Calculator A to Z

Calculators Created by Chandana P Dev

Chandana P Dev
NSS College of Engineering (NSSCE), Palakkad
https://www.linkedin.com/in/chandana-p-dev-7326221b4/
489
Formulas Created
1693
Formulas Verified
410
Across Categories

List of Calculators by Chandana P Dev

Following is a combined list of all the calculators that have been created and verified by Chandana P Dev. Chandana P Dev has created 489 and verified 1693 calculators across 410 different categories till date.
Air Trip Distribution Models (1)
Verified Travel by Air Passengers between Cities i and j
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12 More Air Trip Distribution Models Calculators
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Analysis of Behaviour (4)
Created Strain Difference in Prestressed Tendons given Strain in Concrete at level of Steel
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Created Strain Difference in Tendons at any Loading Stage
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Created Strain in Concrete at Level of Steel
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Created Strain in Prestressed Tendons
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Conventional Airport Forecast Methods (6)
Verified Domestic Passenger Enplanement
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Verified Domestic Passenger Enplanement in Location i
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Verified Percent Market Share for Airport
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Verified Percent Market Share for Region 'j'
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Verified Percent Market Share of State of total US Market
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Verified Total Scheduled Domestic Passenger Enplanement
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Dynamic Viscosity (2)
Verified Dynamic Viscosity for Pressure Reduction over Length of Piston
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Verified Dynamic Viscosity given Velocity of Flow in Oil Tank
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2 More Dynamic Viscosity Calculators
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Group Velocity (8)
Verified Deepwater Celerity
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Verified Deepwater Wavelength
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Verified Group Velocity for Deepwater
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Verified Group Velocity for Shallow Water
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Verified Group Velocity given Deepwater Celerity
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Verified Group velocity of Wave given Wavelength and Wave Period
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Verified Wave Period given Group Velocity for Shallow Water
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Verified Wavelength given Group Velocity of Shallow Water
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Inglis and Dsouza Formula (1929) (2)
Verified Equation for Runoff for Deccan Plateau
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Verified Equation for Runoff for Ghat Regions of Western India
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Integrated Demand Forecast Framework (3)
Verified Average Trip Length given Passenger Enplanements
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Verified Passenger Enplanements
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Verified Revenue Passenger Miles given Passenger Enplanements
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7 More Integrated Demand Forecast Framework Calculators
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Length of Transition Curve (10)
Created Hands-Off Velocity
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Created Length given Angle of Super Elevation
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Created Length of Transition Curve given Shift
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Created Length of Transition Curve given Time Rate
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Created Length when Comfort Condition Holds Good for Highways
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Created Length when Comfort Condition Holds Good for Railways
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Created Rate of Change of Radial Acceleration
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Created Shift of Curve
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Created Time Rate given Length of Transition Curve
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Created Time Taken given Radial Acceleration
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Multi-Airport Region Forecast Framework (4)
Verified Airline Service Weekly Departing Flights from Airport 1
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Verified Airline Service Weekly Departing Flights from Airport 2,3
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Verified Travel Times from Analysis Zone to Airports 1 given Percent of Passengers
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Verified Travel Times from Analysis Zone to Airports 2,3
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Quality Control in Construction (8)
Created Average Non-Conformities in Inspected Unit
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Created Average Proportion Non-Confirming
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Created Coefficient of Variation
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Created Number Non-Confirming in Sample
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Created Number of Defective Units given Reliability Number
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Created Number of Units Tested given Reliability Number
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Created Proportion Non-Confirming in Sample
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Created Reliability Number
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Thermal Expansion of Pipe (3)
Verified Modulus of Elasticity of Pipe Material given Stress due to Temperature Change
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Verified Movement in Length of Pipe
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Verified Stress due to Temperature Change
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4 More Thermal Expansion of Pipe Calculators
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Velocity of Piston (2)
Verified Velocity of Piston for Vertical Upward Force on Piston
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Verified Velocity of Piston given Velocity of Flow in Oil Tank
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2 More Velocity of Piston Calculators
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Absolute Velocity (1)
Verified Absolute Velocity for Mass of Fluid Striking Plate
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3 More Absolute Velocity Calculators
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ACI Code (2)
Verified Modulus of Elasticity of Concrete in SI Units
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Verified Modulus of Elasticity of Concrete in USCS Units
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Adjustment of Design Values for Connections with Fasteners (12)
Created Adjusted Design Value for Lateral Loading for Drift Bolts and Pins
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Created Adjusted Design Value for Lateral Loading for Lag Screws
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Created Adjusted Design Value for Lateral Loading for Metal Plate Connectors
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Created Adjusted Design Value for Lateral Loading for Nails and Spikes
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Created Adjusted Design Value for Lateral Loading for Spike Grids
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Created Adjusted Design Value for Lateral Loading for Wood Screws
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Created Adjusted Design Value for Withdrawal for Drift Bolts and Pins
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Created Adjusted Design Value for Withdrawal for Lag Screws
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Created Adjusted Design Value for Withdrawal for Nails and Spikes
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Created Adjusted Design Value for Withdrawal for Wood Screws
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Verified Adjusted Value for Loading Normal to Grain for Split Ring and Shear Plate Connectors
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Verified Adjusted Value for Loading Parallel to Grain for Split Ring and Shear Plate Connectors
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1 More Adjustment of Design Values for Connections with Fasteners Calculators
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Aerodrome Reference Temperature (2)
Verified Aerodrome Reference Temperature
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Verified Monthly mean of maximum daily temperature for hottest month of year
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1 More Aerodrome Reference Temperature Calculators
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Aircraft Runway Length Estimation (1)
Verified True Aircraft Speed (Mach number)
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10 More Aircraft Runway Length Estimation Calculators
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Allowable Shear (1)
Verified Vertical Stirrup Leg Area when Group of Bars is Bent at Different Distances
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12 More Allowable Shear Calculators
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Allowable Stress Design for Shear in Bridges (1)
Verified Steel Yield Strength using Allowable Shear Stress for Flexural Members in Bridges
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2 More Allowable Stress Design for Shear in Bridges Calculators
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Allowable-Stress Design for Building Beams (9)
Created Allowable Stress for Solid Compression Flange having Area not Less than Tension Flange
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Created Allowable Stress given Simplifying Term between 0.2 and 1
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Created Allowable Stress when Simplifying Term Greater than 1
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Created Maximum Fiber Stress in Bending for Laterally Supported Compact Beams and Girders
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Created Maximum Fiber Stress in Bending for Laterally Supported Noncompact Beams and Girders
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Created Maximum Unsupported Length of Compression Flange-1
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Created Maximum Unsupported Length of Compression Flange-2
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Created Modifier for Moment Gradient
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Created Simplifying Term for Allowable Stress Equations
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Allowable-Stress Design for Building Columns (5)
Created Allowable Compressive Stress when Slenderness Ratio is Greater than Cc
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Created Allowable Compressive Stress when Slenderness Ratio is Less than Cc
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Created Effective Length Factor
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Created Safety Factor for Allowable Compressive Stress
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Created Slenderness Ratio Used for Separation
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1 More Allowable-Stress Design for Building Columns Calculators
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Allowable-Stress Design for Shear in Buildings (2)
Created Allowable Shear Stress with Tension Field Action
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Created Allowable Shear Stress without Tension Field Action
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Analysis of Aquifer-Test Data (4)
Verified Storage Coefficient from Theis Equation of Transmissivity
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Verified Theis equation to determine storage coefficient
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Verified Theis equation to determine transmissivity
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Verified Transmissivity given Storage Coefficient from Theis Equation
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Analysis of Ultimate Strength (4)
Created Area of Prestressing Tendon for Known Tensile Strength of Section
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Created Characteristic Tensile Strength of Prestressing Tendons for Known Tensile Strength of Section
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Created Ultimate Tensile Force in Absence of Non-Prestressed Reinforcement
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Created Ultimate Tensile Strength of Section in Presence of Non-Prestressing Reinforcement
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Approximate Equations (4)
Verified Discharge when drawdown at pumping well is considered
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Verified Drawdown at Pumping Well
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Verified Drawdown when Steady Flow of Unconfined Aquifer
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Verified Transmissivity when Discharge at Drawdown is considered
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Arch Dams (4)
Verified Intrados Stresses on Arch Dam
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Verified Rotation due to Moment on Arch Dam
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Verified Rotation due to Twist on Arch Dam
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Verified Shear Force given Deflection due to Shear on Arch Dam
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5 More Arch Dams Calculators
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At Service Load (3)
Created Strain in Concrete due to Effective Prestress
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Created Strain in Tendons due to Effective Prestress
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Created Stress in Concrete Member with Non-Prestressing Steel at Service Load Having Compressive Axial Load
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At Transfer (3)
Created Area of Concrete for Known Stress in Concrete without Non-Prestressed Reinforcement
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Created Area of Non-Prestressed Reinforcement given Stress in Concrete
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Created Stress in Concrete in Member without Non-Prestressed Reinforcement
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Average Daily Influent Flow Rate (6)
Verified Average Daily Influent Flow Rate given Hydraulic Retention Time
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Verified Average Daily Influent Flow Rate given Net Waste Activated Sludge
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Verified Average Daily Influent Flow Rate given RAS Pumping Rate from Aeration Tank
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Verified Average Daily Influent Flow Rate given Reactor Volume
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Verified Average Daily Influent Flow Rate given Theoretical Oxygen Requirement
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Verified Average Daily Influent Flow Rate using Recirculation Ratio
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Barlow's Formula (1915) (16)
Verified Barlow's Formula for Runoff
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Verified Barlow's Formula for Runoff in Average Catchment with Average or Varying Rainfall
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Verified Barlow's Formula for Runoff in Average Catchment with Continuous Downpour
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Verified Barlow's Formula for Runoff in Average Catchment with Light Rain
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Verified Barlow's Formula for Runoff in Flat Cultivated and Absorbent Soils with Average or Varying Rainfall
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Verified Barlow's Formula for Runoff in Flat Cultivated and Absorbent Soils with Continuous Downpour
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Verified Barlow's Formula for Runoff in Flat Cultivated and Absorbent Soils with Light Rain
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Verified Barlow's Formula for Runoff in Flat Partly Cultivated Stiff Soils with Average or Varying Rainfall
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Verified Barlow's Formula for Runoff in Flat Partly Cultivated Stiff Soils with Continuous Downpour
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Verified Barlow's Formula for Runoff in Flat Partly Cultivated Stiff Soils with Light Rain
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Verified Barlow's Formula for Runoff in Hills and Plains with Little Cultivation and Continuous Downpour
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Verified Barlow's Formula for Runoff in Hills and Plains with Little Cultivation and Light Rainfall
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Verified Formula for Runoff in Hills and Plains with Little Cultivation and Average or Varying Rainfall
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Verified Formula for Runoff in Very Hilly, Steep and Hardly any Cultivation Catchment with Light Rain
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Verified Runoff in Very Hilly, Steep and Hardly any Cultivation Catchment with Average or Varying Rainfall
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Verified Runoff in Very Hilly, Steep and Hardly any Cultivation Catchment with Continuous Downpour
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Basic Equations of Flood Routing (13)
Verified Average Inflow Denoting at Beginning and End of Time Interval
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Verified Average Inflow given Change in Storage
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Verified Average Outflow Denoting Beginning and End of Time Interval
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Verified Average Outflow in Time given Change in Storage
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Verified Change in Storage Denoting Beginning and End of Time Interval
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Verified Inflow at Beginning of Time Interval given Average Inflow
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Verified Inflow at End of Time Interval given Average Inflow
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Verified Outflow at Beginning of Time Interval given Average Inflow
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Verified Outflow at End of Time Interval given Average Inflow
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Verified Outflow Rate given Rate of Change of Storage
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Verified Storage at Beginning of Time Interval
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Verified Storage at End of Time Interval
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Verified Storage at End of Time Interval of Reservoir
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3 More Basic Equations of Flood Routing Calculators
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Basic Relationship of Thermodynamics (1)
Verified Total Energy in Compressible Fluids
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17 More Basic Relationship of Thermodynamics Calculators
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Basic Theory (10)
Verified Actual Infiltration
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Verified Cumulative Infiltration given Total Precipitation
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Verified Direct Surface Runoff given Total Precipitation
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Verified Equation for Potential Maximum Retention
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Verified Initial Abstraction
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Verified Initial Abstraction given Total Precipitation
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Verified Maximum Potential Runoff
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Verified Precipitation given Maximum Potential Runoff
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Verified Precipitation given Potential Maximum Retention
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Verified Water Balance Equation for Rainfall
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1 More Basic Theory Calculators
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Bay Superelevation (2)
Verified Depth given Water Surface Slope
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Verified Superelevation
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2 More Bay Superelevation Calculators
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Beams (7)
Verified Beam Width given Extreme Fiber Stress for Rectangular Timber Beam
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Verified Bending Moment using Extreme Fiber Stress for Rectangular Timber Beam
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Verified Extreme Fiber Stress for Rectangular Timber Beam given Section Modulus
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Verified Extreme Fiber Stress in Bending for Rectangular Timber Beam
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Verified Horizontal Shearing Stress in Rectangular Timber Beam
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Verified Section Modulus given Height and Breadth of Section
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Verified Total Shear given Horizontal Shearing Stress
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6 More Beams Calculators
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Beams (13)
Created Beam Buckling Factor 1
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Created Beam Buckling Factor 2
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Created Critical Elastic Moment
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Created Critical Elastic Moment for Box Sections and Solid Bars
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Created Limiting Buckling Moment
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Created Limiting Laterally Unbraced Length for Full Plastic Bending Capacity for I and Channel Sections
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Created Limiting Laterally Unbraced Length for Full Plastic Bending Capacity for Solid Bar and Box Beams
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Created Limiting Laterally Unbraced Length for Inelastic Lateral Buckling
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Created Limiting Laterally Unbraced Length for Inelastic Lateral Buckling for Box Beams
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Created Maximum Laterally Unbraced Length for Plastic Analysis
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Created Maximum Laterally Unbraced Length for Plastic Analysis in Solid Bars and Box Beams
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Created Plastic Moment
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Created Specified Minimum Yield Stress for Web given Limiting Laterally Unbraced Length
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Bearing on Milled Surfaces (3)
Created Allowable Bearing Stress for Milled Surface Including Bearing Stiffeners
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Created Allowable Bearing Stress for Rollers and Rockers
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Created Diameter of Roller or Rocker given Allowable Bearing Stress
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Bearing on Milled Surfaces and Bridge Fasteners (4)
Verified Allowable Stress for Expansion Rollers and Rockers where Diameter is from 635 mm to 3175 mm
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Verified Allowable Stress for Expansion Rollers and Rockers where Diameter is up to 635 mm
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Verified Diameter of Roller or Rocker for d from 635 to 3125mm
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Verified Diameter of Roller or Rocker for d up to 635 mm
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4 More Bearing on Milled Surfaces and Bridge Fasteners Calculators
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Bearing Plates (12)
Created Actual Bearing Pressure under Plate
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Created Allowable Bearing Stress on Concrete when Full Area is used for Support
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Created Allowable Bearing Stress on Concrete when Less than Full Area Used for Support
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Created Allowable Bending Stress given Plate Thickness
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Created Beam Reaction given Actual Bearing Pressure
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Created Beam Reaction given Area Required by Bearing Plate
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Created Bearing Plate Area for Full Concrete Area Support
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Created Bearing Plate Area for Less than Full Concrete Area
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Created Minimum Bearing Length of Plate using Actual Bearing Pressure
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Created Minimum Width of Plate given Plate Thickness
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Created Minimum Width of Plate using Actual Bearing Pressure
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Created Plate Thickness
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Bending and Axial Compression (3)
Created Maximum Bending Stress for Load Applied to Narrow Member Face
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Created Maximum Compressive Stress for Biaxial Bending
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Created Maximum Compressive Stress for Uniaxial Bending
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Bending Stresses (1)
Verified Section Modulus of Transformed Composite Section given Stress in Steel for Unshored Members
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9 More Bending Stresses Calculators
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BOD Loading (4)
