Concrete Calculators | List of Concrete Calculators

ConcreteBeams, Columns and Other Members Design MethodsBeamsBeams with Tensile and Compressive ReinforcingBending Moment when Cross-Sectional Area of Compressive Reinforcing is Given
Bending Moment when Total Cross-Sectional Area of Tensile Reinforcing is Given
Cross-Sectional Area of Compressive Reinforcing
Total Cross-Sectional Area of Tensile Reinforcing
Bond and Anchorage for Reinforcing BarsBeam Effective Depth when Bond Stress on Bar Surface is Given
Bond Stress on Bar Surface
Tensile Reinforcing Bars Perimeters Sum when Bond Stress on Bar Surface is Given
Total Shear when Bond Stress on Bar Surface is Given
Checking Stresses in BeamsDistance from Neutral Axis to Compressive Reinforcing Steel when Unit Stress is Given
Distance from Neutral Axis to Face of Concrete when Unit Stress is Given
Distance from Neutral Axis to Tensile Reinforcing Steel when Unit Stress is Given
Moment of Inertia of Transformed Beam Section
Moment of Inertia when Unit Stress in Compressive Reinforcing Steel is Given
Moment of Inertia when Unit Stress in Extreme Fiber of Concrete is Given
Moment of Inertia when Unit Stress in Tensile Reinforcing Steel is Given
Total Bending Moment when Unit Stress in Compressive Reinforcing Steel is Given
Total Bending Moment when Unit Stress in Extreme Fiber of Concrete is Given
Total Bending Moment when Unit Stress in Tensile Reinforcing Steel is Given
Unit Stress in Compressive Reinforcing Steel
3 More formulas!
Rectangular Beams with Tensile Reinforcing OnlyBending Moment when Stress in Concrete is Given
Depth of Beam when Stress in Concrete is Given
Depth of Heavy Beams and Girders
Depth of Light Beams
Depth of Roof and Floor Slabs
Stress in Concrete
Stress in Steel
Stress in Steel When Cross-Sectional Reinforcing Tensile Area to Beam Area Ratio is Given
Width of Beam when Stress in Concrete is Given
Shear and Diagonal Tension in BeamsCross-Sectional Area of Web Reinforcement
Effective Depth of Beam when Shearing Unit Stress in a Reinforced Concrete Beam is Given
Effective Depth when Cross-Sectional Area of Web Reinforcement is Given
Shear Carried by Concrete when Cross-Sectional Area of Web Reinforcement is Given
Shearing Unit Stress in a Reinforced Concrete Beam
Stirrups Spacing when Cross-Sectional Area of Web Reinforcement is Given
Total Shear when Cross-Sectional Area of Web Reinforcement is Given
Total Shear when Shearing Unit Stress in a Reinforced Concrete Beam is Given
Width of Beam when Shearing Unit Stress in a Reinforced Concrete Beam is Given
ColumnsAllowable Stress in Vertical Concrete Reinforcing when Total Allowable Axial Load is Given
Concrete Compressive Strength when Total Allowable Axial Load is Given
Gross Cross-Sectional Area of Column when Total Allowable Axial Load is Given
Spiral Reinforcement Yield Strength when Spiral Volume to Concrete Core Volume Ratio is Given
Spiral Volume to Concrete-Core Volume Ratio
Total Allowable Axial Load for Short Columns
Combined Bending and CompressionAxial Load at Balanced Condition
Axial Load for Spiral Columns
Axial Load for Tied Columns
Axial Moment at Balanced Condition
Circle Diameter when Axial Load for Spiral Columns is Given
Circle Diameter when Maximum Permissible Eccentricity for Spiral Columns is Given
Column Diameter when Maximum Permissible Eccentricity for Spiral Columns is Given
