Dew Point Calculator
Find the dew point from air temperature and relative humidity. The dew point is the temperature at which air becomes saturated and water vapor condenses.
Category: Environment & Energy
About this tool
Dew point calculator using the Magnus–Tetens formula. Inputs: air temperature and relative humidity. Outputs: dew point in Celsius, Fahrenheit, and Kelvin, with a saturation note when the dew point equals the air temperature. Valid for −40 °C to +50 °C and 1–100% RH.