Verified BOD Loading for First Stage Filter
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Verified BOD Loading for First Stage Filter using BOD Loading for Second Filter Stage
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Verified BOD Loading for Second Stage Filter
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Verified BOD Loading to Second Filter Stage given Efficiency of Second Filter Stage
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Braking Distance (12)
Verified Assumed Brake Application Speed given Distance for Deceleration in Normal Braking Mode
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Verified Deceleration Rate when Distance for Deceleration in Normal Braking Mode
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Verified Deceleration Rate when Distance for Deceleration in Normal Braking Mode is considered
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Verified Distance for Transition from Main gear Touchdown to create Stabilized Braking Configuration
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Verified Distance required for Deceleration in normal Braking mode
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Verified Distance required for Deceleration in Normal Braking Mode to Nominal Takeoff Speed
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Verified Distance required for Transition from Maingear Touchdown to create Stabilized Braking Configuration
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Verified Nominal Turn-Off Speed given Distance for Deceleration in Normal Braking Mode
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Verified Nominal Turn-off Speed given Distance required for Deceleration in normal Braking mode
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Verified Threshold Speed given Distance for Deceleration in Normal Braking Mode
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Verified Threshold Speed given Distance required for Transition from Maingear Touchdown
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Verified Vehicle Speed given Distance required for Transition from Maingear Touchdown
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Breaker Index (12)
Verified Breaker Depth Index
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Verified Breaker Height Index
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Verified Deepwater Wave Height given Breaker Height Index
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Verified Deepwater Wavelength given Breaker Height Index from Linear Wave Theory
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Verified Equivalent Unrefracted Deepwater Wave Height given Breaker Height Index from Linear Wave Theory
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Verified Local Depth given Root Mean Square Wave Height
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Verified Local Depth given Zero Moment Wave Height
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Verified Semi-Empirical Relationship for Breaker Height Index from Linear Wave Theory
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Verified Water Depth at Breaking given Breaker Depth Index
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Verified Wave Height at Incipient Breaking given Breaker Depth Index
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Verified Wave Height at Incipient Breaking given Breaker Height Index
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Verified Zero-Moment Wave Height at Breaking
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4 More Breaker Index Calculators
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Buttress Dams using law of Trapezoid (1)
Verified Total Vertical Load for Maximum Intensity in horizontal plane on Buttress Dam
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10 More Buttress Dams using law of Trapezoid Calculators
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Cable Systems (1)
Verified Fundamental Vibration Mode given Natural Frequency of Each Cable
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3 More Cable Systems Calculators
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Calculation of Crack Width (7)
Verified Average Strain at Selected Level given Crack Width
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Verified Center to Center Spacing given Shortest Distance
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Verified Crack Width on Surface of Section
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Verified Depth of Neutral Axis given Crack Width
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Verified Diameter of Longitudinal Bar given Shortest Distance
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Verified Effective Cover given Shortest Distance
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Verified Minimum Clear Cover given Crack Width
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Catenary (2)
Verified Catenary Length given Tension at any Point of Simple Cable with UDL
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Verified Horizontal Component given Tension at any Point of Simple Cable with UDL
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2 More Catenary Calculators
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Catenary Cable Sag and Distance between Supports (3)
Verified Catenary Parameter for UDL on Catenary Parabolic Cable
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Verified Maximum Sag given Catenary Parameter for UDL on Catenary Parabolic Cable
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Verified UDL given Catenary Parameter for UDL on Catenary Parabolic Cable
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3 More Catenary Cable Sag and Distance between Supports Calculators
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Centrifugal Ratio (6)
Created Centrifugal Force Acting on Vehicle
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Created Centrifugal Ratio
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Created Design Speed of Highway
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Created Design Speed of Railway
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Created Radius of Curve given Centrifugal Force
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Created Speed of Vehicle given Centrifugal Force
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Channel Erosion (1)
Verified Soil Erodibility Factor given Suspended Sediment Load
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2 More Channel Erosion Calculators
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Check for Stress in Beams (4)
Verified Distance from Neutral Axis to Face of Concrete
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Verified Moment of Inertia of Transformed Beam Section
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Verified Total Bending Moment given Unit Stress in Extreme Fiber of Concrete
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Verified Unit Stress in Extreme Fiber of Concrete
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5 More Check for Stress in Beams Calculators
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Circular Section (4)
Verified Diameter of Section given Depth of Flow in most Efficient channel for Maximum Velocity
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Verified Diameter of Section when Hydraulic Radius is at 0.9D
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Verified Radius of Section given Depth of Flows in most Efficient Channel
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Verified Side Slope of Channel Bed given Discharge through Channels
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15 More Circular Section Calculators
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Circular Tapering Rod (4)
Verified Diameter of Circular Tapered Rod with Uniform Cross Section
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Verified Load at End with known Extension of Circular Tapering Rod
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Verified Modulus of Elasticity of Circular Tapering Rod with Uniform Cross Section Section
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Verified Modulus of Elasticity using Elongation of Circular Tapering Rod
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6 More Circular Tapering Rod Calculators
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Circulation and Vorticity (1)
Verified Circulation using Vorticity
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2 More Circulation and Vorticity Calculators
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Clark's Method for IUH (4)
Verified Inflow at Beginning of Time Interval for Routing of Time-Area Histogram
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Verified Outflow at Beginning of Time Interval for Routing of Time-Area Histogram
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Verified Outflow at End of Time Interval for Routing of Time-Area Histogram
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Verified Time Interval at Inter-Isochrone Area given Inflow
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2 More Clark's Method for IUH Calculators
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Cnoidal Wave Theory (7)
Verified Elevation above Bottom given Pressure under Cnoidal Wave in Hydrostatic Form
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Verified Ordinate of Water Surface given Pressure under Cnoidal Wave in Hydrostatic Form
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Verified Particle Velocities given Free Surface Elevation of Solitary Waves
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Verified Pressure under Cnoidal Wave in Hydrostatic Form
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Verified Wave Height given Distance from Bottom to Wave Trough and Water Depth
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Verified Wave Height Required to Produce Difference in Pressure on Seabed
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Verified Wavelength for Distance from Bottom to Wave Trough
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7 More Cnoidal Wave Theory Calculators
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Coaxial Cylinder Viscometers (6)
Verified Clearance given Torque exerted on Outer Cylinder
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Verified Dynamic Viscosity given Torque exerted on Outer Cylinder
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Verified Height of Cylinder given Torque exerted on Inner Cylinder
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Verified Radius of Outer Cylinder given Velocity Gradient
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Verified Torque exerted on Inner Cylinder given Dynamic Viscosity of Fluid
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Verified Velocity Gradients
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14 More Coaxial Cylinder Viscometers Calculators
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Coefficient of Permeability (21)
Verified Coefficient of permeability at any temperature t for standard value of coefficient of permeability
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Verified Coefficient of permeability at temperature of permeameter experiment
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Verified Coefficient of permeability from analogy of laminar flow (Hagen Poiseuille flow)
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Verified Coefficient of Permeability when Specific or Intrinsic Permeability is Considered
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Verified Coefficient of Permeability when Transmissibility is Considered
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Verified Cross sectional area when coefficient of permeability at permeameter experiment is considered
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Verified Discharge when Coefficient of Permeability at Permeameter Experiment is Considered
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Verified Dynamic viscosity of fluid of laminar flow through conduit or Hagen Poiseuille flow
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Verified Dynamic Viscosity when Specific or Intrinsic Permeability is Considered
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Verified Equation for Specific or Intrinsic Permeability
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Verified Equivalent permeability when transmissivity of aquifer is considered
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Verified Hagen Poiseuille flow or mean particle size of porous medium laminar flow through conduit
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Verified Kinematic Viscosity and Dynamic Viscosity Relation
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Verified Kinematic Viscosity at 20 degree Celsius for standard value of coefficient of permeability
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Verified Kinematic Viscosity for standard value of coefficient of permeability
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Verified Kinematic Viscosity when Specific or Intrinsic Permeability is Considered
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Verified Length when Coefficient of Permeability at Permeameter Experiment is Considered
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Verified Specific or Intrinsic Permeability when Coefficient of Permeability is Considered
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Verified Specific or Intrinsic Permeability when Dynamic Viscosity is Considered
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Verified Standard value of coefficient of permeability
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Verified Unit weight of fluid
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Cold Formed or Light Weighted Steel Structures (15)
Created Allowable Design Strength
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Created Compressive Stress when Basic Design Stress restricted to 20000 psi
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Created Compressive Stress when Flat Width Ratio is between 10 and 25
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Created Depth of Stiffener Lip
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Created Elastic Local Buckling Stress
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Created Flat Width Ratio for Deflection Determination
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Created Flat Width Ratio for Safe Load Determination
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Created Flat Width Ratio given Depth of Stiffener Lip
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Created Flat Width Ratio given Plate Slenderness Factor
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Created Flat Width Ratio of Stiffened Element using Elastic Local Buckling Stress
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Created Flat Width Ratio of Stiffened Element using Moment of Inertia
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Created Minimum Allowable Moment of Inertia
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Created Nominal Strength using Allowable Design Strength
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Created Plate Slenderness Factor
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Created Reduction Factor for Cold Form Strength Determination
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Column Base Plates (8)
Created Area Required by Base Plate
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Created Bearing Pressure given Plate Thickness
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Created Column Depth using Plate Length
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Created Column Flange Width given Plate Length
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Created Column Load for given Base Plate Area
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Created Plate Length
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Created Thickness of Plate
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Created Thickness of Plate for H shaped Column
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Column Moments (1)
Verified Eccentricity of Shear
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3 More Column Moments Calculators
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Columns (4)
Created Critical Buckling Stress when Slenderness Parameter is greater than 2.25
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Created Critical Buckling Stress when Slenderness Parameter is Less than 2.25
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Created Maximum Load on Axially Loaded Members
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Created Slenderness Parameter
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Columns (1)
Verified Relative Price Factors using Relative Material Cost Ratio and Column Buckling Stress
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3 More Columns Calculators
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Combined Axial and Bending Loads (2)
Verified Distance from Extreme Fiber given Moment of Resistance and Moment of Inertia along with Stress
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Verified Moment of Resistance given Young's Modulus, Moment of Inertia and Radius
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17 More Combined Axial and Bending Loads Calculators
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Combined Bending and Torsion Condition (2)
Verified Torsional Moment when Member is subjected to both Bending and Torsion
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Verified Torsional Stress given Combined Bending and Torsional Stress
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4 More Combined Bending and Torsion Condition Calculators
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Combined Stresses (2)
Created Creep Coefficient given Creep Strain
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Created Elastic Strain given Creep Strain
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Compass Surveying (10)
Created Fore Bearing in Whole Circle Bearing System
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Created Included Angle from Two Lines
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Created Included Angle when Bearings are Measured in Opposite Side of Common Meridian
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Created Included Angle when Bearings are Measured in Same Side of Different Meridian
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Created Magnetic Bearing given True Bearing with East Declination
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Created Magnetic Bearing given True Bearing with West Declination
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Created Magnetic Declination to East
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Created Magnetic Declination to West
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Created True Bearing if Declination is in East
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Created True Bearing if Declination is in West
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Complementary Induced Stress (1)
Verified Angle of Oblique Plane using Shear Stress when Complementary Shear Stresses Induced
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5 More Complementary Induced Stress Calculators
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Components of a Hydrograph (12)
Verified Discharge at Initial Time
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Verified Discharge at Initial Time in Alternative Form of Exponential Decay
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Verified Discharge concerning Recession Constant
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Verified Discharge given Storage
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Verified Discharge in Alternative Form of Exponential Decay
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Verified Drainage Area given Time Interval from Peak in Straight-Line Method of Baseflow Separation
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Verified Recession Constant
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Verified Recession Constant for Base Flow
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Verified Recession Constant for Interflow
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Verified Recession Constant for Surface Storage
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Verified Storage Remaining at any Time t
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Verified Time Interval from Peak in Straight-Line method of Baseflow Separation
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Compressibility of Aquifers (1)
Verified Discharge per Unit Width of Aquifer
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3 More Compressibility of Aquifers Calculators
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Compression (3)
Verified 28-Day Concrete Compressive Strength
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Verified 28-Day Concrete Compressive Strength given Water Cement Ratio
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Verified Water Cement Ratio given 28-Day Concrete Compressive Strength
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16 More Compression Calculators
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Computation of Uniform Flow (5)
Verified Bed Slope of Channel Section given Discharge
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Verified Conveyance given Discharge
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Verified Discharge given Conveyance
Go
Verified Manning's Formula for Conveyance given Discharge
Go
Verified Manning's Formula for Discharge given Conveyance
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14 More Computation of Uniform Flow Calculators
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Concentration of Solids (3)
Verified Concentration of Sludge in Return Line given RAS Pumping Rate from Aeration Tank
Go
Verified Concentration of Sludge in Return Line given Wasting Rate from Return Line
Go
Verified Concentration of Solids in Effluent given Wasting Rate from Return Line
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Confidence Limits (6)
Verified Confidence Interval of Variate
Go
Verified Equation for Confidence Interval of Variate
Go
Verified Equation for Variate 'b' using Frequency Factor
Go
Verified Probable Error
Go
Verified Sample Size when Probable Error is Considered
Go
Verified Variate 'b' given Probable Error
Go
2 More Confidence Limits Calculators
Go
Confined Groundwater Flow between Water Bodies (7)
Verified Aquifer thickness when discharge is considered
Go
Verified Coefficient of Permeability when discharge is considered
Go
Verified Discharge per unit width of aquifers
Go
Verified Equation of Hydraulic Grade Line in Confined Groundwater Flow
Go
Verified Length when Discharge per Unit Width of Aquifer is Considered
Go
Verified Rate of movement through aquifer and confining bed
Go
Verified Velocity Equation of Hydraulics
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Constant Thickness on Arch Dam (2)
Verified Constant K1 given Rotation due to Moment on Arch Dam
Go
Verified Constant K5 given Deflection due to Moments on Arch Dam
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4 More Constant Thickness on Arch Dam Calculators
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Construction Safety Management (8)
Created Injury Frequency Rate
Go
Created Injury Frequency Rate given Injury Index
Go
Created Injury Index
Go
Created Injury Severity Rate
Go
Created Number of Days Lost given Severity Rate
Go
Created Number of Disabling Injuries given Frequency Rate
Go
Created Number of Man-Hour Worked given Frequency Rate
Go
Created Severity Rate given Injury Index
Go
Controlling Sewer-Water Flow (7)
Verified Area for Siphon Throat
Go
Verified Coefficient of Discharge given Area for Siphon Throat
Go
Verified Depth of Flow over Weir given Flow Diversion
Go
Verified Discharge given Area for Siphon Throat
Go
Verified Flow Diversion for Side Weir
Go
Verified Head given Area for Siphon Throat
Go
Verified Length of Weir given Flow Diversion
Go
Correction for Tension and Sag to Measured Length (2)
Verified Sag Correction of Unsupported Tape
Go
Verified Tape Weight given Sag Correction of Unsupported Tape
Go
3 More Correction for Tension and Sag to Measured Length Calculators
Go
Critical Flow and its Computation (2)
Verified Critical Depth for Rectangular Channel
Go
Verified Discharge per unit Width given Critical Depth for Rectangular Channel
Go
14 More Critical Flow and its Computation Calculators
Go
Critical Path Method (4)
Created Free Float used in CPM
Go
Created Independent Float used in CPM
Go
Created Interfering Float
Go
Created Total Float in CPM
Go
6 More Critical Path Method Calculators
Go
Cross Sectional Area (1)
Verified Cross Section Area for Mass of Fluid Striking Plate
Go
3 More Cross Sectional Area Calculators
Go
Culverts on Subcritical Slopes (4)
Verified Entrance Loss Coefficient using formula for Head on Entrance measured from Bottom of Culvert
Go
Verified Manning's Formula for Hydraulic Radius given Velocity of Flow in Culverts
Go
Verified Normal Depth of Flow given Head on Entrance measured from Bottom of Culvert
Go
Verified Velocity of Flow given Head on Entrance measured from Bottom of Culvert
Go
7 More Culverts on Subcritical Slopes Calculators
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Curve Number (CN) (2)
Verified Curve Number for Antecedent Moisture Condition-III
Go
Verified Potential Maximum Retention given Curve Number
Go
3 More Curve Number (CN) Calculators
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Cylindrical Vessel Containing Liquid Rotating with its Axis Horizontal. (3)
Verified Pressure Intensity when Radial Distance is Zero
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Verified Specific Weight of Liquid given Total Pressure Force on each end of Cylinder
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Verified Total Pressure Force on Each End of Cylinder
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2 More Cylindrical Vessel Containing Liquid Rotating with its Axis Horizontal. Calculators
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Dams on Soft or Porous Foundations by Darcy’s law (6)
Verified Length of Conduit after using Area of Pipe in Discharge
Go
Verified Number of Beds given discharge for Dams on Soft Foundations
Go
Verified Saturation for Total Pressure per unit Area for Dams on Soft Foundations
Go
Verified Specific Gravity of Water given Neutral stress per unit area for Dams on Soft Foundations
Go