Longitudinal Reinforcement Area when Axial Load for Spiral Columns is Given
Maximum Permissible Eccentricity for Spiral Columns
Maximum Permissible Eccentricity for Tied Columns
Reinforcement Yield Strength when Axial Load for Spiral Columns is Given
3 More formulas!
Long ColumnsLoad Reduction Factor when the Ends of the Column are Fixed
Load Reduction Factor when the Member is Bent in a Single Curvature
Radius of Gyration for Fixed End Columns when Load Reduction Factor is Given
Radius of Gyration for Single Curvature Bent Member when Load Reduction Factor is Given
Unsupported Column Length for Fixed End Columns when Load Reduction Factor is Given
Unsupported Column Length for Single Curvature Bent Member when Load Reduction Factor is Given
Short Columns with TiesAllowable Bond Stress for Horizontal Tension Bars of Sizes and Deformations Conforming to ASTM A 408
Allowable Bond Stress for Other Tension Bars of Sizes and Deformations Conforming to ASTM A 408
Braced and Unbraced FramesLoad Bearing Walls28-Day Concrete Compressive Strength when Axial Capacity of Wall is Given
Axial Capacity of Wall
Wall Section Gross Area when Axial Capacity of Wall is Given
Cantilever Retaining WallsCounterfort Shear Unit Stress on a Horizontal Section
Shear Force on the Section
Shear Force on the Section for a Vertical Wall Face
Column MomentsDesign Shear when Shear Friction Reinforcement Area is Given
Eccentricity of Shear
Reinforcement Yield Strength when Shear Friction Reinforcement Area is Given
Shear Friction Reinforcement Area
Concrete Gravity Retaining WallsEarth Thrust Horizontal Component when Sum of Righting Moments is Given
Overturning Moment
Pressure P1 when Resultant is at Middle Third Edge
Pressure P1 when the Resultant is within the Middle Third and Width of Base is Given
Pressure P2 when the Resultant is within the Middle Third and Width of Base is Given
Pressure when Resultant is Outside Middle Third
Retaining Wall Righting Moment
Continuous Beams and One Way SlabsNegative Moment at Exterior Face of First Interior Support for More Than Two Spans
Negative Moment at Exterior Face of First Interior Support for Two Spans
Negative Moment at Interior Faces of Exterior Support where Support is a Column
Negative Moment at Interior Faces of Exterior Supports where Support is a Spandrel Beam
Negative Moment at Other Faces of Interior Supports
Positive Moment for End Spans if Discontinuous End is Integral with Support
Positive Moment for End Spans if Discontinuous End is Unrestrained
Positive Moment for Interior Spans
Shear Force at All Other Supports
Shear Force in End Members at First Interior Support
Crack Control of Flexural MembersEquation for Crack Control Specific Limits
Stress Calculated in Crack Control
Deflection Computations and Concrete Beams CriteriaCracking Moment for Reinforced Concrete Beams
Distance From the Centroidal Axis when Cracking Moment is Given
Modulus of Rupture of Concrete
Moment of Inertia of Gross Concrete Section when Cracking Moment is Given
Flat Plate ConstructionClear Span in Direction Moments when Total Static Design Moment is Given
Concrete Column Elasticity Modulus when Flexural Stiffness is Given
Moment of Inertia about Centroidal Axis when Flexural Stiffness is Given
Strip Width when Total Static Design Moment is Given
Total Static Design Moment in a Strip
Uniform Design Load per Unit of Slab Area when Total Static Design Moment is Given
Flat Slab ConstructionMaximum Slab Thickness
Job Mix Concrete VolumeAbsolute Volume of the Component
Specific Gravity of the Material when Absolute Volume of the Component is Given
Weight of the Material when Absolute Volume of the Component is Given
Modulus of Elasticity of ConcreteModulus of Elasticity of Concrete in SI Units
Modulus of Elasticity of Concrete in USCS Units
Modulus of Elasticity of Normal Weight and Density Concrete in SI Units
Modulus of Elasticity of Normal Weight and Density Concrete in USCS Units
