Dorian J. Burnette, Ph.D.

Relative Humidity from Dew Point

Temperature:
°F °C K

Dew Point:
°F °C K

Relative Humidity:

Equations

Equations to Calculate Relative Humidity from Dew Point

In the above equation, T is the temperature in °C, Td is the dew point in °C, es is the saturation vapor pressure in millibars, e is the actual vapor pressure in millibars, and rh is the relative humidity in percent.