Verified Velocity given Length of Conduit after using Area of Pipe in Discharge
Go
Verified Void Ratio given Total Pressure per unit Area for Dams on Soft Foundations
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12 More Dams on Soft or Porous Foundations by Darcy’s law Calculators
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Darcy – Weisbach Equation (6)
Verified Density of Fluid given Friction Factor
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Verified Diameter of Pipe given Friction Factor
Go
Verified Diameter of Pipe given Head Loss due to Frictional Resistance
Go
Verified Dynamic Viscosity given Friction Factor
Go
Verified Head Loss due to Frictional Resistance
Go
Verified Total Required Power
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8 More Darcy – Weisbach Equation Calculators
Go
Darcy's Law (5)
Verified Apparent Velocity and Bulk Pore Velocity Relationship
Go
Verified Apparent Velocity of Seepage given Reynolds Number of Value Unity
Go
Verified Bulk Pore Velocity
Go
Verified Kinematic Viscosity of Water given Reynolds Number of Value Unity
Go
Verified Representative Particle Size given Reynolds Number of Value Unity
Go
6 More Darcy's Law Calculators
Go
Dash-Pot Mechanism (4)
Verified Pressure Gradient given Rate of Flow
Go
Verified Pressure Gradient given Velocity of Flow in Oil Tank
Go
Verified Velocity of Flow in Oil Tank
Go
Verified Vertical Upward Force on Piston given Piston Velocity
Go
8 More Dash-Pot Mechanism Calculators
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Deflection due to Prestressing Force (14)
Verified Deflection due to Prestressing for Parabolic Tendon
Go
Verified Deflection due to Prestressing for Singly Harped Tendon
Go
Verified Deflection due to Prestressing given Doubly Harped Tendon
Go
Verified Flexural Rigidity given Deflection due to Prestressing for Doubly Harped Tendon
Go
Verified Flexural Rigidity given Deflection due to Prestressing for Parabolic Tendon
Go
Verified Flexural Rigidity given Deflection due to Prestressing for Singly Harped Tendon
Go
Verified Length of Span given Deflection due to Prestressing for Singly Harped Tendon
Go
Verified Moment of Inertia for Deflection due to Prestressing for Parabolic Tendon
Go
Verified Moment of Inertia for Deflection due to Prestressing of Singly Harped Tendon
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Verified Uplift Thrust given Deflection due to Prestressing for Doubly Harped Tendon
Go
Verified Uplift Thrust given Deflection due to Prestressing for Singly Harped Tendon
Go
Verified Uplift Thrust when Deflection due to Prestressing for Parabolic Tendon
Go
Verified Young's Modulus given Deflection due to Prestressing for Parabolic Tendon
Go
Verified Young's Modulus given Deflection due to Prestressing for Singly Harped Tendon
Go
4 More Deflection due to Prestressing Force Calculators
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Deflection on Arch Dams (2)
Verified Deflection due to Shear on Arch Dam
Go
Verified Deflection due to Thrust on Arch Dam
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1 More Deflection on Arch Dams Calculators
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Density Currents in Harbors (1)
Verified Water Depth given Velocity in Dry Bed Curve
Go
22 More Density Currents in Harbors Calculators
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Density of Sediment Deposits (7)
Verified Average Unit Weight of Sediment Deposit during Period of T Years
Go
Verified Equation for Weighted Value of Sand, Silt and Clay
Go
Verified Initial Unit Weight given Average Unit Weight of Deposit
Go
Verified Percentage of Clay given Unit Weight of Deposit
Go
Verified Percentage of Sand given Unit Weight of Deposit
Go
Verified Percentage of Silt for Unit Weight of Deposits
Go
Verified Weighted Value given Average Unit Weight of Deposit
Go
1 More Density of Sediment Deposits Calculators
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Description of the Flow Pattern (2)
Verified Component of Velocity in X Direction using Slope of Streamline
Go
Verified Component of Velocity in Y Direction given Slope of Streamline
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1 More Description of the Flow Pattern Calculators
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Design of a complete mix activated sludge reactor (2)
Verified Recirculation Ratio
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Verified Sludge Concentration using Wasting Rate from Return Line when Solid Concentration in Effluent is Low
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Design of Fillets (12)
Verified Aircraft Datum Length given Length of each Wedge-shaped End of Fillet
Go
Verified Distance along Straight Taxiway Center line given Length of each End of Fillet
Go
Verified Length of each Wedge-Shaped end of Fillet
Go
Verified Maximum Deviation permissible without Filleting
Go
Verified Maximum value of Deviation of main Undercarriage given Radius of Fillet
Go
Verified Minimum Safety Margin given Maximum Deviation permissible without Filleting
Go
Verified Minimum Safety Margin given Radius of Fillet
Go
Verified Radius of Fillet
Go
Verified Radius of Taxiway Centerline given Radius of Fillet
Go
Verified Taxiway Width given Maximum Deviation permissible without Filleting
Go
Verified Track of Main Undercarriage given Maximum Deviation permissible without Filleting
Go
Verified Track of main Undercarriage given Radius of Fillet
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Design of Stiffeners under Loads (2)
Verified Cross sectional area of Column Web Stiffeners
Go
Verified Stiffener Yield Stress given Cross Sectional Area of Column Web Stiffeners
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10 More Design of Stiffeners under Loads Calculators
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Design of Two Way Slab System (2)
Verified Concrete Shear Strength at Critical Sections
Go
Verified Maximum Slab thickness
Go
1 More Design of Two Way Slab System Calculators
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Determination of Evapotranspiration (5)
Verified Consumptive Use of Water for Large Areas
Go
Verified Equation for Constant depending upon Latitude in Net Radiation of Evaporable Water Equation
Go
Verified Equation for Parameter Including Wind Velocity and Saturation Deficit
Go
Verified Transpiration ratio
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Verified Water Consumed by Transpiration
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Determination of n and S of Nash's Model (6)
Verified First Moment of DRH about Time Origin divided by Total Direct Runoff
Go
Verified First Moment of ERH about Time Origin divided by Total Effective Rainfall
Go
Verified First Moment of ERH given Second Moment of DRH
Go
Verified First Moment of Instantaneous Unit Hydrograph or IUH
Go
Verified Second Moment of DRH about Time Origin divided by Total Direct Runoff
Go
Verified Second Moment of ERH about Time Origin divided by Total Excess Rainfall
Go
1 More Determination of n and S of Nash's Model Calculators
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Determining storm water flow (3)
Verified Average Rainfall Rate given Storm water
Go
Verified Coefficient of Runoff given Stormwater
Go
Verified Drainage Area given Stormwater
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1 More Determining storm water flow Calculators
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Development Length Requirements (4)
Verified Bar Steel Yield Strength given Basic Development Length
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Verified Basic Development Length for 14mm Diameter Bars
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Verified Basic Development Length for 18mm Diameter Bars
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Verified Basic Development Length for Bars and Wire in Tension
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3 More Development Length Requirements Calculators
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Dicken's Formula (1865) (1)
Verified Catchment area when maximum flood discharge is considered in Dickens formula
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5 More Dicken's Formula (1865) Calculators
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Discharge (2)
Verified Discharge considering Approach Velocity
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Verified Discharge over Weir without considering Velocity
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5 More Discharge Calculators
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Disposing of storm water (4)
Verified Area of Opening given Inlet Capacity for Flow Depth more than 1ft 5in
Go
Verified Depth of Flow at Inlet given Inlet Capacity for Flow Depth up to 4.8in
Go
Verified Depth of Flow given Inlet Capacity for Flow Depth more than 1ft 5in
Go
Verified Inlet Capacity for Flow Depth more than 1ft 5in
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6 More Disposing of storm water Calculators
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Distance-Drawdown Analysis (10)
Verified Drawdown across one log cycle from distance drawdown graphs given transmissivity
Go
Verified Drawdown across One Log Cycle given Transmissivity for Inconsistent Units
Go
Verified Pumping rate from distance drawdown graphs
Go
Verified Pumping Rate given Transmissivity for Inconsistent Units from Distance-Drawdown Graphs
Go
Verified Storage coefficient for inconsistent units from distance drawdown graphs
Go
Verified Storage coefficient from distance drawdown graphs
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Verified Time at which drawdowns are measured for storage coefficient
Go
Verified Transmissivity for inconsistent units from distance drawdown graphs
Go
Verified Transmissivity from distance drawdown graphs
Go
Verified Transmissivity given storage coefficient from distance drawdown
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Doubly Reinforced Rectangular Sections (1)
Verified Cross-Sectional Area of Compressive Reinforcing
Go
2 More Doubly Reinforced Rectangular Sections Calculators
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Doubly Reinforced Rectangular Sections (2)
Created Bending Moment Capacity of Rectangular Beam
Go
Created Depth of Equivalent Rectangular Compressive Stress Distribution
Go
Doubly Reinforced Rectangular Sections (9)
Created Force Acting on Compressive Steel
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Created Force Acting on Tensile Steel
Go
Verified Moment Resistance in Compression
Go
Created Moment Resistance of Tensile Steel given Area
Go
Verified Moment Resisting Capacity of Compressive Steel given Stress
Go
Verified Stress in Extreme Compression Surface given Moment Resistance
Go
Created Stress in Tensile Steel to Stress in Extreme Compression Surface Ratio
Go
Created Total Compression on Concrete
Go
Created Total Compressive force on Beam Cross Section
Go
Drill String Buckling (5)
Verified Cross Section Area of Column for Critical Buckling Load
Go
Verified Flow Velocity given Reynolds Number in Shorter Length of Pipe
Go
Verified Kinematic Viscosity of Fluid given Reynolds Number in Shorter Length of Pipe
Go
Verified Pipe Diameter given Reynolds Number in Shorter Length of Pipe
Go
Verified Reynolds Number in Shorter Length of Pipe
Go
2 More Drill String Buckling Calculators
Go
Dynamics of Ocean Currents (7)
Verified Angular Velocity given Pressure Gradient Normal to Current
Go
Verified Coriolis Acceleration
Go
Verified Current Velocity given Coriolis Acceleration
Go
Verified Current Velocity given Pressure Gradient Normal to Current
Go
Verified Latitude given Coriolis Acceleration
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Verified Latitude given Pressure Gradient Normal to Current
Go
Verified Pressure Gradient Normal to Current
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Eckman Wind Drift (10)
Verified Angle between Wind and Current Direction
Go
Verified Depth given Angle between Wind and Current Direction
Go
Verified Depth given Volume Flow rate per unit of Ocean Width
Go
Verified Depth of Frictional Influence by Eckman
Go
Verified Latitude given Depth of Frictional Influence by Eckman
Go
Verified Velocity at Surface given Velocity Component along Horizontal x Axis
Go
Verified Velocity Component along Horizontal x Axis
Go
Verified Vertical Coordinate from Ocean Surface given Angle between Wind and Current Direction
Go
Verified Vertical Eddy Viscosity Coefficient given Depth of Frictional Influence by Eckman
Go
Verified Volume Flow Rates per unit of Ocean Width
Go
5 More Eckman Wind Drift Calculators
Go
Economical Structural Steel (7)
Verified Cross-Sectional Area1 given Material Cost Ratio
Go
Verified Cross-Sectional Area2 given Material Cost Ratio
Go
Verified Material Cost Ratio
Go
Verified Material Price p1 given Material Cost Ratio
Go
Verified Material Price p2 given Material Cost Ratio
Go
Verified Yield Stress of Steel1 using Relative Material Cost Ratio
Go
Verified Yield Stress of Steel2 using Relative Material Cost Ratio
Go
15 More Economical Structural Steel Calculators
Go
Economics of Project Management (9)
Created Contribution per Unit
Go
Created Fixed Cost
Go
Created Profit for Total Expenses
Go
Created Selling Price
Go
Created Total Cost
Go
Created Total Cost given Profit
Go
Created Total Revenue
Go
Created Total Variable Cost
Go
Created Volume of Output
Go
Eddy Loss (5)
Verified Eddy Loss for Abrupt Contraction Channel Transition
Go
Verified Eddy Loss for Abrupt Expansion Channel Transition
Go
Verified Eddy Loss for Gradual Contraction Channel Transition
Go
Verified Eddy Loss for Gradual Expansion Channel Transition
Go
Verified Eddy Loss for Non-uniform Flow
Go
EDM Corrections (11)
Created Barometric Pressure given Group Refractive Index
Go
Created Corrected Slope Distance for Refractive Index
Go
Created Essen and Froome Formula for Group Refractive Index
Go
Created Group Refractive Index at Standard Conditions
Go
Created Group Refractive Index if Temperature and Humidity are different from Standard Values
Go
Created IUCG Formula for Refractive Index
Go
Created Overall Standard Error
Go
Created Partial Pressure of Water Vapour when Temperature Effects are Considered
Go
Created Temperature Difference given Partial Pressure
Go
Created Wave Velocity in Medium
Go
Created Wave Velocity in Vacuum
Go
EDM Lines (4)
Created Reduced Distance
Go
Created Spheroidal Distance
Go
Created Spheroidal Distance for Geodimeters
Go
Created Spheroidal Distance for Tellurometers
Go
Effect of Freshwater Inflow (5)
Verified King's Dimensionless Variable
Go
Verified Ocean Tide Amplitude using King's Dimensionless Variable
Go
Verified River or Freshwater Inflow to Bay using King's Dimensionless Variable
Go
Verified Surface Area of Bay or Basin using King's Dimensionless Variable
Go
Verified Tidal Period using King's Dimensionless Variable
Go
Efficiency of Filter (7)
Verified Efficiency of First Filter given BOD Loading for Second Filter
Go
Verified Efficiency of First Filter Stage
Go
Verified Efficiency of First Filter Stage given Overall Efficiency
Go
Verified Efficiency of First Filter Stage using Efficiency of Second Filter Stage
Go
Verified Efficiency of Second Filter Stage
Go
Verified Efficiency of Second Filter Stage given Overall Efficiency
Go
Verified Overall Efficiency of Two Stage Trickling Filter
Go
Efficiency of Turbine (1)
Verified Efficiency of turbine and generator given Power obtained from water flow in Kilowatt
Go
3 More Efficiency of Turbine Calculators
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Effluent Substrate Concentration (4)
Verified Effluent Flow Rate given Wasting Rate from Return Line
Go
Verified Effluent Substrate Concentration given Net Waste Activated Sludge
Go
Verified Effluent Substrate Concentration given Theoretical Oxygen Requirement
Go
Verified Effluent Substrate Concentration given Volume of Reactor
Go
Elastic Modulus of Rock (2)
Verified Elastic Modulus of Rock given Rotation due to Shear on Arch Dam
Go
Verified Elastic Modulus of Rock given Rotation due to Twist on Arch Dam
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4 More Elastic Modulus of Rock Calculators
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Elongation due to Self weight (6)
Verified Elongation due to Self Weight in Prismatic Bar
Go
Verified Elongation due to Self Weight in Prismatic Bar using Applied Load
Go
Verified Elongation of Truncated Conical Rod due to Self Weight
Go
Verified Length of Bar using Elongation due to Self Weight in Prismatic bar
Go
Verified Length of Bar using its Uniform Strength
Go
Verified Modulus of Elasticity of Rod using Extension of Truncated Conical Rod due to Self Weight
Go
5 More Elongation due to Self weight Calculators
Go
Elongation of Tapering Bar due to Self Weight (4)
Verified Elongation of Conical Bar due to Self Weight with known Cross-sectional area
Go
Verified Load on Prismatic Bar with known Elongation due to Self Weight
Go
Verified Modulus of Elasticity of Prismatic Bar with known Elongation due to Self Weight
Go
Verified Self Weight of Prismatic Bar with known Elongation
Go
9 More Elongation of Tapering Bar due to Self Weight Calculators
Go
Endogenous Decay Coefficient (2)
Verified Endogenous Decay Coefficient given Observed Cell Yield
Go
Verified Endogenous Decay Constant given Volume of Reactor
Go
Energy Flux Method (1)
Verified Stable Wave Height
Go
12 More Energy Flux Method Calculators
Go
Entrance and Exit Submerged (4)
Verified Entrance Loss Coefficient given Velocity of Flow Fields
Go
Verified Head Loss in Flow
Go
Verified Hydraulic Radius of Culvert given Velocity of Flow Fields
Go
Verified Velocity of Flow Fields
Go
1 More Entrance and Exit Submerged Calculators
Go
Equilibrium of Compressible Fluid Atmospheric Equilibrium (1)
Verified Temperature Lapse Rate
Go
7 More Equilibrium of Compressible Fluid Atmospheric Equilibrium Calculators
Go
Estimating Marine and Coastal Winds (10)
Verified Coefficient of Drag for Winds Influenced by Stability Effects
Go
Verified Coefficient of Drag for Winds Influenced by Stability Effects given Von Karman Constant
Go
Verified Friction Velocity given Height of Boundary Layer in Non-Equatorial Regions
Go
Verified Friction Velocity of Wind in Neutral Stratification as Function of Geostrophic Wind Speed
Go
Verified Geostrophic Wind Speed
Go
Verified Geostrophic Wind Speed given Friction Velocity in Neutral Stratification
Go
Verified Gradient of Atmospheric Pressure Orthogonal to Isobars
Go
Verified Gradient of Atmospheric Pressure Orthogonal to Isobars given Gradient Wind Speed
Go
Verified Height of Boundary layer in Non-Equatorial Regions
Go
Verified Wind Speed at Height above Surface in form of near Surface Wind Profile
Go
14 More Estimating Marine and Coastal Winds Calculators
Go
Estimation of Watershed Erosion and Sediment Delivery Ratio (9)
Verified Area of Catchment given Annual Sediment Yield Rate
Go
Verified Area of Catchment given Volume of Sediment Yield per Year
Go
Verified Catchment Area given Annual Sediment Yield Rate
Go
Verified Catchment Area given Volume of Sediment Yield per Year
Go
Verified Dhruv Narayan Et Al's Equation for Annual Runoff Volume
Go
Verified Dhruv Narayan Et Al's Equation for Annual Sediment Yield Rate
Go
Verified Joglekar's Equation for Annual Sediment Yield Rate
Go
Verified Joglekar's Equation for Volume of Sediment Yield per Year from Catchment Area
Go
Verified Khosla's Equation for Volume of Sediment Yield per Year from Catchment Area
Go
1 More Estimation of Watershed Erosion and Sediment Delivery Ratio Calculators
Go
Evaluation of Average Strain and Neutral Axis Depth (13)
Verified Area of Prestressing Steel given Tension Force
Go
Verified Average Strain under Tension
Go
Verified Compression Force for Prestressed Section
Go
Verified Couple Force of Cross Section
Go
Verified Depth of Neutral Axis given Couple Force of Cross Section
Go
Verified Height of Crack Width at Soffit given Average Strain
Go
Verified Modulus of Elasticity of Concrete given Couple Force of Cross-Section
Go
Verified Modulus of Elasticity of Prestressed Steel given Compression Force
Go
Verified Strain at Selected Level given Average Strain under Tension
Go
Verified Strain given Couple Force of Cross Section
Go
Verified Strain in Longitudinal Reinforcement given Tension Force
Go
Verified Strain in Prestressed Steel given Tension Force
Go
Verified Width of Section given Couple Force of Cross Section
Go
Evaporation (2)
Verified Meyers formula (1915)
Go
Verified Rohwers formula (1931)
Go
4 More Evaporation Calculators
Go
Evapotranspiration (7)
Verified Actual Evapotranspiration
Go
Verified Actual Evapotranspiration given Aridity Index
Go
Verified Aridity Index
Go
Verified Change in Moisture Storage
Go
Verified Precipitation given Change in Moisture Storage
Go
Verified Runoff given Change in Moisture Storage
Go
Verified Subsurface Outflow given Change in Moisture Storage
Go
Evapotranspiration Equations (8)
Verified Adjustment related to Latitude of Place given Potential Evapotranspiration
Go
Verified Equation for Blaney Criddle
Go
Verified Equation for Net Radiation of Evaporable Water
Go
Verified Mean Monthly Air Temperature for Potential Evapotranspiration in Thornthwaite Equation
Go
Verified Net Radiation of Evaporable water given Daily Potential Evapotranspiration
Go
Verified Parameter Including Wind Velocity and Saturation Deficit
Go
Verified Penman's Equation
Go
Verified Thornthwaite Formula
Go
Flanged Sections (4)
Verified Depth when Neutral Axis is in Flange
Go
Verified Distance when Neutral Axis Lies in Flange
Go
Verified Maximum Ultimate Moment when Neutral Axis Lies in Web
Go
Verified Value of Omega if Neutral Axis is in Flange
Go
Flat Plate Construction (6)
Verified Clear Span in Direction Moments given Total Static Design Moment
Go
Verified Concrete Column Elasticity Modulus using Flexural Stiffness
Go
Verified Moment of Inertia of Centroidal Axis given Flexural Stiffness
Go
Verified Strip Width given Total Static Design Moment
Go
Verified Total Static Design Moment in Strip
Go
Verified Uniform Design Load Per Unit of Slab Area given Total Static Design Moment
Go
Flat Plate Normal to the Jet (3)
Verified Area of Cross Section of Jet given Mass of Fluid
Go
Verified Mass Flow Rate of Fluid Striking Plate
Go
Verified Velocity given Mass of Fluid
Go
3 More Flat Plate Normal to the Jet Calculators
Go
Flat Plate Normal to the Jet (1)
Verified Efficiency of Wheel
Go
5 More Flat Plate Normal to the Jet Calculators
Go
Flow Over Rectangular Sharp-Crested Weir or Notch (3)
Verified Coefficient of Discharge given Discharge if Velocity considered
Go
Verified Coefficient of Discharge given Discharge if Velocity not considered
Go
Verified Coefficient of Discharge given Discharge over Weir without considering Velocity
Go
14 More Flow Over Rectangular Sharp-Crested Weir or Notch Calculators
Go
Flow velocity in straight sewers (1)
Verified Area given Water Flow Equation
Go
7 More Flow velocity in straight sewers Calculators
Go
Flow-Duration Curve (3)
Verified Number of Data Points given Percentage Probability of Flow Magnitude
Go
Verified Order Number of Discharge given Percentage Probability of Flow Magnitude
Go
Verified Percentage Probability of Flow Magnitude
Go
Flushing/Circulation Processes and Vessel Interactions (9)
Verified Channel Depth given Vessel Blockage Ratio
Go
Verified Channel Width given Vessel Blockage Ratio
Go
Verified Continuity and Energy Equations given Froude Number, Drawdown and Vessel Blockage Ratio
Go
Verified Individual Wave Celerity created by Moving Vessel
Go
Verified Return Flow Velocity
Go
Verified Vessel Blockage Ratio
Go
Verified Vessel Speed given Individual Wave Celerity created by Moving Vessel
Go
Verified Vessel Speed given Return Flow Velocity
Go
Verified Vessel's Midsection Wetted Cross-Sectional Area given Vessel Blockage Ratio
Go
8 More Flushing/Circulation Processes and Vessel Interactions Calculators
Go
Footing (1)
Verified Tensile Bending Stress at Bottom when Footing is Deep
Go
2 More Footing Calculators
Go
Force Variation Diagram and Loss Due to Anchorage Slip (10)
Created Anchorage Slip given Settling Length
Go
Created Area of Prestressing Steel given Settling Length
Go
Created Loss of Prestress due to Slip
Go
Created Pressure Drop given Setting Length
Go
Created Pressure Drop when Anchorage Slip and Settling Length are Considered
Go
Created Prestressing Force after Immediate Loss when Reverse Friction Effect is Considered
Go
Created Prestressing Force at distance x when Reverse Friction is Considered
Go
Created Settling Length given Pressure Drop
Go
Created Settling Length given Prestressing Force Immediately after Loss
Go
Created Slip of Anchorage
Go
Forces Acting on Fluid in Motion (1)
Verified Gravity Force given Sum of Total Forces influencing Motion of Fluid
Go
8 More Forces Acting on Fluid in Motion Calculators
Go
Forces Driving Ocean Currents (12)
Verified Coriolis Frequency
Go
Verified Coriolis Frequency given Horizontal Component of Coriolis Acceleration
Go
Verified Drag Coefficient
Go
Verified Drag Coefficient given Wind Stress
Go
Verified Horizontal Component of Coriolis Acceleration
Go
Verified Horizontal Speed across Earth's Surface given Coriolis Frequency
Go
Verified Horizontal Speed across Earth's Surface given Horizontal Component of Coriolis Acceleration
Go
Verified Latitude given Magnitude of Horizontal Component of Coriolis Acceleration
Go
Verified Magnitude of Horizontal Component of Coriolis Acceleration
Go
Verified Wind Speed at Height 10 m for Drag Coefficient
Go
Verified Wind Speed at Height 10 m given Wind Stress
Go
Verified Wind Stress
Go
2 More Forces Driving Ocean Currents Calculators
Go
Form Drag (1)
Verified Vessel Draft given Form Drag of Vessel
Go
6 More Form Drag Calculators
Go
Form Factors (4)
Verified Form Factor given Shape Factor
Go
Verified Form Factor given Width of Basin
Go
Verified Form Factor using Watershed Dimensions
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Verified Watershed Area given Shape Factor
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6 More Form Factors Calculators
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Free Oscillation Period (3)
Verified Natural Free Oscillation Period for Average Horizontal Velocity at Node
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Verified Natural Free Oscillation Period for Open Basin
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Verified Natural Free Oscillation period given Maximum Horizontal Particle Excursion at Node
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3 More Free Oscillation Period Calculators
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Friction Factor (3)
Verified Friction Factor
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Verified Friction Factor given Reynolds Number
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Verified Friction Factor given Shear Velocity
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2 More Friction Factor Calculators