Youngs modulus of concrete
Properties in the Hardened State28-Day Concrete Compressive Strength
28-Day Concrete Compressive Strength when Water Cement Ratio is Given
Modulus of Elasticity
Modulus of Elasticity for Normal Weight Concrete
Water Cement Ratio when 28-Day Concrete Compressive Strength is Given
Required StrengthBasic Load Effect when Ultimate Strength is Given for Applied Wind Loads
Basic Load Effect when Ultimate Strength is Given for Unapplied Wind and Earthquake Loads
Live Load Effect when Ultimate Strength is Given for Unapplied Wind and Earthquake Loads
Ultimate Strength when Wind and Earthquake Loads are not Applied
Ultimate Strength when Wind Loads are Applied
Wind Load Effect when Ultimate Strength is Given for Applied Wind Loads
Shear in SlabsConcrete Shear Strength at Critical Sections
Equation for Punching Shear Design
Shear WallsConcrete Strength when Shear Force is Given
Maximum Shear Strength
Minimum Horizontal Reinforcement
Nominal Shear Stress
Total Design Shear Force when Nominal Shear Stress is Given
Wall Horizontal Length when Nominal Shear Stress is Given
Wall Overall Thickness when Nominal Shear Stress is Given
Spirals28-Day Concrete Compressive Strength when Volume of Spiral Steel to Concrete Core Ratio is Given
Spiral Steel Yield Strength when Volume of Spiral Steel to Concrete Core Ratio is Given
Volume of Spiral Steel to Volume of Concrete Core Ratio
Tensile Strength of ConcreteTensile Strength of Normal Weight and Density Concrete in SI Units
Tensile Strength of Normal Weight and Density Concrete in USCS Units
Tension Development LengthsArea of Bar when Basic Development Length is Given
Bar Steel Yield Strength when Basic Development Length for No 14 Bars is Given
Bar Steel Yield Strength when Basic Development Length for No 18 Bars is Given
Bar Steel Yield Strength when Basic Development Length is Given
Basic Development Length for Bars and Wire in Tension
Basic Development Length for No 14 Bars
Basic Development Length for No 18 Bars
Ultimate Strength Design for TorsionArea of One Leg of a Closed Stirrup when Shear Reinforcement Area is Given
Max Concrete Torsion
Max Ultimate Torsion for Torsion Effects
Maximum Allowable Torsion
Shear Reinforcement Area
Spacing of Closed Stirrups for Torsion
Ultimate Strength Design of I and T BeamsDepth when the Neutral Axis Lies in the Flange
Distance when the Neutral Axis Lies in the Flange
Equivalent Rectangular Compressive Stress Distribution Depth
Maximum Ultimate Moment when Neutral Axis Lies in Web
ω when the Neutral Axis Lies in the Flange
Ultimate Strength Design of Rectangular Beams with Compression BarsBending Moment Capacity of Rectangular Beam
Depth of Equivalent Rectangular Compressive Stress Distribution
Ultimate Strength Design of Tension Reinforced Rectangular BeamsDistance from Extreme Compression Surface to Neutral Axis in Compression Failure
Development of Tensile ReinforcementApplied Shear at Section when Development Length for Simple Support is Given
Computed Flexural Strength when Development Length for Simple Support is Given
Development Length for Simple Support
Embedment Length Beyond Inflection Point when Development Length for Simple Support is Given
Hooks on Bars28-Day Concrete Compressive Strength when Development Length for a Hooked Bar is Given
Bar Diameter when Development Length for a Hooked Bar is Given
Development Length for a Hooked Bar
Moment CapacityBending-Moment Capacity of Ultimate Strength when Area of Tension Reinforcement is Given
Bending-Moment Capacity of Ultimate Strength when Beam Width is Given
Shear ReinforcementArea of Steel Required in Vertical Stirrups
Nominal Reinforcement Shear Strength when Area of Steel in Vertical Stirrups is Given
Nominal Reinforcement Shear Strength when Stirrup Area with Support Angle is Given
Nominal Reinforcement Shear Strength when Stirrups Area for Inclined Stirrups is Given
