Kinematic Viscosity Calculator

✖Dynamic Viscosity of Fluid is the measure of its resistance to flow when an external force is applied.ⓘ Dynamic Viscosity of Fluid [μ_d]			+10% -10%
✖The Mass Density of a substance is its mass per unit volume.ⓘ Mass Density [ρ_m]			+10% -10%

✖Kinematic viscosity of liquid is a variable defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid.ⓘ Kinematic Viscosity [ν_fluid]

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Formula

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Kinematic Viscosity

Formula

`"ν"_{"fluid"} = "μ"_{"d"}/"ρ"_{"m"}`

Example

`"7.5E^-6m²/s"="0.075P"/"997kg/m³"`

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Kinematic Viscosity Solution

STEP 0: Pre-Calculation Summary

Formula Used

Kinematic Viscosity of Liquid = Dynamic Viscosity of Fluid/Mass Density
ν_fluid = μ_d/ρ_m
This formula uses 3 Variables

Variables Used

Kinematic Viscosity of Liquid - (Measured in Square Meter per Second) - Kinematic viscosity of liquid is a variable defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid.
Dynamic Viscosity of Fluid - (Measured in Pascal Second) - Dynamic Viscosity of Fluid is the measure of its resistance to flow when an external force is applied.
Mass Density - (Measured in Kilogram per Cubic Meter) - The Mass Density of a substance is its mass per unit volume.

STEP 1: Convert Input(s) to Base Unit

Dynamic Viscosity of Fluid: 0.075 Poise --> 0.0075 Pascal Second (Check conversion here)
Mass Density: 997 Kilogram per Cubic Meter --> 997 Kilogram per Cubic Meter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ν_fluid = μ_d/ρ_m --> 0.0075/997

Evaluating ... ...

ν_fluid = 7.52256770310933E-06

STEP 3: Convert Result to Output's Unit

7.52256770310933E-06 Square Meter per Second --> No Conversion Required

FINAL ANSWER

7.52256770310933E-06 ≈ 7.5E-6 Square Meter per Second <-- Kinematic Viscosity of Liquid

(Calculation completed in 00.004 seconds)

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Home » Engineering » Mechanical » Fluid Mechanics » Introduction to Fluid Mechanics Basics » Fluid Mechanics Basics » Kinematic Viscosity

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Equation of Continuity for Compressible Fluids

Go Velocity of the fluid at 1 = (Cross-Sectional Area at Point 2*Velocity of the fluid at 2*Density 2)/(Cross-Sectional Area at Point 1*Density 1)

Equation of Continuity for Incompressible Fluids

Go Velocity of the fluid at 1 = (Cross-Sectional Area at Point 2*Velocity of the fluid at 2)/Cross-Sectional Area at Point 1

Cavitation Number

Go Cavitation number = (Pressure-Vapour Pressure)/(Mass Density*(Fluid Velocity^2)/2)

Turbulence

Go Turbulence = Density 2*Dynamic Viscosity*Fluid Velocity

Unstable Equilibrium of Floating Body

Go Metacentric Height = Distance between Point B and G-Distance between Point B and M

Knudsen Number

Go Knudsen Number = Mean Free Path of Molecule/Characteristic Length of Flow

Kinematic Viscosity

Go Kinematic Viscosity of Liquid = Dynamic Viscosity of Fluid/Mass Density

Stagnation Pressure Head

Go Stagnation Pressure Head = Static Pressure Head+Dynamic Pressure Head

Weight Density given Specific Weight

Go Weight Density = Specific Weight/Acceleration due to Gravity

Weight

Go Weight of Body = Mass*Acceleration due to Gravity

Bulk Modulus given Volume Stress and Strain

Go Bulk Modulus = Volume Stress/Volumetric Strain

Vorticity

Go Vorticity = Circulation/Area of fluid

Specific Volume

Go Specific Volume = Volume/Mass

Sensitivity of Inclined Manometer

Go Sensitivity = 1/sin(Angle)

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Dynamic Viscosity of Fluids

Go Dynamic Viscosity of Fluid = (Shear Stress on Lower Surface*Distance Between Plates Carrying Fluid)/Velocity of Moving Plate

Vapour Pressure

Go Vapour Pressure of Solution = Mole Fraction of Solvent in Solution*Vapour Pressure of Solvent

Shape Factor to Determine Nature of Flow

Go Shape Factor of Flow = Displacement Thickness of Flow/Momentum Thickness of Flow

Kinematic Viscosity

Go Kinematic Viscosity of Liquid = Dynamic Viscosity of Fluid/Mass Density

Cardiac Output

Go Cardiac Output from Heart = Stroke Volume of Blood*Heart Rate

Surface Tension given Force and Length

Go Surface Tension of Liquid = Force/Length

Kinematic Viscosity Formula

Kinematic Viscosity of Liquid = Dynamic Viscosity of Fluid/Mass Density
ν_fluid = μ_d/ρ_m

What is kinematic viscosity?

Kinematic viscosity is a measure of a fluid's internal resistance to flow under gravitational forces. It is determined by measuring the time in seconds, required for a fixed volume of fluid to flow a known distance by gravity through a capillary within a calibrated viscometer at a closely controlled temperature.

How to Calculate Kinematic Viscosity?

Kinematic Viscosity calculator uses Kinematic Viscosity of Liquid = Dynamic Viscosity of Fluid/Mass Density to calculate the Kinematic Viscosity of Liquid, The kinematic viscosity is an atmospheric variable defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid. Kinematic Viscosity of Liquid is denoted by ν_fluid symbol.

How to calculate Kinematic Viscosity using this online calculator? To use this online calculator for Kinematic Viscosity, enter Dynamic Viscosity of Fluid (μ_d) & Mass Density (ρ_m) and hit the calculate button. Here is how the Kinematic Viscosity calculation can be explained with given input values -> 7.5E-6 = 0.0075/997.

FAQ

What is Kinematic Viscosity?

The kinematic viscosity is an atmospheric variable defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid and is represented as ν_fluid = μ_d/ρ_m or Kinematic Viscosity of Liquid = Dynamic Viscosity of Fluid/Mass Density. Dynamic Viscosity of Fluid is the measure of its resistance to flow when an external force is applied & The Mass Density of a substance is its mass per unit volume.

How to calculate Kinematic Viscosity?

The kinematic viscosity is an atmospheric variable defined as the ratio between the dynamic viscosity μ and the density ρ of the fluid is calculated using Kinematic Viscosity of Liquid = Dynamic Viscosity of Fluid/Mass Density. To calculate Kinematic Viscosity, you need Dynamic Viscosity of Fluid (μ_d) & Mass Density (ρ_m). With our tool, you need to enter the respective value for Dynamic Viscosity of Fluid & Mass Density and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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