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Friction Loss (7)
Created Coefficient of Friction given Px
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Created Prestress Force at Distance X by Taylor Series Expansion
Go
Created Prestress Force at Stressing End using Taylor Series Expansion
Go
Created Prestressing Force at Distance x from Stretching End for Known Resultant
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Created Resultant of Vertical Reaction from Concrete on Tendon
Go
Created Subtended Angle given Resultant Reaction
Go
Created Wobble Coefficient k given Px
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General Geometric Properties (4)
Created Area of Concrete Section when Transformed Area is Calculated
Go
Created Area of Prestressing Steel given Transformed Area
Go
Created Transformed Area of Prestressed Member
Go
Created Transformed Area of Prestressed Member given Gross Area of Member
Go
General Principles of Prestressed Concrete (12)
Created Compressive Stress due to External Moment
Go
Created Cross Sectional Area given Compressive Stress
Go
Created External Moment with Known Compressive Stress
Go
Created Length of Span given Uniform Load
Go
Created Prestressing Force given Compressive Stress
Go
Created Prestressing Force given Uniform Load
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Created Resulting Stress due to Moment and Prestress and Eccentric Strands
Go
Created Resulting Stress due to Moment and Prestressing Force
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Created Sag of Parabola given Uniform Load
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Created Stress due to Prestress Moment
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Created Uniform Compressive Stress due to Prestress
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Created Upward Uniform Load using Load Balancing Method
Go
Generation-Distribution Models (5)
Verified Air Trips between i and j
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Verified Country Pair Relation Index given Air Traffic between Stations i and j
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Verified Factor to adjust for Quantum Effects given Air Trips between i and j
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Verified Population at i given Air Trips between i and j
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Verified Time in Years given Air Trips between i and j
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3 More Generation-Distribution Models Calculators
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Geometrical Properties of Rectangular Channel Section (1)
Verified Width of Section given Wetted Areas
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11 More Geometrical Properties of Rectangular Channel Section Calculators
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Geometrics Properties (4)
Created Area of Concrete about Non-Prestressed Reinforcements and Transformed Section
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Created Area of Non-Prestressed Reinforcement in Partially Prestressed Members
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Created Area of Prestressing Tendons about Non-Prestressed Reinforcements and Transformed Section
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Created Transformed Area of Partially Prestressed Members
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Goodrich Method (4)
Verified Inflow at Beginning of Time Interval
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Verified Inflow at End of Time Interval
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Verified Outflow at Beginning of Time Interval
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Verified Outflow at End of Time Interval
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Gradients (1)
Verified Height for Parabolic Shape Camber
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11 More Gradients Calculators
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Gravity Dam (2)
Verified Total Vertical Force for Vertical Normal Stress at Upstream Face
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Verified Total Vertical Force given Vertical Normal Stress at Downstream Face
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6 More Gravity Dam Calculators
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Groundwater Level Fluctuation and Specific Yield Method (21)
Verified Base flow when Possible Recharge is Considered
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Verified Catchment Area usually Watershed Area when Possible Recharge is considered
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Verified Equation for Base Flow into Stream from Area
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Verified Equation for Gross Recharge due to Rainfall and other Sources
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Verified Equation for Gross Water Draft
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Verified Equation for Net Ground Water Flow into Area across Boundary
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Verified Equation for Recharge from Irrigation in Area
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Verified Equation for Recharge from Rainfall
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Verified Equation for Recharge from Stream into Ground water Body
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Verified Equation for Recharge from Tanks and Ponds
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Verified Equation for Recharge from Water Conservation Structures
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Verified Equation for Recharge when Gross Water Draft is considered
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Verified Equation for Specific Yield
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Verified Equation for Water Level Fluctuation
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Verified Equation for Watershed Area about Specific Yield and Water Level Fluctuation
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Verified Net Ground Water Flow given Possible Recharge
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Verified Possible Recharge given Gross Recharge due to Rainfall
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Verified Possible Recharge given other Recharge Factors
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Verified Recharge from Stream into Ground water Body given Possible Recharge
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Verified Specific Yield when Possible Recharge and Gross Water Draft is considered
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Verified Water Level Fluctuation when Possible Recharge and Gross Water Draft is considered
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Gumbel's Method for Prediction of Flood's Peak (14)
Verified Frequency Factor as applicable to Infinite Sample Size
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Verified Frequency Factor given Variate 'x' concerning Return Period
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Verified Frequency Factor in Gumbel's Equation for Practical Use
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Verified General Equation of Hydrologic Frequency Analysis
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Verified Gumbel's Variate 'x' with Recurrence Interval for Practical Use
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Verified Mean of Variate in Flood Frequency Studies
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Verified Mean Variate given Variate 'x' with Recurrence Interval for Practical Use
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Verified Reduced Mean when Frequency Factor and Standard Deviation are Considered
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Verified Reduced Standard Deviation when Variate and Reduced Mean is Considered
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Verified Reduced Variate concerning Return Period
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Verified Reduced Variate for Return Period when Frequency Factor is Considered
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Verified Reduced Variate when Frequency Factor and Standard Deviation is Considered
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Verified Reduced Variate 'Y' for given Return Period
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Verified Reduced Variate 'Y' in Gumbel's Method
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Hagen–Poiseuille Equation (5)
Verified Diameter of Pipe given Head Loss over Length of Pipe
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Verified Discharge given Pressure Drop over Length of Pipe
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Verified Length of Pipe given Head Loss over Length of Pipe with Discharge
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Verified Length of Pipe given Pressure Drop over Length of Pipe with Discharge
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Verified Pressure Drop over Length of Pipe given Discharge
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15 More Hagen–Poiseuille Equation Calculators
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Harbor Oscillations (11)
Verified Average Horizontal Velocity at Node
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Verified Maximum Horizontal Particle Excursion at Node
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Verified Maximum Horizontal Velocity at Node
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Verified Standing Wave Height for Average Horizontal Velocity at Node
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Verified Standing Wave Height given Maximum Horizontal Particle Excursion at Node
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Verified Standing Wave Height given Maximum Horizontal Velocity at Node
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Verified Water Depth for given Period for Fundamental Mode
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Verified Water Depth given Average Horizontal Velocity at Node
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Verified Water Depth given Maximum Horizontal Particle Excursion at Node
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Verified Water Depth given Maximum Horizontal Velocity at Node
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Verified Wave Length for Average Horizontal Velocity at Node
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11 More Harbor Oscillations Calculators
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Harmonic Analysis and Prediction of Tides (7)
Verified Form Number
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Verified Lunar-Solar Constituent given Form Number
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Verified Principal Lunar Diurnal Constituent given Form Number
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Verified Principal Lunar Semi-Diurnal Constituent given Form Number
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Verified Principal Solar Semi-Diurnal Constituent given Form Number
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Verified Radian Frequencies for Prediction of Tides
Go
Verified Time period of n'th contribution of tide prediction given radian frequencies
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Hoop Stress due to Temperature Fall (1)
Verified Hoop Stress due to Temperature Fall given Strain
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5 More Hoop Stress due to Temperature Fall Calculators
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Horizontal and Vertical Semi-Axis of Ellipse (10)
Verified Major Horizontal Semi Axis for Deep Water Condition
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Verified Minor Vertical Semi Axis for Shallow Water Condition
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Verified Minor Vertical Semi-Axis for Deep Water Condition
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Verified Phase Angle for Horizontal Fluid Particle Displacement
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Verified Sea Bed Given Minor Vertical Semi-Axis for Shallow Water Condition
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Verified Water Depth Given Minor Vertical Semi-Axis for Shallow Water Condition
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Verified Wave Height for Major Horizontal Semi-Axis Deep Water Condition
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Verified Wave Height for Minor Vertical Semi-Axis Deep Water Condition
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Verified Wave Height Given Minor Vertical Semi-Axis for Shallow Water Condition
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Verified Wavelength for Major Horizontal Semi-Axis for Shallow Water Condition
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3 More Horizontal and Vertical Semi-Axis of Ellipse Calculators
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Hydraulic Depth (2)
Verified Hydraulic Depth
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Verified Wetted Area given Hydraulic Mean Depth
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4 More Hydraulic Depth Calculators
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Hydraulic Head (1)
Verified Head over Crest for given Discharge without Velocity
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7 More Hydraulic Head Calculators
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Hydraulic Jump in Rectangular Channel (3)
Verified Conjugate Depth y1 given Discharge per Unit Width of Channel
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Verified Conjugate Depth y2 given Discharge per Unit Width of Channel
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Verified Conjugate Depth y2 given Froude Number Fr1
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8 More Hydraulic Jump in Rectangular Channel Calculators
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Hydraulic Retention Time (1)
Verified Hydraulic Retention Time given Food to Microorganism Ratio
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2 More Hydraulic Retention Time Calculators
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Hydroelectric Power Generation (1)
Verified Flow Rate for Power obtained from Water Flow in Horsepower
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5 More Hydroelectric Power Generation Calculators
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Hydrologic Channel Routing (7)
Verified Equation for Linear Storage or Linear Reservoir
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Verified Outflow given Linear Storage
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Verified Storage during Beginning of Time Interval for Continuity Equation of Reach
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Verified Storage during End of Time Interval in Continuity Equation for Reach
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Verified Storage during end of time interval in Muskingum method of Routing
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Verified Storage in Beginning of Time Interval
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Verified Total Wedge Storage in Channel Reach
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Hydrologic Storage Routing (4)
Verified Coefficient of Discharge when Outflow is Considered
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Verified Effective Length of Spillway Crest when Outflow is Considered
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Verified Head over Spillway when Outflow is Considered
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Verified Outflow in Spillway
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Infiltration Capacity Equation (6)
Verified Darcy's Hydraulic Conductivity given Infiltration Capacity from Philip's Equation
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Verified Equation for Infiltration Capacity
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Verified Infiltration rate by Horton's equation
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Verified Philip's Equation
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Verified Sorptivity for Cumulative Infiltration Capacity is from Philip's Equation
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Verified Sorptivity given Infiltration Capacity
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2 More Infiltration Capacity Equation Calculators
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Influent and Effluent BOD (3)
Verified Effluent BOD given Overall Efficiency of Two-Stage Trickling Filter
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Verified Influent BOD given BOD Loading for First Stage Filter
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Verified Influent BOD given Overall Efficiency of Two-stage Trickling Filter
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Influent Substrate Concentration (3)
Verified Influent Substrate Concentration given Net Waste Activated Sludge
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Verified Influent Substrate Concentration given Theoretical Oxygen Requirement
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Verified Influent Substrate Concentration given Volume of Reactor
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2 More Influent Substrate Concentration Calculators
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Inglis Formula (1930) (3)
Verified Inglis Formula for Areas between 160 to 1000 square kilometers
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Verified Inglis Formula for Larger Areas
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Verified Inglis Formula for Small Areas (also applicable for fan shaped catchment)
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Inlet Currents and Tidal Elevations (10)
Verified Average Area over Channel Length for Flow through Inlet into Bay
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Verified Average Area over Channel Length using King's Dimensionless Velocity
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Verified Average Velocity in Channel for Flow through Inlet into Bay
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Verified Bay Tide Amplitude given Tidal Prism Filling Bay
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Verified King's Dimensionless Velocity
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Verified Maximum Cross-Sectionally Averaged Velocity during Tidal Cycle
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Verified Ocean Tide Amplitude using King's Dimensionless Velocity
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Verified Surface Area of Bay for Flow through Inlet into Bay
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Verified Surface Area of Bay using King's Dimensionless Velocity
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Verified Tidal Period using King's Dimensionless Velocity
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18 More Inlet Currents and Tidal Elevations Calculators
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Integration of the Varied Flow Equation (1)
Verified Manning's Formula for Energy Slope
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11 More Integration of the Varied Flow Equation Calculators
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Interception (5)
Verified Duration of Rainfall given Interception Loss
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Verified Evaporation Rate given Interception Loss
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Verified Interception Loss
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Verified Interception Storage given Interception Loss
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Verified Ratio of Vegetal Surface Area to its Projected Area given Interception Loss
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Irregular Waves (6)
Verified Deepwater Surf Similarity Parameter
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Verified Deepwater Wave Height given Maximum Runup
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Verified Deepwater Wave Height given Surf Similarity Parameter
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Verified Deepwater Wavelength given Surf Similarity Parameter
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Verified Empirically Determined Functions of Beach Slope Parameter a
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Verified Empirically Determined Functions of Beach Slope Parameter b
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15 More Irregular Waves Calculators
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Jet Propulsion of Ships (2)
Verified Efficiency of Propulsion
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Verified Efficiency of Propulsion given Head Loss due to Friction
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8 More Jet Propulsion of Ships Calculators
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Job Mix Concrete Volume (1)
Verified Water Cement Ratio
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9 More Job Mix Concrete Volume Calculators
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Khoslas's Formula (1960) (5)
Verified Mean Monthly Temperature of Catchment given Monthly Losses
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Verified Monthly Losses given Mean Monthly Temperature of Catchment
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Verified Monthly Losses using Monthly Runoff
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Verified Monthly Precipitation given Monthly Runoff
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Verified Monthly Runoff
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Kinetic Energy (3)
Verified Kinetic Energy due to Particle Motion
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Verified Wave Height given Kinetic Energy due to Particle Motion
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Verified Wave Length for Kinetic Energy due to Particle Motion
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1 More Kinetic Energy Calculators
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Kirpich Equation(1940) (6)
Verified Kirpich Adjustment Factor
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Verified Kirpich Equation
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Verified Kirpich equation for Time of Concentration
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Verified Maximum Length of Travel of Water
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Verified Slope of Catchment about given Time of Concentration
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Verified Time of Concentration from Kirpich Adjustment Factor
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Laminar Flow around a Sphere– Stokes’ Law (4)
Verified Diameter of Sphere given Resistance Force on Spherical Surface
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Verified Dynamic Viscosity of fluid given Resistance Force on Spherical Surface
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Verified Resistance Force on Spherical Surface given Specific Weights
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Verified Velocity of Sphere given Resistance Force on Spherical Surface
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14 More Laminar Flow around a Sphere– Stokes’ Law Calculators
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Laminar Flow between Parallel Flat Plates, one plate moving and other at rest, Couette Flow (1)
Verified Mean Velocity of Flow given Flow Velocity
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11 More Laminar Flow between Parallel Flat Plates, one plate moving and other at rest, Couette Flow Calculators
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Laminar Flow between Parallel Plates, both plates at rest (1)
Verified Distance between Plates given Pressure Difference
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19 More Laminar Flow between Parallel Plates, both plates at rest Calculators
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Laminar Flow Through Inclined Pipes (11)
Verified Dynamic Viscosity given Flow Velocity of Stream
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Verified Dynamic Viscosity given Velocity Gradient with Shear Stress
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Verified Flow Velocity of Stream
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Verified Piezometric Gradient given Shear Stress
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Verified Piezometric Gradient given Velocity Gradient with Shear Stress
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Verified Radius of Elemental Section of Pipe given Shear Stress
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Verified Radius of Elemental Section of Pipe given Velocity Gradient with Shear Stress
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Verified Shear Stresses
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Verified Specific Weight of Fluid given Shear Stress
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Verified Specific Weight of Liquid given Velocity Gradient with Shear Stress
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Verified Velocity Gradient given Piezometric Gradient with Shear Stress
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4 More Laminar Flow Through Inclined Pipes Calculators
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Landing Distance under Estimation of Runway Length (2)
Verified Additional Distance required for Turns given Distance between Center lines
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Verified Distance between Center Lines of Runway and Parallel Taxiway
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2 More Landing Distance under Estimation of Runway Length Calculators
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Lap of Flange (6)
Created Diameter of Wheel given Lap of Flange
Go
Created Extra Track Width in Curves
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Created Lap of Flange given Diameter of Wheel
Go
Created Lap of Flange given Extra Width of Track
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Created Radius of Curve given Extra Width
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Created Wheel Base given Extra Width
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Lateral Forces (8)
Created Characteristic Length given Seat Load on Rail
Go
Created Maximum Contact Shear Stress
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Created Maximum Load on Rail Seat
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Created Radius of Wheel given Shear Stress
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Created Section Modulus of Rail given Seat Load
