# Relative Humidity

Written by Jerry Ratzlaff on . Posted in Fluid Dynamics

## Relative Humidity

Relative humidity ( $$RH$$ ) is a measure of the amount of moisture in the air with respect to the temperature.

### Relative Humidity formula

$$RH = 100 \frac{e}{e_s}$$

Where:

$$RH$$ = relative humidity

$$e$$ = actual vapor pressure

$$e_s$$ = saturated vapor pressure