Relative Humidity Equations Formulas Calculator

Meteorology Weather Water Vapor

Solving for relative humidity.
relative humidity


actual vapor pressure (e)
saturated vapor pressure (es)


actual vapor pressure (e)
= 0
= 0
saturated vapor pressure (es)
= 0
= 0


relative humidity (f)

Other Units:

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Select an equation to solve for a different unknown

relative humidity
relative humidity Solve for relative humidity.
actual vapor pressure Solve for actual vapor pressure.
saturated vapor pressure Solve for saturated vapor pressure.

dew point relative humidity
relative humidity relative humidity
temperature temperature
dewpoint temperature dewpoint temperature

Reference - Books:
Martin Wanielista, Robert Kersten and Ron Eaglin. 1997. Hydrology Water Quantity and Quality Control. John Wiley & Sons. 2nd ed.

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