Go
Created Sleeper Spacing given Seat Load on Rail
Go
Created Static Wheel Load given Shear Stress
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Created Wheel Load given Seat Load
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Length of Crest (2)
Verified Length of Crest considering Velocity
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Verified Length of Crest without considering Velocity
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7 More Length of Crest Calculators
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Levelling (17)
Created Angle of Dip for Compass Surveying
Go
Created Back Sight given Height of Instrument
Go
Created Combined Error Due to Curvature and Refraction
Go
Created Correction on Refraction Error
Go
Created Difference in Elevation between Ground Points in short lines under Trigonometric levelling
Go
Created Difference in Elevation between Two Points using Barometric Levelling
Go
Created Distance between Two points under Curvature and Refraction
Go
Created Distance for small errors under Curvature and Refraction
Go
Created Distance to Visible Horizon
Go
Created Error Due to Curvature Effect
Go
Created Height of Instrument
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Created Height of Observer
Go
Created Permissible Closing Error for Accurate Levelling
Go
Created Permissible Closing Error for Ordinary Levelling
Go
Created Permissible Closing Error for Precise Levelling
Go
Created Permissible Closing Error for Rough Levelling
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Created Reduced Level given Height of Instrument
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Linear Dispersion Relation of Linear Wave (11)
Verified Dimensionless Wave Speed
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Verified Guo Formula of Linear Dispersion Relation
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Verified Guo Formula of Linear Dispersion Relation for Wave Number
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Verified Radian Frequency of Waves
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Verified Relative Wavelength
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Verified Velocity of Propagation in Linear Dispersion Relation
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Verified Velocity of Propagation in Linear Dispersion Relation given Wavelength
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Verified Wave Number for Steady Two-dimensional Waves
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Verified Wave Number of Convenient Empirical Explicit Approximation
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Verified Wave period given Radian Frequency of Waves
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Verified Wavelength given Wave Number
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1 More Linear Dispersion Relation of Linear Wave Calculators
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Liquid Containers Subjected To Constant Horizontal Acceleration (1)
Verified Pressure at Any Points in Liquid
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10 More Liquid Containers Subjected To Constant Horizontal Acceleration Calculators
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Liquid Containers Subjected To Constant Vertical Acceleration (3)
Verified Constant Vertical Upward Acceleration given Pressure at any Point in Liquid
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Verified Gauge Pressure at Any Point in Liquid Flow
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Verified Specific Weight of Liquid given Pressure at point in Liquid
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9 More Liquid Containers Subjected To Constant Vertical Acceleration Calculators
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Load Bearing Walls (3)
Verified 28-Day Concrete Compressive Strength given Axial Capacity of Wall
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Verified Axial Capacity of Wall
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Verified Wall Section Gross Area given Axial Capacity of Wall
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Load-Factor Design for Bridge Beams (4)
Verified Maximum Bending Strength for Symmetrical Flexural Braced Non-Compacted Section for LFD of Bridges
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Verified Maximum Bending Strength for Symmetrical Flexural Compact Section for LFD of Bridges
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Verified Minimum Flange Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges
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Verified Minimum Web Thickness for Symmetrical Flexural Braced Non-Compact Section for LFD of Bridges
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10 More Load-Factor Design for Bridge Beams Calculators
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Local Fluid Velocity (6)
Verified Horizontal Component of Local Fluid Velocity
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Verified Local Fluid Particle Acceleration of Horizontal Component
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Verified Local Fluid Particle Acceleration of Vertical Component of Fluid Velocity
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Verified Vertical Component of Local Fluid Velocity
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Verified Wave Period for Horizontal Component of Local Fluid Velocity
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Verified Wave Period for Vertical Component of Local Fluid Velocity
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Losses due to Creep and Shrinkage (5)
Created Loss in Prestress given Creep Strain
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Created Loss in Prestress given Shrinkage Strain
Go
Created Shrinkage Strain for Post tensioning
Go
Created Ultimate Creep Strain
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Created Ultimate Shrinkage Strain given Loss in Prestress
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2 More Losses due to Creep and Shrinkage Calculators
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Low Flow (2)
Verified Cease to Flow Depth given Depth at Gauging Station
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Verified Depth at Gauging Station
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2 More Low Flow Calculators
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Management of Construction Equipment (11)
Created Average Investment if Salvage Value is not 0
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Created Average Investment when Salvage value is 0
Go
Created Book Value for New Machine
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Created Capacity of Crankcase when Quantity of Oil is Determined
Go
Created Capital Cost when Salvage Value is 0
Go
Created Depreciation Cost when Straight Line Method is Assumed
Go
Created Horsepower given Quantity of Oil
Go
Created Hourly Cost Worker
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Created Hourly Depreciation
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Created Life Span of Machine
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Created Quantity of Lubricating Oil
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Manning's Formula in Uniform Flow (1)
Verified Manning's Formula for Coefficient of Roughness given Average Velocity
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6 More Manning's Formula in Uniform Flow Calculators
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Materials (7)
Created Creep Coefficient in European Code
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Created Empirical Formula for Secant Modulus Proposed by Hognestad in ACI Code
Go
Created Empirical Formula for Secant Modulus Proposed by Jensen
Go
Created Empirical Formula for Secant Modulus using ACI Code Provisions
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Created Instantaneous Strain given Cc
Go
Created Total Strain
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Created Total Strain given Creep Coefficient
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Maximum Shear Stress on the Biaxial Loading (2)
Verified Maximum Shear Stress when Member is Subjected to like Principal Stresses
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Verified Stress along Y-Axis when Member is Subjected to like Principal Stresses and Max Shear Stress
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1 More Maximum Shear Stress on the Biaxial Loading Calculators
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Maximum Stress of a Triangular Section (1)
Verified Height of Triangular Section given Shear Stress at Neutral Axis
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7 More Maximum Stress of a Triangular Section Calculators
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Maximum Value of Specific Yield for Various Hydrogeologic Conditions based on Norms (10)
Verified Possible Recharge in Clayey Alluvial Areas for Maximum Value of Specific Yield
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Verified Possible Recharge in Hard Rock Areas with Karstified Limestone for Maximum Specific Yield
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Verified Possible Recharge in Hard Rock Areas with Laterite for Maximum Specific Yield
Go
Verified Possible Recharge in Hard Rock Areas with Low Clay Content for Maximum Value of Specific Yield
Go
Verified Possible Recharge in Hard Rock Areas with Massive, Poorly Fractured Rock for Maximum Specific Yield
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Verified Possible Recharge in Hard Rock Areas with Phyllites, Shales for Maximum Specific Yield
Go
Verified Possible Recharge in Hard Rock Areas with Sandstone for Maximum Specific Yield
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Verified Possible Recharge in Hard Rock Areas with Significant Clay Content for Maximum Specific Yield
Go
Verified Possible Recharge in Hard Rock Areas with Weathered Jointed Basalt for Maximum Specific Yield
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Verified Possible Recharge in Silty Alluvial Areas for Maximum Value of Specific Yield
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3 More Maximum Value of Specific Yield for Various Hydrogeologic Conditions based on Norms Calculators
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Maximum Yield Coefficient (2)
Verified Maximum Yield Coefficient given Observed Cell Yield
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Verified Maximum Yield Coefficient given Volume of Reactor
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Mean Cell Residential Time (2)
Verified Mean Cell Residence Time given Observed Cell Yield
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Verified Mean Cell Residence Time given Reactor Volume
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Mean Velocity of Flow (4)
Verified Mean Velocity of Flow given Friction Factor
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Verified Mean Velocity of Flow given Head Loss due to Frictional Resistance
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Verified Mean Velocity of Flow given Shear Stress and Density
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Verified Mean Velocity of Flow given Total Required Power
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1 More Mean Velocity of Flow Calculators
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Measured Wind Directions (17)
Verified Ambient Pressure at Periphery of Storm
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Verified Characteristic Wave Height given Dimensionless Wave Height
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Verified Cyclostrophic Approximation to Wind Speed
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Verified Dimensionless Fetch
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Verified Dimensionless Fetch given Fetch-limited Dimensionless Wave Height
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Verified Dimensionless Wave Frequency
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Verified Dimensionless Wave Height
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Verified Distance from Center of Storm Circulation to Location of Maximum Wind Speed
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Verified Fetch-Limited Dimensionless Wave Height
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Verified Frequency of Spectral Peak for Dimensionless Wave Frequency
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Verified Friction Velocity for Dimensionless Wave Frequency
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Verified Friction Velocity given Dimensionless Fetch
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Verified Friction Velocity given Dimensionless Wave Height
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Verified Fully Developed Wave Height
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Verified Maximum Velocity in Storm
Go
Verified Pressure Profile in Hurricane Winds
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Verified Wind Speed given Fully Developed Wave Height
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2 More Measured Wind Directions Calculators
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Methods to Predict Channel Shoaling (14)
Verified Change of Ebb Tidal Energy Flux across Ocean Bar between Natural and Channel Conditions
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Verified Coefficient given Water Surface Slope by Eckman
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Verified Density of Water given Water Surface Slope
Go
Verified Depth after Dredging given Transport Ratio
Go
Verified Depth before Dredging given Transport Ratio
Go
Verified Depth of Navigation Channel given Depth of Channel to depth at which Ocean Bar meets Sea Bottom
Go
Verified Hoerls Special Function Distribution
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Verified Maximum Instantaneous Ebb Tide Discharge per Unit Width
Go
Verified Ratio of Depth of Channel to Depth at which Seaward Slope of Ocean Bar Meets Sea Bottom
Go
Verified Shear Stress at Water Surface given Water Surface Slope
Go
Verified Tidal Period given Change of Ebb Tidal Energy Flux across Ocean Bar
Go
Verified Transport Ratio
Go
Verified Water Depth where Seaward Tip of Ocean Bar meets Offshore Sea Bottom
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Verified Water Surface Slope
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Minimum Value of Specific Yield for Various Hydrogeologic Conditions based on Norms (1)
Verified Possible Recharge in Sandy Alluvial Area given Minimum value of Specific Yield for Area
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12 More Minimum Value of Specific Yield for Various Hydrogeologic Conditions based on Norms Calculators
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MLSS and MLVSS (4)
Verified Mixed Liquor Suspended Solids given Wasting Rate from Return Line
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Verified Mixed Liquor Volatile Suspended Solids given Reactor Volume
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Verified MLSS given RAS Pumping Rate from Aeration Tank
Go
Verified MLSS using Wasting rate from Return Line when Concentration of Solid in Effluent is Low
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Modified Darcy's Laws (3)
Verified Flow through any square for total flow
Go
Verified Number of squares through which flow occurs
Go
Verified Total flow through any set or group of equipotential lines
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3 More Modified Darcy's Laws Calculators
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Modified Pul's Method (2)
Verified Storage at Beginning of Time Interval in Modified Pul's Method
Go
Verified Storage at End of Time Interval in Modified Pul's Method
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Modified Universal Soil Loss Equation (1)
Verified Peak Rate of Runoff given Sediment Yield from Individual Storm
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5 More Modified Universal Soil Loss Equation Calculators
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Modulus of Elasticity (2)
Verified Young's Modulus of Concrete
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Verified Young's Modulus of Elasticity as per ACI 318 Building Code Requirements for Reinforced Concrete
Go
3 More Modulus of Elasticity Calculators
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Moments acting on Arch Dam (4)
Verified Moment at Abutments of Arch Dam
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Verified Moments given Extrados Stresses on Arch Dam
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Verified Moments given Intrados Stresses on Arch Dam
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Verified Moments given Rotation due to Twist on Arch Dam
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3 More Moments acting on Arch Dam Calculators
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Mooring (9)
Verified Effective Spring Constant given Undamped Natural Period
Go
Verified Elongation in Mooring Line given Percent Elongation in Mooring Line
Go
Verified Length of Mooring Line given percent Elongation in Mooring Line
Go
Verified Mass of Vessel due to Inertial Effects of Water entrained with Vessel
Go
Verified Mass of Vessel given Virtual Mass of Vessel
Go
Verified Percent Elongation in Mooring Line
Go
Verified Undamped Natural Period of Vessel
Go
Verified Virtual Mass of Vessel
Go
Verified Virtual Mass of Vessel given Undamped Natural Period
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3 More Mooring Calculators
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Mooring Forces (24)
Verified Angle of Current Relative to Longitudinal Axis of Vessel given Reynolds Number
Go
Verified Angular velocity of Earth for velocity at surface
Go
Verified Area Ratio given Expanded or Developed Blade Area of Propeller
Go
Verified Average Current Speed given Reynolds number
Go
Verified Coefficient of Drag for Winds Measured at 10 m given Drag Force due to Wind
Go
Verified Density of Water given Velocity at Surface
Go
Verified Depth given Velocity at Surface
Go
Verified Displacement of Vessel for Wetted Surface Area of Vessel
Go
Verified Drag Force due to Wind
Go
Verified Elevation given Velocity at Desired Elevation
Go
Verified Expanded or Developed Blade Area of Propeller
Go
Verified Kinematic Viscosity of Water given Reynolds Number
Go
Verified Latitude given Velocity at Surface
Go
Verified Mass Density of Air given Drag Force due to Wind
Go
Verified Projected Area of Vessel above Waterline given Drag Force due to Wind
Go
Verified Shear Stress at Water Surface given Velocity at Surface
Go
Verified Velocity at Desired Elevation Z
Go
Verified Vessel Beam given Expanded or Developed Blade Area of Propeller
Go
Verified Waterline Length of Vessel for Wetted Surface Area of Vessel
Go
Verified Waterline Length of Vessel given Expanded or Developed Blade Area
Go
Verified Waterline Length of Vessel given Reynolds Number
Go
Verified Wetted Surface Area of Vessel
Go
Verified Wind Speed at Standard Elevation of 10 m above Water's Surface using Drag Force due to Wind
Go
Verified Wind Speed at Standard Elevation of 10 m given Velocity at Desired Elevation
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2 More Mooring Forces Calculators
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Most Economical Pipe (1)
Verified Discharge for Most Economical Pipe Diameter for Distribution System
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7 More Most Economical Pipe Calculators
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Movement of Sediments from Watersheds (2)
Verified Watershed Length when Sediment Delivery Ratio is considered
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Verified Watershed Relief when Sediment Delivery Ratio is considered
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1 More Movement of Sediments from Watersheds Calculators
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Muskingum Equation (3)
Verified Change in Storage in Muskingum Method of Routing
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Verified Muskingum Equation
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Verified Muskingum Routing Equation
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Nash's Conceptual Model (6)
Verified Equation for Inflow from Continuity Equation
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Verified Ordinates of Instantaneous Unit Hydrograph representing IUH of Catchment
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Verified Outflow in First Reservoir
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Verified Outflow in nth Reservoir
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Verified Outflow in Second Reservoir
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Verified Outflow in Third Reservoir
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Natural Flow (7)
Verified Change in Storage Volumes
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Verified Natural Flow Volume
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Verified Net Evaporation Losses from Reservoir on Stream
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Verified Net Export of Water from Basin
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Verified Observed Flow Volume at Terminal Site given Natural Flow Volume
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Verified Volume Diverted Out of Stream
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Verified Volume of Return Flow
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Nearshore Currents (6)
Verified Oscillatory Flow due to Infragravity Waves
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Verified Oscillatory Flow due to Wind Waves
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Verified Steady Current driven by Breaking Waves
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Verified Tidal Current given Total Current in Surf Zone
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Verified Total Current in Surf Zone
Go
Verified Wind Driven Current given Total Current in Surf Zone
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Negative Surges (4)
Verified Absolute Velocity of Surges
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Verified Celerity of Wave given is Depth
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Verified Velocity of Flow given Absolute Velocity of Surges
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Verified Velocity of Flow given Depth of flow
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5 More Negative Surges Calculators
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Net Waste Activated Sludge (2)
Verified Net Waste Activated Sludge
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Verified Net Waste Activated Sludge given Theoretical Oxygen Requirement
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Newton’s Friction Postulation (4)
Verified Dynamic Viscosity of Fluid given Shear Force per Unit Area or Shear Stress
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Verified Mass Density of Fluid for given Kinematic Viscosity
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Verified Shear Force Per Unit Area or Shear Stress
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Verified Velocity Gradient given Shear Force per unit area or Shear Stress
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5 More Newton’s Friction Postulation Calculators
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Non-Linear Wave Theory (2)
Verified Mean Depth given Ursell Number
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Verified Wavelength given Ursell Number
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12 More Non-Linear Wave Theory Calculators
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Non-Uniform Flow (9)
Verified Average Conveyance of Channel for Non-Uniform Flow
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Verified Average Energy Slope given Average Conveyance for Non-Uniform Flow
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Verified Average Energy Slope given Frictional Loss
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Verified Conveyance of Channel at End Sections at 1
Go
Verified Conveyance of Channel for Non-Uniform Flow for End Section
Go
Verified Conveyance of Channel for Non-Uniform Flow for End Sections
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Verified Discharge in Non-Uniform Flow by Conveyance Method
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Verified Frictional Loss given Average Energy Slope
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Verified Length of Reach given Average Energy Slope for Non-Uniform Flow
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4 More Non-Uniform Flow Calculators
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Normal Radial Pressure of Arch Dams (1)
Verified Normal Radial Pressure at centerline given Moment at Abutments of Arch Dam
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3 More Normal Radial Pressure of Arch Dams Calculators
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Normal-Weight, Normal-Density Concrete (1)
Verified Modulus of Elasticity of Normal Weight and Density Concrete in SI Units
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1 More Normal-Weight, Normal-Density Concrete Calculators
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Number of Connectors in Bridges (5)
Verified Area of Longitudinal Reinforcing given Force in Slab at Maximum Negative Moments
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Verified Force in Slab at Maximum Negative Moments given Reinforcing Steel Yield Strength
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Verified Force in Slab given Number of Connectors in Bridges
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Verified Total Area of Steel Section given Force in Slab
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Verified Ultimate Shear Connector Strength given Minimum Number of Connectors in Bridges
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13 More Number of Connectors in Bridges Calculators
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Number of Connectors Required for Building Construction (5)
Verified Maximum Moment in Span given Number of Shear Connectors
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Verified Moment at Concentrated Load given Number of Shear Connectors
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Verified Number of Shear Connectors
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Verified Number of Shear Connectors required between Maximum and Zero Moment
