# Tetens's formula

From Glossary of Meteorology

## Tetens's formula

An analytic expression for saturation vapor pressure, where the temperature

*e*_{s}, given as a function of temperature by*T*is given in °C and the vapor pressure is in kPa.A slightly improved version is shown under Clausius–Clapeyron equation.

Tetens, O. 1930. Uber einige meteorologische Begriffe. Z. Geophys.. 6. 297–309.