Nominal Shear Strength of the Concrete
Nominal Shear Strength Provided by Reinforcement
Shear Reinforcement Yield Strength when Stirrup Area with Support Angle is Given
Spacing when Area of Steel in Vertical Stirrups is Given
Stirrup Area when Stirrup Spacing for Practical Design is Given
Stirrup Area when Support Angle is Given
Stirrup Spacing for Practical Design
3 More formulas!
Wall FootingsMaximum Moment for Symmetrical Concrete Wall Footing
Tensile Bending Stress at Bottom when Footing is Deep
Uniform Pressure on Soil when Maximum Moment is Given
Water Cementitious Materials RatioWater Cementitious Ratio
Weight of Cementitious Materials in Batch when Water Cementitious Ratio is Given
Weight of Mixing Water in Batch when Water Cementitious Ratio is Given
Working Stress Design for TorsionMax Torsion due to Service Load for Torsion Effects
Spacing of Closed Stirrups for Torsion under Working Stress Design
Working Stress Design of I and T BeamsDistance from Extreme Compression Surface to Neutral Axis
Moment Resistance of Concrete when Compressive Force is Given
Moment Resistance of Concrete when Flange Thickness is Given
Moment Resistance of Concrete when Stress in Concrete is Given
Moment Resistance of Steel
Moment Resistance of Steel when Flange Thickness is Given
Total Compressive Force when Area and Tensile Steel Stress is Given
Total Compressive Force when Concrete Stress is Given
Working Stress Design of Rectangular Beams with Compression BarsBending Moment when Moment Resisting Capacity of Compressive Steel and Concrete is Given
Equation Based on Linear Variation of Stress and Strain with Distance
Force Acting on Compressive Steel
Force Acting on Tensile Steel
Moment Resistance in Compression
Moment Resistance of Tensile Steel when Area is Given
Moment Resistance of Tensile Steel when Force is Given
Moment Resisting Capacity of Compressive Steel
Moment Resisting Capacity of Compressive Steel when Stress and Area are Given
Moment Resisting Capacity of Concrete
Moment Resisting Capacity of Concrete when Bending Moment is Given
8 More formulas!
Working Stress Design of Tension Reinforced Rectangular BeamsArea of Tension Reinforcement when Steel Ratio is Given
Beam Width when Steel Ratio is Given
Compressive Stress in Extreme Concrete Surface
Distance between Centroid of Compression and Centroid of Tension
Distance from Extreme Compression to Centroid when Steel Ratio is Given
Modular Ratio
Steel Ratio
Stress in Steel with Tension Reinforcement Only
Allowable Bending MomentMoment Resistance of Concrete when Compressive Stress is Given
Moment Resistance of Concrete when Kc is Given
Moment Resistance of Steel when Ks is Given
Moment Resistance of Steel when Steel Ratio is Given
Moment Resistance of Steel when Stress and Area are Given
Allowable ShearAllowable Stress in Stirrup Steel when Area in Legs of a Vertical Stirrup is Given
Area Required in Legs of a Vertical Stirrup
Beam Width when Nominal Unit Shear Stress is Given
Distance from Extreme Compression to Centroid when Area in Legs of a Vertical Stirrup is Given
Distance from Extreme Compression to Centroid when Nominal Unit Shear Stress is Given
Excess Shear when Area in Legs of a Vertical Stirrup is Given
Excess Shear when Stirrup Leg Area is Given for Group of Bars Bent up Different Distances
Excess Shear when Vertical Stirrup Leg Area is Given for Single Bar Bent at Angle α
Nominal Unit Shear Stress
Shear when Nominal Unit Shear Stress is Given
Stirrups Spacing when Area in Legs of a Vertical Stirrup is Given
4 More formulas!
List of Concrete Calculators

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Concrete
29 Concrete Categories Beams, Columns and Other Members Design Methods Braced and Unbraced Frames Cantilever Retaining Walls Column Moments Concrete Gravity Retaining Walls Continuous Beams and One Way Slabs Crack Control of Flexural Members Deflection Computations and Concrete Beams Criteria Flat Plate Construction Flat Slab Construction Job Mix Concrete Volume Modulus of Elasticity of Concrete Properties in the Hardened State Required Strength Shear in Slabs Shear Walls Spirals Tensile Strength of Concrete Tension Development Lengths Ultimate Strength Design for Torsion Ultimate Strength Design of I and T Beams Ultimate Strength Design of Rectangular Beams with Compression Bars Ultimate Strength Design of Tension Reinforced Rectangular Beams Wall Footings Water Cementitious Materials Ratio Working Stress Design for Torsion Working Stress Design of I and T Beams Working Stress Design of Rectangular Beams with Compression Bars Working Stress Design of Tension Reinforced Rectangular Beams