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Verified Total Number of Connectors Resisting Total Horizontal Shear
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Observed Cell Yield (2)
Verified Observed Cell Yield
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Verified Observed Cell Yield given Net Waste Activated Sludge
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Offsets from Long Chord (3)
Created Mid Ordinate given Ox
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Created Mid Ordinate when Offsets from Long Chord is Used for Setting Out
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Created Offset at Distance x from Mid-Point
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One Dimensional Dupit's flow with Recharge (8)
Verified Coefficient of Aquifer Permeability given Maximum Height of Water Table
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Verified Coefficient of Aquifer Permeability given water table profile
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Verified Coefficient of aquifer permeability when discharge per unit width of aquifer
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Verified Discharge at downstream water body of catchment
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Verified Discharge entering drain per unit length of drain
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Verified Discharge per Unit Width of Aquifer at any Location x
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Verified Equation for head for unconfined aquifer on horizontal impervious base
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Verified Equation for Water Divide
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Open and Closed Basins (1)
Verified Number of Nodes along Long Basin Axis in Open Basin
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3 More Open and Closed Basins Calculators
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Open Rectangular Basin (4)
Verified Length of Basin for Open Rectangular Basin
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Verified Natural free Oscillating Period of Basin for Open Rectangular Basin
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Verified Number of nodes along axis of Basin for Open Rectangular Basin
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Verified Water Depth for Open Rectangular Basin
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Open Wells (3)
Verified Depression Head for Flow Discharge into well
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Verified Flow Discharge into Well
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Verified Proportionality Constant for Flow Discharge into well
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OSD (3)
Verified Minimum Overtaking Distance
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Verified Spacing between Vehicles given Total Time of Travel in Overtaking Sight distance
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Verified Total Time of Travel in Overtaking Sight distance
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7 More OSD Calculators
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Other Formulae (3)
Verified Baird and McIllwraith (1951) Formula for Maximum Flood Discharge
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Verified Fuller's formula for Maximum Flood Discharge
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Verified Jarvis Formula for Peak Discharge
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Parabolic Curves (2)
Verified Distance from PVC to Lowest Point on Sag Curve
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Verified Rate of Change of Grade given Distance from PVC to Lowest Point on Sag Curve
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5 More Parabolic Curves Calculators
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Parametric Spectrum Models (11)
Verified Dimensionless Time
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Verified Frequency of Spectral Peak
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Verified Frequency of Spectral Peak Given Wind Speed
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Verified Maximum Controlling Parameter for Angular Distribution
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Verified Shape Factor for Higher Frequency Component
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Verified Significant Wave Height given Significant Wave Height of Lower and Higher frequency Components
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Verified Significant Wave Height of Higher Frequency Component
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Verified Significant Wave Height of Lower Frequency Component
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Verified Weighing Factor for Angular Frequency greater than One
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Verified Weighing Factor for Angular Frequency Lesser than or Equal to One
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Verified Wind Speed given Maximum Controlling Parameter for Angular Distribution
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8 More Parametric Spectrum Models Calculators
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Path followed by the main Undercarriage of Taxiing Aircraft (2)
Verified Datum Length of Aircraft given Deviation of main Undercarriage
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Verified Deviation of Main Undercarriage
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Perpendicular Offsets from Tangents (2)
Created Approximate Equation for Offset at Distance x from Mid-Point
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Created Radius given Approximate Equation for Offset
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Phase Difference Method (5)
Created Double Path Measurement
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Created Fraction Part of Wavelength
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Created Fraction Part of Wavelength given Double Path Measurement
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Created Integer Part of Wavelength for given Double Path
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Created Wavelength given Double Path
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Pipe Stresses Perpendicular To The Longitudinal Axis (2)
Verified Internal Pressure of Pipe
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Verified Outside Diameter of Pipe given Internal Pressure
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1 More Pipe Stresses Perpendicular To The Longitudinal Axis Calculators
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Plain Suction Dredge (5)
Verified Concentration of Soil in Volumetric Basis
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Verified Specific Weight of Dry Sand Grains for Concentration of Soil in Volumetric Basis
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Verified Specific Weight of Mixture for Concentration of Soil in Volumetric Basis
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Verified Specific Weight of Mixture in Suction Pipe for Concentration of Soil in Volumetric Basis
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Verified Specific Weight of Water in Suction Pipe
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4 More Plain Suction Dredge Calculators
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Plate Girders in Buildings (5)
Created Allowable Bending Stress in Compression Flange
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Created Depth to Thickness Ratio of Girder with Transverse Stiffeners
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Created Hybrid Girder Factor
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Created Maximum Depth to Thickness Ratio for Unstiffened Web
Go
Created Plate Girder Stress Reduction Factor
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Porosity (2)
Verified Porosity given Bulk Pore Velocity
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Verified Volume of Solids given Porosity
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3 More Porosity Calculators
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Post-Tensioned Members (13)
Created Area of Concrete Section given Prestress Drop
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Created Average Stress for Parabolic Tendons
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Created Change in Eccentricity of Tendon A due to Parabolic Shape
Go
Created Change in Eccentricity of Tendon B due to Parabolic Shape
Go
Created Component of Strain at Level of First Tendon due to Bending
Go
Created Prestress Drop
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Created Prestress Drop given Modular Ratio
Go
Created Prestress Drop given Strain due to Bending and Compression in Two Parabolic Tendons
Go
Created Prestress Drop given Stress in concrete at Same Level due to Prestressing Force
Go
Created Prestress Drop when Two parabolic Tendons are Incorporated
Go
Created Stress in Concrete given Prestress Drop
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Created Variation of Eccentricity of Tendon B
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Created Variation of Eccentricity on Tendon A
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Post-Tensioned Members (12)
Verified Allowable Bearing Stress in Local Zone
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Verified Allowable Stress given End Zone Reinforcement
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Verified Bearing Stress in Local Zone
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Verified Bursting Force for Square End Zone
Go
Verified Cube Strength at Transfer given Allowable Bearing Stress
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Verified End Zone Reinforcement along Transmission Length
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Verified End Zone Reinforcement in each Direction
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Verified Length of Side of Bearing Plate given Bursting Force for Square End Zone
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Verified Prestress in Tendon given Bearing Stress
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Verified Prestress in Tendon given Bursting Force for Square End Zone
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Verified Stress in Transverse Reinforcement given End Zone Reinforcement
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Verified Transverse Dimension of End Zone given Bursting Force for Square End Zone
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Potential Energy (6)
Verified Length given potential energy due to deformation of free surface
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Verified Potential energy due to deformation of free surface
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Verified Potential Energy per unit width in one wave
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Verified Surface elevation given potential energy due to deformation of free surface
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Verified Wave Height given Potential Energy per Unit Width in One Wave
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Verified Wavelength for potential energy per unit width in one wave
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Potential Evapotranspiration of Crops (10)
Verified Potential Evapotranspiration of Cotton
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Verified Potential Evapotranspiration of Dense Natural Vegetation
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Verified Potential Evapotranspiration of Light Natural Vegetation
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Verified Potential Evapotranspiration of Maize
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Verified Potential Evapotranspiration of Medium Natural Vegetation
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Verified Potential Evapotranspiration of Potatoes
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Verified Potential Evapotranspiration of Rice
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Verified Potential Evapotranspiration of Sugarcane
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Verified Potential Evapotranspiration of Very Dense Vegetation
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Verified Potential Evapotranspiration of Wheat
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Power obtained from Water Flow (2)
Verified Power obtained from Water Flow in Horsepower
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Verified Power obtained from Water Flow in Kilowatt given Effective Head
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1 More Power obtained from Water Flow Calculators
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Practical Channel Sections (2)
Verified Hydraulic Radius of Trapezoidal Channel Section
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Verified Wetted Perimeter of Trapezoidal Channel Section
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6 More Practical Channel Sections Calculators
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Precipitation (2)
Verified Dredge or Burge Formula
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Verified Total Runoff over Catchment
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3 More Precipitation Calculators
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Predicting Waves in Deep Water (3)
Verified Significant Wave Height from Bretschneider Empirical Relationships
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Verified Water Depth given Wavelength, Wave Period and Water Number
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Verified Wave Number given Wavelength, Wave Period and Water Depth
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1 More Predicting Waves in Deep Water Calculators
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Pressure Component (6)
Verified Atmospheric Pressure given Gauge Pressure
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Verified Friction Velocity given Dimensionless Time
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Verified Water Depth given Wave Celerity for Shallow Water
Go
Verified Water Surface Elevation
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Verified Water Surface Elevation of Two Sinusoidal Wave
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Verified Wave celerity for shallow water given water depth
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10 More Pressure Component Calculators
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Pressure Diagram (3)
Verified Depth of Center of Pressure
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Verified Pressure Intensity for Bottom Edge of Plane Surface
Go
Verified Vertical Depth given Pressure Intensity for Bottom Edge of Plane Surface
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4 More Pressure Diagram Calculators
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Pressure Reference Factor (3)
Verified Pressure given Pressure Response Factor
Go
Verified Pressure Reference Factor
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Verified Pressure taken as Gauge Pressure relative to Wave Mechanics
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4 More Pressure Reference Factor Calculators
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Pre-Tensioned Members (9)
Created Initial Prestress given Prestress after Immediate Loss
Go
Created Initial Strain in Steel for Known Strain due to Elastic Shortening
Go
Created Modular Ratio given Prestress after Immediate Loss
Go
Created Prestress Drop given Initial Prestress Force
Go
Created Prestress Drop given Pressure after Immediate Loss
Go
Created Prestressing Force after Immediate Loss given Initial Prestress
Go
Created Residual Strain in Steel for Known Strain due to Elastic Shortening
Go
Created Strain in Concrete due to Elastic Shortening
Go
Created Transformed Area of Prestress Member for Known Pressure Drop
Go
Pre-Tensioned Members (3)
Verified Bond Length given Development Length of Section
Go
Verified Development Length of Section
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Verified Transmission Length given Development Length of Section
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Probable Maximum Precipitation (PMP) (1)
Verified Statistical Approach of PMP by using Chow's Equation
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2 More Probable Maximum Precipitation (PMP) Calculators
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Project Evaluation and Review Technique (17)
Created Earliest Expected Occurrence Time of Event i
Go
Created Earliest Expected Occurrence Time of Event j
Go
Created Expected Time given Probability Factor
Go
Created Expected Time of Activity i-j
Go
Created Least Allowable Occurrence Time of Event i
Go
Created Least Allowable Occurrence Time of Event j
Go
Created Mean or Expected Time
Go
Created Most Likely Time given Expected Time
Go
Created Optimistic Time given Expected Time
Go
Created Optimistic Time given Standard Deviation
Go
Created Pessimistic Time given Expected Time
Go
Created Pessimistic Time given Standard Deviation
Go
Created Probability Factor
Go
Created Scheduled Time given Probability Factor
Go
Created Slack of Event i or j
Go
Created Standard Deviation given Probability Factor
Go
Created Standard Deviation of Activity
Go
Propeller Drag (3)
Verified Expanded or Developed Blade Area of Propeller given Propeller Drag
Go
Verified Propeller Drag Coefficient given Propeller Drag
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Verified Propeller Drag due to Form Drag of Propeller with Locked Shaft
Go
Pulse Method (3)
Created Completion Time for given Distance of Path
Go
Created Distance Measured
Go
Created Velocity in Medium given Distance
Go
Radar measurement of Rainfall (3)
Verified Intensity of Rainfall given Radar Echo Factor
Go
Verified Radar Echo Factor using Intensity
Go
Verified Radar Measurement of Rainfall
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Radius of Pipe (1)
Verified Radius of Pipe given Velocity at any Point in Cylindrical Element
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4 More Radius of Pipe Calculators
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Rainfall Erosivity Factor (1)
Verified Rainfall Erosion Index Unit of Storm
Go
2 More Rainfall Erosivity Factor Calculators
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Rainfall Infiltration Method (4)
Verified Catchment Area when Recharge from Rainfall is Considered
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Verified Normal Rainfall in Monsoon Season
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Verified Rainfall Infiltration Factor when Recharge from Rainfall is Considered
Go
Verified Recharge from Rainfall in Monsoon Season by Rainfall Infiltration Method
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Rainfall-Runoff Correlation (9)
Verified Annual Precipitation in (i-1)th year given Antecedent Precipitation
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Verified Annual Precipitation in (i-2)th year given Antecedent Precipitation
Go
Verified Annual Precipitation in i-th year given Antecedent Precipitation
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Verified Antecedent Precipitation Index
Go
Verified Equation of Straight-line Regression between Runoff and Rainfall
Go
Verified Exponential Relationship for Larger Catchments
Go
Verified Precipitation using Runoff from Exponential Relationship
Go
Verified Precipitation using Runoff in Straight Line Regression between Runoff and Rainfall
Go
Verified Runoff Rainfall Regression by Logarithmic Transformation
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Rainwater Accumulation and Drainage on Bridges (1)
Verified Deck Width for Handling Rainwater Runoff to Drain Scuppers
Go
6 More Rainwater Accumulation and Drainage on Bridges Calculators
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RAS Pumping Rate (2)
Verified RAS Pumping Rate from Aeration Tank
Go
Verified RAS Pumping Rate using Recirculation Ratio
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Rational Method to Estimate the Flood Peak (11)
Verified Coefficient of Runoff when Peak Discharge for Field Application is Considered
Go
Verified Coefficient of Runoff when Peak Value is Considered
Go
Verified Drainage Area given Peak Discharge for Field Application
Go
Verified Drainage Area when Peak Discharge for Field Application is Considered
Go
Verified Drainage Area when Peak Discharge is Considered
Go
Verified Intensity of Precipitation when Peak Discharge for Field Application is Considered
Go
Verified Intensity of Rainfall when Peak Discharge is Considered
Go
Verified Peak Discharge Equation based on Field Application
Go
Verified Peak Discharge for Field Application
Go
Verified Peak value of runoff
Go
Verified Value of Peak Discharge
Go
Recirculation Factor (2)
Verified Recirculation Factor
Go
Verified Recirculation Factor given Efficiency of Second Filter Stage
Go
Recirculation Ratio (1)
Verified Recirculation Ratio of Wastewater
Go
1 More Recirculation Ratio Calculators
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Recommended value for Rainfall Factor for Various Hydrogeologic Conditions based on Norms (13)
Verified Recharge from Rainfall in Alluvial Indo Gangetic and Inland Areas
Go
Verified Recharge from Rainfall in East Coast Alluvial Areas
Go
Verified Recharge from Rainfall in Hard Rock Areas consisting Massive Poorly Fractured Rocks
Go
Verified Recharge from Rainfall in Hard Rock Areas of Consolidated Sandstone
Go
Verified Recharge from Rainfall in Hard Rock Areas with Granulite Facies
Go
Verified Recharge from Rainfall in Hard Rock Areas with Laterite
Go
Verified Recharge from Rainfall in Hard Rock Areas with Low Clay Content
Go
Verified Recharge from Rainfall in Hard Rock Areas with Phyllites, Shales
Go
Verified Recharge from rainfall in hard rock areas with semi consolidated sandstone
Go
Verified Recharge from Rainfall in Hard Rock Areas with Significant Clay Content
Go
Verified Recharge from Rainfall in Hard Rock Areas with Vesicular and Jointed Basalt
Go
Verified Recharge from Rainfall in Hard Rock Areas with Weathered Basalt
Go
Verified Recharge from Rainfall in West Coast Areas based on Recommended Rainfall Infiltration Factor
Go
Recommended value of Specific Yield for Various Hydrogeologic Conditions based on Norms (13)
Verified Possible Recharge in Clayey Alluvium Areas based on Known Norms of Specific Yield
Go
Verified Possible Recharge in Hard Rock Areas of massive Poorly fractured Rocks
Go
Verified Possible Recharge in Hard Rock Areas with karstified Limestone
Go
Verified Possible Recharge in Hard Rock Areas with Laterite
Go
Verified Possible Recharge in Hard Rock Areas with Limestone
Go
Verified Possible Recharge in Hard Rock Areas with Phyllites, Shales given recommended specific Yield
Go
Verified Possible Recharge in Hard Rock Areas with Quartzite
Go
Verified Possible Recharge in Hard Rock Areas with Sandstone
Go
Verified Possible Recharge in Hard Rock Areas with Weathered or vesicular, Jointed Basalt
Go
Verified Possible Recharge in Sandy Alluvium Areas based on Known norms of Recommended Specific Yield
Go
Verified Possible Recharge in Silty Alluvium Areas based on Known norms of Recommended Specific Yield
Go
Verified Possible Recharge in Weathered Hard Rock Areas with Low Clay content based on Recommended Norms
Go
Verified Possible Recharge in Weathered Hard Rock Areas with Significant Clay content based on Norms
Go
Recovery of Piezometric Head (5)
Verified Discharge about straight-line slope
Go
Verified Equation for Residual Drawdown
Go
Verified Equation for Residual Drawdown for small values of Distance and large values of Time
Go
Verified Equation for Slope of Line
Go
Verified Transmissibility about straight-line slope
Go
Recuperation Test (4)
Verified Area of well given time interval
Go
Verified Depression Head when Discharge from Open Well is Considered
Go
Verified Equation for Time Interval
Go
Verified Proportionality constant per unit well area of aquifer
Go
5 More Recuperation Test Calculators
Go
Relation between Forces on the Prototype and Forces on the Model (8)
Verified Force on Model for Scale Factor Parameters
Go
Verified Force on Model given Force on Prototype
Go
Verified Force on Prototype
Go
Verified Relation between Forces on Prototype and Forces on Model
Go
Verified Scale Factor for Density of Fluid given Forces on Prototype and Model
Go
Verified Scale Factor for Inertia Forces given Force on Prototype
Go
Verified Scale Factor for Length given Forces on Prototype and Force on Model
Go
Verified Scale Factor for Velocity given Forces on Prototype and Force on Model
Go
10 More Relation between Forces on the Prototype and Forces on the Model Calculators
Go
Relative Importance of Viscosity (5)
Verified Length Scale given Relative Importance of Viscosity
Go
Verified Relative Importance of Viscosity given Length and Velocity Scales
Go
Verified Relative Importance of Viscosity given Reynolds Number
Go
Verified Reynolds Number given Relative importance of Viscosity
Go
Verified Velocity Scale given Relative Importance of Viscosity
Go
Required flow velocity (2)
Verified Coefficient of Roughness given Full Flow Velocity in Sewer
Go
Verified Flow Quantity for Full Flowing Sewer
Go
6 More Required flow velocity Calculators
Go
Reservoir Evaporation and Methods of Reduction (1)
Verified Pan Evaporation Loss
Go
4 More Reservoir Evaporation and Methods of Reduction Calculators
Go
Return Period and Encounter Probability (5)
Verified Mean Value of Maximum Monthly Wind Speeds for Wind Speed with r-year Return Period
Go
Verified Significant Wave Height for Free Long Waves
Go
Verified Standard Deviation of Maximum Monthly Wind Speeds given Wind Speed with r-year Return Period
Go
Verified Velocity at Surface given Volume Flow Rate Per Unit of Ocean Width
Go
Verified Wind Speed with r-year Return Period
Go
4 More Return Period and Encounter Probability Calculators
Go
Risk, Reliability and Safety Factor (1)
Verified Reliability using Return Period
Go
10 More Risk, Reliability and Safety Factor Calculators
Go
River Navigation (7)
Verified Average depth given friction factor for propagation velocity of tide wave
Go
Verified Average depth given propagation velocity of tide wave
Go
Verified Chezy's friction factor given friction factor for propagation velocity of tide wave
Go
Verified Friction factor for propagation velocity of tide wave
Go
Verified Maximum flood current given friction factor for propagation velocity of tide wave
Go
Verified Propagation velocity of tide wave
Go
Verified Tidal period for friction factor and propagation velocity of tide wave
Go
Roof Slope to Prevent Ponding (1)
Created Factor for Multiplying Stresses and Deflections under Existing Loads
