Enter the temperature of the air into the calculator to determine the viscosity.

## Viscosity of Air Formula

The following formula can be used to calculate the viscosity of air.

u = ( b * T^(3/2)) / (T+S)

- Where u is the viscosity
- b is a constant (1.458 x 10^-6)
- T is the temperature (Kelvin)
- S is another constant (110.4)

## Viscosity of Air Definition

The viscosity of air is defined as the air gasses resistance to flow and is dependent solely on the temperature.

## Viscosity of Air Example

How to calculate the viscosity of air?

**First, determine the temperature.**Measure or calculate the temperature of the air in Kelvin.

**Next, determine the constants.**Determine the values of the constants b and S. (displayed above)

**Finally, calculate the viscosity.**Calculate the viscosity using the formula above.

## FAQ

**What determines the viscosity of air?**

The viscosity of air is dependent on mostly the temperature of the air.

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