Go
Runway Takeoff Length (6)
Verified Aerodrome Reference Temperature given Corrected Take off Length
Go
Verified Runway Elevation given Runway Take off Length Corrected for Elevation
Go
Verified Runway Slope about Take-off Length Corrected for Elevation, Temperature and Slope
Go
Verified Runway Take off Length Corrected for Elevation
Go
Verified Runway Take off Length Corrected for Elevation, Temperature and Slope
Go
Verified Runway Takeoff Length Corrected for Elevation and Temperature
Go
Ryves Formula (1884) (2)
Verified Catchment area when maximum flood discharge in Ryve's formula
Go
Verified Ryves Formula for maximum flood discharge
Go
3 More Ryves Formula (1884) Calculators
Go
Salinity Variations with Tide (18)
Verified Apparent Dispersion Coefficient which includes all Mixing Effects
Go
Verified Coordinate along Channel given Apparent Dispersion Coefficient
Go
Verified Diffusion Coefficient
Go
Verified Dimensionless Estuary number
Go
Verified Dimensionless Stratification Number
Go
Verified Estuary Number given Froude Number and Mixing Parameter
Go
Verified Fresh Water River Flow given Dimensionless Estuary number
Go
Verified Fresh Water River Flow given Mixing Parameter
Go
Verified Froude Number based upon maximum flood current velocity at estuary mouth
Go
Verified Froude Number given Dimensionless Estuary number
Go
Verified Mixing Parameter
Go
Verified Mixing Parameter given Dimensionless Estuary number
Go
Verified Rate of Potential Energy Gain given Dimensionless Stratification Number
Go
Verified Salinity at Moment of Slack Water
Go
Verified Tidal Period given Mixing Parameter
Go
Verified Tide Period given Dimensionless Estuary number
Go
Verified Volume of tidal prism given dimensionless estuary number
Go
Verified Volume of tidal prism given mixing parameter
Go
1 More Salinity Variations with Tide Calculators
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Saltwater Encroachment (3)
Verified Equation for varying dimensionless group in Theis equation
Go
Verified Ghyben Herzberg relationship for Depth of Freshwater below Sea Level
Go
Verified Height of water table above sea level
Go
Sanitary system sewer design (10)
Verified Fire Demand for Cities of Less than 200,000 Population
Go
Verified Flow Rate through Pipe using Manning Formula
Go
Verified Infiltration given Total Infiltration to Sanitary Sewer
Go
Verified Manning's Formula for Conveyance Factor given Flow Rate through Pipe
Go
Verified Manning's Formula for Pipe Slope given Flow Rate through Pipe
Go
Verified Population Density given Sanitary Sewer System Flow Rate
Go
Verified Quantity of Sewage Produced Per Day given Sanitary Sewer System Flow Rate
Go
Verified Sanitary Sewer System Flow Rate
Go
Verified Sewer System Length given Total Infiltration to Sanitary Sewer
Go
Verified Total Infiltration to Sanitary sewer
Go
SayBolt Universal Viscometer (1)
Verified Kinematic Viscosity given Time
Go
Scale Factor (6)
Verified Scale Factor for Acceleration
Go
Verified Scale Factor for Density of Fluid given Scale Factor for Inertia Forces
Go
Verified Scale Factor for Inertia Forces
Go
Verified Scale Factor for Length given Scale Factor for Inertia Forces
Go
Verified Scale Factor for Velocity given Scale Factor for Acceleration
Go
Verified Scale Factor for Velocity given Scale Factor for Inertia Forces
Go
9 More Scale Factor Calculators
Go
SCS Triangular Unit Hydrograph (13)
Verified Base Length in SCS Triangular Unit Hydrograph
Go
Verified Catchment Area given Peak Discharge
Go
Verified Duration of Effective Rainfall for given Time of Peak
Go
Verified Duration of Effective Rainfall given Time of Peak
Go
Verified Lag Time given Time of Peak
Go
Verified Peak Discharge
Go
Verified Time of Concentration given Time of Peak
Go
Verified Time of Peak given Base Length
Go
Verified Time of Peak given Peak Discharge
Go
Verified Time of Peak given Time of Concentration
Go
Verified Time of Peak given Time of Recession
Go
Verified Time of Peak or Time of Rise
Go
Verified Time of Recession as Suggested in SCS
Go
Seawall Trap Ratio (8)
Verified Active Sediment Volume given Seawall Trap Ratio
Go
Verified Depth of Closure given Volume of Sand per unit Length of Shoreline
Go
Verified Depth of Closure given Volume per unit Length of Shoreline
Go
Verified Design Berm Elevation given Volume per unit Length of Shoreline
Go
Verified Seawall Trap Ratio
Go
Verified Volume of Sand per unit Length of Shoreline placed before there is any Dry Beach after Equilibrium
Go
Verified Volume per unit Length of Shoreline required to produce Beach Width
Go
Verified Wall Trap Volume given Seawall Trap Ratio
Go
Seiches (4)
Verified Length of Basin given Natural Free Oscillating Period of Basin
Go
Verified Natural Free Oscillating Period of Basin
Go
Verified Number of Nodes along axis of Basin given Natural Free Oscillating Period of Basin
Go
Verified Water Depth given Natural Free Oscillating Period of Basin
Go
Seismic Loads (1)
Verified Fundamental Period for other Buildings
Go
20 More Seismic Loads Calculators
Go
Sensitiveness of Level Tube (6)
Created Angle between Line of Sights given Radius of Curvature
Go
Created Angle between Line of Sights in Radians
Go
Created Distance from Instrument to Staff given Angle between LOS
Go
Created Number of Division where Bubble Moves given Staff Intercept
Go
Created Radius of Curvature of Tube
Go
Created Staff Intercept given Angle between LOS
Go
Sequent Peak Algorithm (3)
Verified Inflow Volume given Net Flow Volume
Go
Verified Net Flow Volume
Go
Verified Outflow Volume given Net Flow Volume
Go
Setting Out Curve using Offsets from Chords (5)
Created Deflection Angle of First Chord
Go
Created First Offset given First Chord Length
Go
Created Length of First Chord for given Deflection Angle of First Chord
Go
Created N-th Offset using Chords Produced
Go
Created Second Offset using Chord Lengths
Go
Shear in Buildings (3)
Created Shear Capacity for Web Slenderness less than Alpha
Go
Created Shear Capacity if Web Slenderness is between 1 and 1.25 alpha
Go
Created Shear Capacity if Web Slenderness is greater than 1.25 alpha
Go
Shear on Connectors (3)
Verified Actual Area of Effective Concrete Flange given Total Horizontal Shear
Go
Verified Specified Compressive Strength of Concrete given Total Horizontal Shear
Go
Verified Total Horizontal Shear
Go
6 More Shear on Connectors Calculators
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Shear Reinforcement (4)
Created Area of Steel Required in Vertical Stirrups
Go
Created Nominal Shear Strength of Concrete
Go
Created Nominal Shear Strength Provided by Reinforcement
Go
Created Ultimate Shear Capacity of Beam Section
Go
8 More Shear Reinforcement Calculators
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Simple Circular Curve (11)
Created Apex Distance
Go
Created Deflection Angle given Length of Curve
Go
Created Length of Curve
Go
Created Length of Curve if 20m Chord Definition
Go
Created Length of Curve if 30m Chord Definition
Go
Created Mid Ordinate
Go
Created Radius given Apex Distance
Go
Created Radius of Curve given Length
Go
Created Radius of Curve given Long Chord
Go
Created Radius of Curve given Tangent
Go
Created Tangent Length
Go
Single-Well Tests (5)
Verified Drawdown in aquifer caused by pumping at any point in aquifer
Go
Verified Drawdown in aquifer for total drawdown
Go
Verified Total Drawdown in Pumping Well
Go
Verified Total Drawdown in Pumping Well expressed given Factors related to Hydraulic Characteristics
Go
Verified Well Loss for Total Drawdown
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Singly Reinforced Flanged Sections (1)
Verified Total Compressive Force given Area and Tensile Steel Stress
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2 More Singly Reinforced Flanged Sections Calculators
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Singly Reinforced Rectangular Sections (1)
Verified Stress in Steel
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8 More Singly Reinforced Rectangular Sections Calculators
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Singly Reinforced Rectangular Sections (3)
Created Bending Moment Capacity of Ultimate Strength given Area of Tension Reinforcement
Go
Created Bending Moment Capacity of Ultimate Strength given Beam Width
Go
Created Distance from Extreme Compression Surface to Neutral Axis in Compression Failure
Go
Skin Friction (4)
Verified Average Current Speed given Skin Friction of Vessel
Go
Verified Reynolds Number given Skin Friction Coefficient
Go
Verified Skin Friction Coefficient as Function of Reynolds Number
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Verified Wetted Surface Area of Vessel given Skin Friction
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2 More Skin Friction Calculators
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Sleepers (3)
Created Composite Sleeper Index
Go
Created General Strength of Material given CSI
Go
Created Hardness of Material given CSI
Go
Slope Corrections (5)
Verified Horizontal Distance in Slope Measurements
Go
Verified Horizontal offset given Slope Correction for Slopes of 10 Percent or Less
Go
Verified Slope Correction for Slopes Greater than 10 Percent
Go
Verified Slope Correction for Slopes of 10 Percent or Less
Go
Verified Slope Distance given Slope Correction for Slopes of 10 Percent or Less
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Slope protection (2)
Verified Molitor-Stevenson equation for Height of Waves for Fetch more than 20 miles
Go
Verified Velocity when Wave Heights between 1 and 7 feet
Go
3 More Slope protection Calculators
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Slope-Area Method (3)
Verified Eddy Loss
Go
Verified Frictional Loss
Go
Verified Head loss in Reach
Go
SMB Prediction Method (5)
Verified Fetch Length given Fetch Parameter in SMB Prediction Method
Go
Verified Fetch Parameter in SMB Prediction Method
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Verified Significant Wave Height in SMB Prediction Method
Go
Verified Wind Speed for Significant Wave Height in SMB Prediction Method
Go
Verified Wind Speed given Period of Significant Wave in SMB Prediction Method
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4 More SMB Prediction Method Calculators
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Snow Loads (3)
Verified Ground Snow Load given Roof Snow Load
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Verified Importance Factor for End Use using Roof Snow Load
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Verified Roof Snow Load given Roof Type
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5 More Snow Loads Calculators
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Solid Rectangular or Square Columns with Flat Ends (4)
Created Allowable Unit Load for Douglas Fir Lumber
Go
Created Allowable Unit Load for Hemlock Lumber
Go
Created Allowable Unit Load for Longleaf Yellow Pine Lumber
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Created Allowable Unit Load for Southern Cypress Lumber
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Solitary Wave (17)
Verified Celerity of Solitary Wave
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Verified Elevation above Bottom given Pressure Beneath Solitary Wave
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Verified Empirical Relationship between Slope and Breaker Height-to-Water Depth Ratio
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Verified Maximum Velocity of Solitary Wave
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Verified Pressure Beneath Solitary Wave
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Verified Total Wave Energy per Unit Crest Width of Solitary Wave
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Verified Volume of Water above Still Water Level per Unit Crest Width
Go
Verified Water Depth Given Celerity of Solitary Wave
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Verified Water Depth Given Total Wave Energy per Unit Crest Width of Solitary Wave
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Verified Water Depth Given Volume of Water within Wave above Still Water Level
Go
Verified Water Surface above Bottom
Go
Verified Water Surface above Bottom given Pressure Beneath Solitary Wave
Go
Verified Wave Height for Total Wave Energy per Unit Crest Width of Solitary Wave
Go
Verified Wave Height given Celerity of Solitary Wave
Go
Verified Wave Height Given Volume of Water within Wave above Still Water Level
Go
Verified Wave Height of Unbroken Wave in Water of Finite Depth
Go
Verified Wavelength of Regions of Validity Stokes and Cnoidal Wave Theory
Go
Source of Water Derived from Wells (8)
Verified Balance equation when reduction in natural discharge equal rate of withdrawal
Go
Verified Equation for ground water storage when recharge exceeds discharge
Go
Verified Equation for rate of natural discharge when cone of depression ceases to expand
Go
Verified Equation for recharge when discharge exceeds recharge
Go
Verified Equation for recharge when recharge exceeds discharge
Go
Verified Natural discharge when discharge exceeds recharge
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Verified Natural discharge when recharge exceeds discharge
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Verified Observed drawdown in unconfined aquifer
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Specific Capacity (2)
Verified Specific Capacity and Discharge into Well Relationship
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Verified Specific Capacity under Unsteady Drawdown Conditions
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1 More Specific Capacity Calculators
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Specific Energy and Critical Depth (4)
Verified Discharge through Area
Go
Verified Top Width of Section through Section Considering Condition of Minimum Specific Energy
Go
Verified Total Energy per unit Weight of Water in Flow Section considering Bed Slope as Datum
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Verified Volume of Liquid Considering Condition of Maximum Discharge
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19 More Specific Energy and Critical Depth Calculators
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Speed Factor (6)
Created Speed Factor
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Created Speed Factor according to German Formula
Go
Created Speed Factor using German Formula and Speed is above 100kmph
Go
Created Speed given Speed Factor
Go
Created Speed using German Formula
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Created Track Modulus given Speed Factor
Go
SSC-CN Equation for Indian Conditions (3)
Verified Daily Runoff for Black Soils Type I and Soil having AMC of Type I, II and III for Indian Conditions
Go
Verified Daily Runoff in Smaller Catchments under SCS
Go
Verified Daily Runoff valid for Black Soils under AMC of type I and II for Indian Conditions
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Stadia Surveying (8)
Created Distance Equation given Index Error
Go
Created Horizontal Distance using Gradienter
Go
Created Stadia Interval
Go
Created Staff Intercept
Go
Created Staff Intercept in Gradienter given Horizontal Distance
Go
Created Staff Intercept in Gradienter given Vertical Distance
Go
Created Vertical Distance between Instrument Axis and Lower Vane
Go
Created Vertical Distance using Gradienter
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5 More Stadia Surveying Calculators
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Stage-Discharge Relationship (8)
Verified Actual Discharge from Backwater Effect on Rating Curve Normalized Curve
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Verified Actual Fall at Stage given Actual Discharge
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Verified Gauge Height given Discharge for Non-Alluvial Rivers
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Verified Measured Unsteady Flow
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Verified Normal Discharge at given Stage under Steady Uniform Flow
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Verified Normalized Discharge of Backwater Effect on Rating Curve Normalized Curve
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Verified Normalized Value of Fall given Discharge
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Verified Relationship between Stage and Discharge for Non-Alluvial Rivers
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1 More Stage-Discharge Relationship Calculators
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Standard Fourth-Order Range Kutta Method (2)
Verified Water Surface Elevation at i'th step in Standard Fourth-Order Runge-Kutta Method
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Verified Water Surface Elevation in Standard Fourth-Order Runge-Kutta Method
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Static Salt Wedge (7)
Verified Fresh Water River Flow given Net Outflow through Cross-section
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Verified Inflow to Wedge given Net Outflow through Cross-section
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Verified Inflow to Wedge given respective Salinities
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Verified Net Outflow through Cross-section
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Verified Net Outflow through Cross-section given respective Salinities
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Verified Respective Salinities at Location 2 given Inflow Flow in Wedge
Go
Verified Respective Salinities at Location given Inflow Flow in Wedge
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1 More Static Salt Wedge Calculators
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Steady Flow into a Well (10)
Verified Change in Piezometric Head
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Verified Change in Radial Distance
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Verified Cylindrical Surface through which Velocity of Flow Occurs
Go
Verified Discharge entering cylindrical surface to well discharge
Go
Verified Discharge Observed at Edge of Zone of Influence
Go
Verified Equilibrium Equation for Flow in Confined Aquifer at Observation Well
Go
Verified Thiem's equilibrium equation for steady flow in confined aquifer
Go
Verified Transmissivity when Discharge and Drawdowns are considered
Go
Verified Transmissivity when discharge at edge of zone of influence
Go
Verified Velocity of flow by Darcy's Law at Radical Distance
Go
Steady Laminar Flow in Circular Pipes – Hagen Poiseuille Law (1)
Verified Distance of Element from Center Line given Velocity at any point in Cylindrical Element
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11 More Steady Laminar Flow in Circular Pipes – Hagen Poiseuille Law Calculators
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Steel Yield Strength (1)
Verified Steel Yield Strength for Braced Non-Compact Section for LFD given Maximum Unbraced Length
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4 More Steel Yield Strength Calculators
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Strange's Runoff Volume Percentage (6)
Verified Precipitation given Runoff Volume Percentage for Damp AMC
Go
Verified Precipitation given Runoff Volume Percentage for Dry AMC
Go
Verified Precipitation given Runoff Volume Percentage for Wet AMC
Go
Verified Runoff Volume Percentage for Damp AMC
Go
Verified Runoff Volume Percentage for Dry AMC
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Verified Runoff Volume Percentage for Wet AMC or Antecedent Moisture Condition
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Stresses in Thin Shells (7)
Created Central Shear given Shearing Stress
Go
Created Distance from Middle Surface given Normal Shearing Stress
Go
Created Distance from Middle Surface given Normal Stress in Thin Shells
Go
Created Normal Shearing Stresses
Go
Created Normal Stress in Thin Shells
Go
Created Shearing Stresses on Shells
Go
Created Twisting Moments given Shearing Stress
Go
Stresses of Members Subjected to Axial Loading (2)
Verified Angle of Oblique Plane using Shear Stress and Axial Load
Go
Verified Stress along Y-direction when Member Subjected to Axial Load
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4 More Stresses of Members Subjected to Axial Loading Calculators
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Superelevation (5)
Created Cant given Width of Pavement
Go
Created Gauge Width of Track given Cant
Go
Created Pavement Width given Cant
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Created Radius of Curve given Cant for Road
Go
Created Railway Cant
Go
Supports at Same Level (2)
Verified Horizontal Component of Cable Tension for UDL
Go
Verified Span Length given Vertical Reaction at Supports
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8 More Supports at Same Level Calculators
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Surge due to Sudden Increase of Flow (1)
Verified Absolute Velocity of Surge Moving towards Right
Go
8 More Surge due to Sudden Increase of Flow Calculators
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Surge due to Sudden Reduction of Flow (9)
Verified Celerity of Wave given Surge Height for Surge Height is Negligible Depth of Flow
Go
Verified Celerity of Wave given Velocity at Depth1
Go
Verified Celerity of Wave in Surges
Go
Verified Depth of Flow2 given Absolute Velocity of Surge Moving towards Right Direction
Go
Verified Depth of Flow2 when Absolute Velocity of Surge when Flow is Completely Stopped
Go
Verified Height of Surges given Celerity of Wave
Go
Verified Velocity at Depth1 given Absolute Velocity of Surge Moving toward Right
Go
Verified Velocity at Depth1 when Absolute Velocity of Surge when Flow is Completely Stopped
Go
Verified Velocity at Depth2 given Absolute Velocity of Surges Moving toward Right
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3 More Surge due to Sudden Reduction of Flow Calculators
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Surveying Vertical Curves (19)
Created Allowable Centrifugal Acceleration given Length
Go
Created Change of Grade given Length
Go
Created Downgrade given Length based on Centrifugal Ratio
Go
Created Length given S is Less than L and Change of Grade
Go
Created Length of Curve Based on Centrifugal Ratio
Go
Created Length of Curve given Change in Grade where S is more than L
Go
Created Length of Curve when Height of Observer and Object are Same
Go
Created Length of Curve when S is Less than L
Go
Created Length of Curve when S is Less than L and h1 and h2 are same
Go
Created Length of Curve when Sight Distance is More
Go
Created Length of Vertical Curve
Go
Created Permissible Grade given Length
Go
Created Sight Distance when Length of Curve is Less
Go
Created Sight Distance when Length of Curve is Less and Both Height of Observer and Object is Same
Go
Created Sight Distance when S is Less than L
Go
Created Sight Distance when S is Less than L and h1 and h2 are same
Go
Created Tangential Correction
Go
Created Upgrade given Length based on Centrifugal Ratio
Go
Created Velocity given Length
Go
Synder's Synthetic- Unit Hydrograph (34)
Verified Basin Lag given Modified Basin Lag
Go
Verified Basin Lag given Modified Basin Lag for Effective Duration
Go
Verified Basin Lag given Peak Discharge
Go
Verified Basin Lag given Standard Duration of Effective Rainfall
Go
Verified Basin Length Measured along Water Course given Basin Lag
Go
Verified Basin Length Measured along Water Course given Modified Equation for Basin Lag
Go
Verified Basin Slope given Basin Lag
Go
Verified Catchment Area given Peak Discharge for Nonstandard Effective Rainfall
Go
Verified Catchment Area given Peak Discharge of Unit Hydrograph
Go
Verified Distance along Main Water Course from Gauging Station given Basin Lag
Go
Verified Distance along Main Water Course from Gauging Station to Watershed
Go
Verified Equation for Catchment Parameter
Go
Verified Modified Basin Lag for Effective Duration
Go
Verified Modified Basin Lag given Peak Discharge for Nonstandard Effective Rainfall
Go
Verified Modified Basin Lag given Time Base
Go
Verified Modified Equation for Basin Lag
Go
Verified Modified Equation for Basin Lag for Effective Duration
Go
Verified Non-Standard Rainfall Duration given Modified Basin Lag
Go
Verified Peak Discharge for Nonstandard Effective Rainfall
Go
Verified Peak Discharge per Unit Catchment Area
Go
Verified Peak discharge per unit Catchment Area given Unit Hydrograph Width at 50 percent Peak Discharge
Go
Verified Regional Constant given Peak Discharge
Go
Verified Regional Constant given Peak Discharge for Nonstandard Effective Rainfall
Go
Verified Regional Constant representing Watershed Slope and Storage Effects
Go
Verified Snyder's Equation
Go
Verified Snyder's Equation for Peak Discharge
Go
Verified Snyder's Equation for Standard Duration of Effective Rainfall
Go
Verified Snyder's Equation for Time Base
Go
Verified Standard Duration of Effective Rainfall given Modified Basin Lag
Go
Verified Standard Effective Duration given Modified Basin Lag
Go
Verified Taylor and Schwartz Equation for Time Base
Go
Verified Width of Unit Hydrograph at 50 percent Peak Discharge
Go
Verified Width of Unit Hydrograph at 50 percent Peak Discharge given 75 percent Discharge
Go
Verified Width of Unit Hydrograph at 75 percent Peak Discharge
Go
Taxiway Width (18)
Verified Clearance between Outer Main Gear Wheel and Taxiway Edge given Taxiway Width
Go
Verified Clearance between Outer Main Gear Wheel and Taxiway Edge given Wing Tip Clearance
Go
Verified Clearance given Separation Distance between Taxiway and Object
Go
Verified Lateral Deviation given Separation Distance between Aircraft Stand Taxi lane-to-object
Go
Verified Maximum Outer Main Gear Wheel Span given Taxiway Width
Go
Verified Separation Distance between Aircraft Stand Taxi lane-to-object
Go
Verified Separation Distance between Runway and Parallel Taxiway
Go
Verified Separation Distance between Taxiway and Object
Go
Verified Separation Distance given Wing Tip Clearance
Go
Verified Strip Width given Separation Distance between Runway and Parallel Taxiway
Go
Verified Taxiway Width
Go
Verified Wing Span given Separation Distance between Aircraft Stand Taxi lane-to-object
Go
Verified Wing Span given Separation Distance between Runway and Parallel Taxiway
Go
Verified Wing Span given Separation Distance between Taxiway and Object
Go
Verified Wing Span given Wing Tip Clearance
Go
Verified Wing Tip Clearance given Separation Distance between Aircraft Stand Taxi lane-to-object
Go
Verified Wing Tip Clearance given Separation Distance between Runway and parallel Taxiway
Go
Verified Wing Tip Clearance given Separation Distance between Taxiway and Object
Go
Temperature Corrections (1)
Verified Temperature Corrections for Incorrect Tape Length
Go
4 More Temperature Corrections Calculators
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Temperature Stresses and Strains (1)
Verified Diameter of Tyre given Temperature Strain
Go
8 More Temperature Stresses and Strains Calculators
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Test Affected by Lateral Boundaries (4)
Verified Distance from observation well to image well
Go
Verified Distance from observation well to real well
Go
Verified Time at which Drawdown is Caused by Image Well at Observation Well
Go
Verified Time at which drawdown is caused by real well at observation well
Go
The Indian Practice (10)
Verified Catchment Area for Peak Discharge of Weighted Mean Slope Lesser than 0.0028
Go
Verified Catchment Area given Lag Time of 1-h Unit Hydrograph
Go
Verified Catchment Area given Peak Discharge of D-h Unit Hydrograph
Go
Verified Duration of Rainfall Excess
Go
Verified Lag Time of 1-h Unit Hydrograph
Go
Verified Lag Time of 1-h Unit Hydrograph given Duration of Rainfall Excess
Go
Verified Peak Discharge of D-h Unit Hydrograph
Go
Verified Peak Discharge of D-h Unit Hydrograph for Weighted Mean Slope Lesser than 0.0028
Go
Verified Peak Discharge of D-h Unit Hydrograph given Lag Time
Go
Verified Weighted Mean Slope given Peak Discharge of D-h Unit Hydrograph
Go
The Keulegan-Carpenter Number (11)
Verified Amplitude of Flow Velocity Oscillation
Go
Verified Amplitude of Flow Velocity Oscillation for Sinusoidal Motion of Fluid
Go
Verified Characteristic Length Scale of Object
Go
Verified Characteristic Length Scale of Object given Displacement Parameter
Go
Verified Displacement Parameter for Sediment Transport for Sinusoidal Motion of Fluid
Go
Verified Displacement Parameter for Sediment Transport under Water Waves
Go
Verified Excursion Amplitude of Fluid Particles in Oscillatory Flow given Displacement Parameter
Go
Verified Keulegan-Carpenter Number
Go
Verified Keulegan-Carpenter Number for Sinusoidal Motion of Fluid
Go
Verified Period of Oscillation
Go
Verified Period of Oscillation for Sinusoidal Motion of Fluid
Go
The Morison (MOJS) Equation (6)
Verified Added-Mass Coefficient for Fixed Body in Oscillatory Flow
Go
Verified Drag Force for Fixed body in Oscillatory Flow
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Verified Froude-Krylov Force
Go
Verified Hydrodynamic Mass Force
Go
Verified Inertia Coefficient for Fixed body in Oscillatory Flow
Go
Verified Inertia Force for Fixed body in Oscillatory Flow
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The S-Curve (7)
Verified Area of Catchment given Maximum Rate of Discharge from S-Curve
Go
Verified Duration of ER given Maximum Rate of Discharge from S-Curve
Go
Verified Equilibrium Discharge from S Curve
Go
Verified Maximum Rate of Discharge from S-Curve
Go
Verified Ordinates of Unit Hydrograph for S-Curve at Certain Time
Go
Verified S Curve at any time
Go
Verified S-Curve Addition
Go
Theoretical Oxygen Requirement (5)
Verified Conversion Factor given Theoretical Oxygen Requirement
Go
Verified Mass of Organisms Wasted given Theoretical Oxygen Requirement
Go
Verified Theoretical Oxygen Requirement for removal of Carbonaceous Organic Matter
Go
Verified Theoretical Oxygen requirements using Conversion Factor
Go
Verified Total Mass of BOD Utilized given Theoretical Oxygen Requirement
Go
Theory of Errors (18)
Created Most Probable Error given Standard Deviation
Go
Created Most Probable Value given Residual Error
Go
Created Most Probable Value with Different Weightage
Go
Created Most Probable Value with Same Weightage for Observations
Go
Created Observed Value given Relative Error
Go
Created Observed Value given Residual Error
Go
Created Observed Value given True Error
Go
Created Relative Error
Go
Created Residual Error
Go
Created Residual Variation given Most Probable Value
Go
Created Standard Deviation of Weighted Observations
Go
Created Standard Deviation used for Survey Errors
Go
Created Standard Error of Function where variables are Subjected to Addition
Go
Created Standard Error of Mean of Weighted Observations
Go
Created True Error
Go
Created True Error given Relative Error
Go
Created True Value given True Error
Go
Created Variance of Observations
Go
3 More Theory of Errors Calculators
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Thrust on Arch Dam (3)
Verified Thrust at Abutments of Arch Dam
Go
Verified Thrust at Crown of Arch Dam given Moment at Abutments
Go
Verified Thrust given Deflection due to Thrust on Arch Dam
Go
3 More Thrust on Arch Dam Calculators
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Tidal Dispersion and Mixing (5)
Verified Average Volume of Bay over Tidal Cycle given Residence Time
Go
Verified Fraction of New Water Entering Bay from Sea each Tidal Cycle given Residence Time
Go
Verified Residence Time
Go
Verified Tidal Period given Residence Time
Go
Verified Tidal Prism given Residence Time
Go
Tidal Prism (5)
Verified Average Area over Channel Length given Tidal Prism
Go
Verified Maximum Cross-Sectionally Averaged Velocity during Tidal Cycle given Tidal Prism
Go
Verified Maximum Instantaneous Ebb Tide Discharge given Tidal Prism
Go
Verified Tidal Period given Maximum Cross-sectionally Averaged Velocity and Tidal Prism
Go
Verified Tidal Prism given Average Area over Channel Length
Go
13 More Tidal Prism Calculators
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Tide Producing Forces (3)
Verified Gravitational Forces on particles
Go
Verified Local Time Meridian given Modified Epoch for longitude and Time Meridian Corrections
Go
Verified Separation of distance between centers of mass of two bodies given gravitational forces
Go
10 More Tide Producing Forces Calculators
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Tilting level (4)
Created Angle of Incidence for given Vertical displacement
Go
Created Refractive Index
Go
Created Refractive Index given Vertical Displacement
Go
Created Vertical Displacement for Small Angles
Go
Time Cost Relation (5)
Created Cost Slope
Go
Created Crash Cost given Cost Slope
Go
Created Crash Time given Slope
Go
Created Normal Cost given Slope
Go
Created Normal Time given Slope
Go
Time-Drawdown Analysis (8)
Verified Distance from pumping well to observation well
Go
Verified Equation for drawdown across one log cycle
Go
Verified Equation for pumping rate of transmissivity from time drawdown graphs
Go
Verified Modified equation for storage coefficient from time drawdown graphs
Go
Verified Modified equation for transmissivity from time drawdown graphs
Go
Verified Storage Coefficient given time at which Steady Shape conditions develops
Go
Verified Time at which Steady Shape Conditions Develop
Go
Verified Transmissivity derived from time drawdown graphs
Go
Transition (Spiral) Curves (4)
Verified Minimum Length of Spiral
Go
Verified Radius of Circular Curve Minimum Length
Go
Verified Rate of Increase of Radial Acceleration
Go
Verified Vehicle Velocity given Minimum Length of Spiral
Go
Transmissivity of Aquifer (6)
Verified Aquifer thickness when transmissivity of aquifer is considered
Go
Verified Quantity of water for transmissivity
Go
Verified Transmissibility when Coefficient of Permeability is Considered
Go
Verified Transmissivity given Discharge Quantity
Go
Verified Transmissivity of aquifer when equivalent permeability is considered
Go
Verified Unit dimension of aquifer about transmissivity
Go
Trap Efficiency (2)
Verified Capacity Inflow Ratio
Go
Verified Equation for Trap Efficiency
Go
Trapezoidal Section (2)
Verified Depth of Flow in most Efficient Channel in Trapezoidal Channel
Go
Verified Width of Channel in Most Efficient Channel when Bottom width is kept constant
Go
11 More Trapezoidal Section Calculators
Go
Traversing (12)
Created Closing Error in Traversing
Go
Created Correction of Latitude by Transit Rule
Go
Created Correction to First Bearing for given Closing Error
Go
Created Correction to Latitude by Bowditch Rule
Go
Created Correction to Northing in Transit Rule
Go
Created Correction to Second Bearing for given Closing Error
Go
Created Direction of Closing Error in Traversing
Go
Created Sum of Departure given Direction of Closing Error
Go
Created Sum of Departures given Closing Error
Go
Created Sum of Latitudes given Closing Error
Go
Created Sum of Latitudes given Direction of Closing Error
Go
Created Total Error in Latitude if Correction is Known from Bowditch Rule
Go
Turning Radius (19)
Verified Deceleration given Sight Distance
Go
Verified Deflection Angle of Entrance Curve
Go
Verified Deflection Angle of Entrance Curve given Deflection of Angle at Central Curve
Go
Verified Deflection of Angle at Central Curve
Go
Verified Deflection of Angle at Central Curve when Length of Central Curve is considered
Go
Verified Distance between Midway Points of Main Gears and Edge of Taxiway Pavements
Go
Verified Horonjeff Equation for Turning Radius of Taxiway
Go
Verified Length of Central Curve
Go
Verified Length of Entrance Curve when Deflection Angle of Entrance Curve is considered
Go
Verified Radius of Central Curve given Length of Central Curve
Go
Verified Radius of Curve when Velocity in Turn
Go
Verified Radius of Entrance Curve when Deflection Angle of Entrance Curve is considered
Go
Verified Sight Distance
Go
Verified Taxiway Width given Turning Radius
Go
Verified Turning Radius
Go
Verified Turning Speed of Aircraft given Radius of Curve
Go
Verified Turning Speed of Aircraft given Sight Distance
Go
Verified Velocity in Turn
Go
Verified Wheelbase given Turning Radius
Go
Ultimate Shear Strength of Connectors in Bridges (1)
Verified Channel Length given Ultimate Shear Connector Strength for Channels
Go
8 More Ultimate Shear Strength of Connectors in Bridges Calculators
Go
Ultimate Strength Design for Torsion (2)
Verified Maximum Ultimate Torsion for Torsion Effects
Go
Verified Spacing of Closed Stirrups for Torsion
Go
3 More Ultimate Strength Design for Torsion Calculators
Go
Unconfined Flow (3)
Verified Depth of water in pumping well when steady flow in unconfined aquifer is considered
Go
Verified Equilibrium Equation for Well in Unconfined Aquifer
Go
Verified Saturated thickness of aquifer when steady flow of unconfined aquifer is considered
Go
2 More Unconfined Flow Calculators
Go
Unconfined Flow by Dupit's Assumption (10)
Verified Change in Drawdown given Discharge
Go
Verified Discharge per unit width of aquifer is
Go
Verified Length about discharge per unit width of aquifer
Go
Verified Length when discharge entering per unit length of drain is considered
Go
Verified Length when Maximum Height of Water Table is Considered
Go
Verified Mass Flux Entering Element
Go
Verified Maximum Height of Water Table
Go
Verified Natural Recharge given total head
Go
Verified Recharge when Maximum Height of Water Table
Go
Verified Water table profile neglecting depths of water in drains
Go
Uniform Flow (7)
Verified Area of Channel with known Conveyance of Channel
Go
Verified Conveyance of Channel given Energy Slope
Go
Verified Discharge for Uniform Flow given Energy Slope
Go
Verified Energy Slope for Uniform Flow
Go
Verified Frictional Loss given Energy Slope
Go
Verified Hydraulic Radius given Conveyance of Channel for Uniform Flow
Go
Verified Length of Reach by Manning's Formula for Uniform Flow
Go
1 More Uniform Flow Calculators
Go
Uniform Turbulent Flow (1)
Verified Average Height of Roughness Protrusions given Chezy Constant for Rough Channels
Go
8 More Uniform Turbulent Flow Calculators
Go
Universal Soil Loss Equation (2)
Verified Rainfall Erosivity Factor
Go
Verified Soil Erodibility Factor given Soil Loss Per Unit Area in Unit Time
Go
6 More Universal Soil Loss Equation Calculators
Go
Unsteady Flow in a Confined Aquifer (8)
Verified Distance from Pumping Well given Storage Coefficient
Go
Verified Drawdown given Piezometric Head
Go
Verified Equation for Storage Coefficient
Go
Verified Equation for Well Function series to number of 4 digits
Go
Verified Equation for Well Parameter
Go
Verified Initial Constant Piezometric Head given drawdown
Go
Verified Initial Time given Pumping Well along with Storage Coefficient
Go
Verified Transmissivity about given storage coefficient
Go
3 More Unsteady Flow in a Confined Aquifer Calculators
Go
US Practice (3)
Verified Basin Lag for Foot Hill Drainage Area
Go
Verified Basin Lag for Mountainous Drainage Areas
Go
Verified Basin Lag for Valley Drainage Areas
Go
Valuation Engineering (17)
Created Annual Installment for Sinking Fund
Go
Created Annual Installment given Sinking Fund
Go
Created Annual Sinking Fund using Sinking Fund Method
Go
Created Capitalized Value
Go
Created Capitalized Value using Profit Based Valuation
Go
Created Coefficient of Annual Sinking Fund
Go
Created Coefficient of Annual Sinking Fund given Sinking Fund
Go
Created Gross Rent given Net Rent in Rental Method
Go
Created Net Income using Profit Based Valuation
Go
Created Net Rent using Rental Method of Valuation
Go
Created Outgoings using Rental Method
Go
Created Percentage Rate of Annual Depreciation
Go
Created Rate of Interest given Years Purchase
Go
Created Rate of Sinking Fund given YP
Go
Created Sinking Fund for Buildings
Go
Created Years Purchase
Go
Created Years Purchase when Sinking Fund is Recovered
Go
Vertical Loads (7)
Created Bending Moment on Rail
Go
Created Dynamic Overload at Joints
Go
Created Isolated Vertical Load given Moment
Go
Created Mass per Wheel given Dynamic Load
Go
Created Static Wheel Load given Dynamic Load
Go
Created Stress in Rail Foot
Go
Created Stress in Rail Head
Go
Volume of Filter (1)
Verified Volume of Filter Media given Efficiency of Second Filter Stage
Go
Volume of Reactor (5)
Verified Volume of Reactor
Go
Verified Volume of Reactor given Hydraulic Retention Time
Go
Verified Volume of Reactor given WAS Pumping Rate from Aeration Tank
Go
Verified Volume of Reactor given Wasting Rate from Return Line
Go
Verified Volume of Reactor using Wasting Rate from Return Line when Concentration of Solid in Effluent is Low
Go
Volumetric Strain (10)
Verified Bulk Modulus using Young's Modulus
Go
Verified Lateral Strain given Volumetric and Longitudinal Strain
Go
Verified Longitudinal Strain given Volumetric and Lateral Strain
Go
Verified Longitudinal Strain given Volumetric Strain and Poisson's Ratio
Go
Verified Poisson's Ratio given Volumetric Strain and Longitudinal Strain
Go
Verified Poisson's Ratio using Bulk Modulus and Young's Modulus
Go
Verified Volumetric Strain given Change in Length
Go
Verified Volumetric Strain given Change in Length, Breadth and Width
Go
Verified Volumetric Strain given Longitudinal and Lateral Strain
Go
Verified Volumetric Strain of Cylindrical Rod using Poisson's Ratio
Go
7 More Volumetric Strain Calculators
Go
WAS Pumping Rate (4)
Verified WAS Pumping Rate from Aeration Tank
Go
Verified WAS Pumping Rate from Return Line given RAS Pumping Rate from Aeration Tank
Go
Verified WAS Pumping Rate from Return Line given Wasting Rate from Return Line
Go
Verified WAS Pumping Rate using Wasting Rate from Return Line when Concentration of Solid in Effluent is Low
Go
Wastewater Flow (2)
Verified Wastewater Flow given BOD Loading for First Stage
Go
Verified Wastewater Flow given Recirculation Ratio
Go
1 More Wastewater Flow Calculators
Go
Wasting Rate (2)
Verified Wasting Rate from Return Line
Go
Verified Wasting Rate from Return Line when Concentration of Solid in Effluent is Low
Go
Water budget equation for a catchment (2)
Verified Catchment Area given Peak Discharge in Jarvis formula
Go
Verified Mean annual flood proposed by natural environment research council
Go
13 More Water budget equation for a catchment Calculators
Go
Water Power Engineering (6)
Verified Average Load given Load Factor for Turbo-generators
Go
Verified Energy Actually Produced given Plant Factor
Go
Verified Load Factor for Turbo-generators
Go
Verified Maximum Energy Produced using Plant Factor
Go
Verified Peak Load given Load Factor for Turbo-Generators
Go
Verified Plant Factor
Go
3 More Water Power Engineering Calculators
Go
Watershed Simulation (6)
Verified Actual Evapotranspiration given Runoff
Go
Verified Change in Soil Moisture Storage given Runoff
Go
Verified Equation for Runoff
Go
Verified Net Groundwater Outflow given Runoff
Go
Verified Runoff given Precipitation
Go
Verified Surface Runoff using Runoff
Go
Wave Celerity (12)
Verified Celerity of Deepwater Wave
Go
Verified Celerity of Wave given Deepwater Celerity and Wavelength
Go
Verified Deepwater Celerity for Deepwater wavelength
Go
Verified Deepwater Celerity given Units of Feet and Seconds
Go
Verified Deepwater Celerity given Wave Period
Go
Verified Deepwater Celerity when SI systems Units of meters and seconds is considered
Go
Verified Deepwater Wave Celerity
Go
Verified Wave Celerity given Wave Period and Wavelength
Go
Verified Wave Celerity given Wavelength and Water Depth
Go
Verified Wave Celerity given Wavelength and Wave Period
Go
Verified Wave Celerity when Relative Water Depth becomes Shallow
Go
Verified Wave Period given Deepwater Celerity
Go
Wave Height (19)
Verified Maximum Wave Height
Go
Verified Mean Wave Period given Maximum Wave Period
Go
Verified Significant Wave Height given Wave Period for North Sea
Go
Verified Wave Height for Horizontal Component of Local Fluid Velocity
Go
Verified Wave Height for Horizontal Fluid Particle Displacements
Go
Verified Wave height for local fluid particle acceleration of horizontal component
Go
Verified Wave height for local fluid particle acceleration of vertical component
Go
Verified Wave height for major horizontal semi-axis given wavelength and wave height
Go
Verified Wave height for minor vertical semi-axis given wavelength, wave height and water depth
Go
Verified Wave Height for simplified horizontal fluid particle displacements
Go
Verified Wave Height for simplified vertical fluid particle displacements
Go
Verified Wave Height for Vertical Component of Local Fluid Velocity
Go
Verified Wave Height for Vertical Fluid Particle Displacements
Go
Verified Wave Height given Wave Amplitude
Go
Verified Wave Height given Wave Period for Mediterranean Sea
Go
Verified Wave Height given wave steepness
Go
Verified Wave Height represented by Rayleigh Distribution
Go
Verified Wave Height represented by Rayleigh Distribution under Narrow Band Condition
Go
Verified Wavelength given wave steepness
Go
1 More Wave Height Calculators
Go
Wave Hindcasting and Forecasting (8)
Verified Drag Coefficient for Wind Speed at 10m Elevation
Go
Verified Limiting Wave Period
Go
Verified Spectral Energy Density
Go
Verified Spectral Energy Density or Classical Moskowitz Spectrum
Go
Verified Straight-Line Distance given Time required for Waves Crossing Fetch under Wind Velocity
Go
Verified Time required for Waves Crossing Fetch under Wind Velocity to become Fetch Limited
Go
Verified Water Depth for given Limiting Wave Period
Go
Verified Wind Speed given Time required for Waves crossing Fetch under Wind Velocity
Go
1 More Wave Hindcasting and Forecasting Calculators
Go
Wave Parameters (14)
Verified Angular of Radian Frequency of Wave
Go
Verified Eckart's Equation for Wavelength
Go
Verified Elevation of Water Surface Relative to SWL
Go
Verified Major Horizontal Semi-Axis given wavelength, Wave Height and Water Depth
Go
Verified Minor Vertical Semi-Axis given Wavelength, Wave Height and Water Depth
Go
Verified Phase Velocity or Wave Celerity
Go
Verified Phase Velocity or Wave Celerity given Radian Frequency and Wavenumber
Go
Verified Radian Frequency given Wave Celerity
Go
Verified Water Depth for Maximum Wave Steepness of Waves Travelling
Go
Verified Wave Amplitude
Go
Verified Wave Number given Wave Celerity
Go
Verified Wave number given wavelength
Go
Verified Wave Steepness
Go
Verified Wavelength for Maximum Wave Steepness
Go
4 More Wave Parameters Calculators
Go
Wave Period (13)
Verified Wave period for horizontal fluid particle displacements
Go
Verified Wave Period for Known Deepwater Celerity
Go
Verified Wave Period for Mediterranean Sea
Go
Verified Wave Period for North Sea
Go
Verified Wave Period given Deepwater Celerity of SI systems Units of Meters and Seconds
Go
Verified Wave Period given Deepwater Celerity of Units of Meters and Seconds
Go
Verified Wave Period given Deepwater Wavelength of SI Systems Units of Meters and Seconds
Go
Verified Wave Period given Deepwater Wavelength of Units of Meters and Seconds
Go
Verified Wave Period given Radian Frequency of Wave
Go
Verified Wave Period given Wave Celerity
Go
Verified Wave Period given Wave Celerity and Wavelength
Go
Verified Wave period given wave depth and wavelength
Go
Verified Wave Period given Wavelength and Water Depth
Go
3 More Wave Period Calculators
Go
Wave Period Distribution and Wave Spectrum (12)
Verified Equilibrium Form of PM Spectrum for Fully-Developed Seas
Go
Verified Maximum Wave Period
Go
Verified Mean Crest Period
Go
Verified Mean Wave Period
Go
Verified Mean Zero-upcrossing Period
Go
Verified Most Probable Maximum Wave Period
Go
Verified Normal Distribution with Wave Period
Go
Verified Probability Density of Wave Period
Go
Verified Relative Phase given coefficients
Go
Verified Spectral Bandwidth
Go
Verified Spectral Width
Go
Verified Wave Component Amplitude
Go
Wave Power (2)
Verified Wave Phase Velocity
Go
Verified Wave Phase Velocity for Wavelength and Wave Period
Go
7 More Wave Power Calculators
Go
Wave Transmission Coefficient and Water Surface Amplitude (16)
Verified Coefficient for Wave Transmission by Flow over Structure
Go
Verified Coefficient for Wave Transmission through Structure given Combined Transmission Coefficient
Go
Verified Combined Wave Transmission Coefficient
Go
Verified Dimensionless coefficient in Seelig equation for Wave Transmission Coefficient
Go
Verified Dimensionless Coefficient in Seelig equation in Wave Transmission Coefficient
Go
Verified Freeboard for given Wave Transmission Coefficient
Go
Verified Horizontal Ordinate given Water Surface Amplitude
Go
Verified Incident Wave Height given Surf Similarity Number or Iribarren Number
Go
Verified Incident Wave Height given Water Surface Amplitude
Go
Verified Incident Wave Length given Water Surface Amplitude
Go
Verified Reflected Wave Period given Water Surface Amplitude
Go
Verified Surf Similarity Number or Iribarren Number
Go
Verified Time Elapsed given Water Surface Amplitude
Go
Verified Water Surface Amplitude
Go
Verified Wave Runup above Mean Water Level for given Wave Transmission Coefficient
Go
Verified Wave Transmission Coefficient
Go
Wavelength (14)
Verified Deepwater Wavelength given Celerity of Deepwater Wave
Go
Verified Deepwater wavelength given Deepwater celerity
Go
Verified Deepwater Wavelength given Units of Feet
Go
Verified Deepwater Wavelength given Wave Celerity
Go
Verified Deepwater Wavelength when SI systems Units of meters is considered
Go
Verified Eckert's equation for Wavelength
Go
Verified Long Wave simplification for Wavelength
Go
Verified Water depth given wave celerity and wavelength
Go
Verified Wavelength as Function of Depth and Wave Period
Go
Verified Wavelength as Function of Water Depth and Wave Period
Go
Verified Wavelength given Deepwater celerity and Deepwater wavelength
Go
Verified Wavelength given Deepwater Wavelength
Go
Verified Wavelength given wave celerity
Go
Verified Wavelength given wave celerity and wave speed
Go
Webs under Concentrated Loads (15)
Created Beam Depth for given Column Load
Go
Created Clear Distance from Flanges for Concentrated Load with Stiffeners
Go
Created Length of Bearing for Applied Load at least Half of Depth of Beam
Go
Created Length of Bearing if Column Load is at Distance of Half Beam Depth
Go
Created Length of Bearing when Load applied at Distance Larger than Depth of Beam
Go
Created Reaction of Concentrated Load applied at least Half of Depth of Beam
Go
Created Reaction of Concentrated Load given Allowable Compressive Stress
Go
Created Reaction of Concentrated Load when Applied at distance at least Half of Beam Depth
Go
Created Relative Slenderness of Web and Flange
Go
Created Slenderness of Web and Flange given Stiffeners and Concentrated Load
Go
Created Stress for Concentrated Load Applied at Distance Larger than Depth of Beam
Go
Created Stress when Concentrated Load is Applied Close to Beam End
Go
Created Web Depth Clear of fillets
Go
Created Web Thickness for Given Stress
Go
Created Web Thickness for given Stress Due to Load near Beam End
Go
1 More Webs under Concentrated Loads Calculators
Go
Well Efficiency (6)
Verified Drawdown given Specific Capacity
Go
Verified Drawdown in aquifer given well efficiency
Go
Verified Drawdown Inside well given well efficiency
Go
Verified Pumping Rate given Specific Capacity
Go
Verified Specific Capacity
Go
Verified Well Efficiency
Go
Well Loss (2)
Verified Equation for Formation Loss
Go
Verified Equation for Well Loss
Go
1 More Well Loss Calculators
Go
Well-Field Design (6)
Verified Distance from Pumping Well
Go
Verified Drawdown across one log cycle given first estimate of pumping rate
Go
Verified First estimate of pumping rate
Go
Verified Storage coefficient given distance from pumping well
Go
Verified Transmissivity for first estimate of pumping rate
Go
Verified Transmissivity given distance from pumping well
Go
When Piston Velocity is Negligible to Average Velocity of Oil in Clearance Space (1)
Verified Dynamic Viscosity given velocity of piston
Go
13 More When Piston Velocity is Negligible to Average Velocity of Oil in Clearance Space Calculators
Go
Wide Rectangular Channel (1)
Verified Chezy Formula for Critical Depth of Channel given Slope of Dynamic Equation of GVF
Go
7 More Wide Rectangular Channel Calculators
Go
Wind Loads (2)
Verified Pressure Coefficient using Wind Pressure
Go
Verified Velocity Pressure using Wind Pressure
Go
14 More Wind Loads Calculators
Go
W-Index (1)
Verified W-Index
Go
4 More W-Index Calculators
Go
Working Stress Design for Torsion (2)
Verified Maximum Torsion due to Service Load for Torsion Effects
Go
Verified Spacing of Closed Stirrups for Torsion under Working Stress Design
Go
Yield of Catchment (7)
Verified Abstraction in Time given Yield of Catchment
Go
Verified Change in Storage Volumes given Yield of Catchment
Go
Verified Natural Flow given Yield of Catchment
Go
Verified Observed Runoff Volume at Terminal Gauging Station given Yield of Catchment
Go
Verified Volume of Return Flow given Yield of Catchment
Go
Verified Yield of Catchment by Water Balance Equation
Go
Verified Yield of Catchment given Observed Runoff Volume at Terminal Gauging Station
Go
Zero-Crossing Method (12)
Verified Number of Crests in Wave Record given Wave Crest Period
Go
Verified Number of Zero Up-Crossings given Zero-Crossing Period
Go
Verified Probability that Wave Height is Greater than or Equal to Design Wave Height
Go
Verified Probability that Wave Height is Lesser than or Equal to Design Wave Height
Go
Verified Record Length given Wave Crest Period
Go
Verified Record Length given Zero-Crossing Period
Go
Verified Root Mean Square Surface Elevation given Significant Wave Height
Go
Verified Significant Wave Height given rms Surface Elevation
Go
Verified Significant Wave Height given Zero-th Moment
Go
Verified Wave Crest Period
Go
Verified Zero-Crossing Period
Go
Verified Zero-th Moment given Significant Wave Height
Go
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