Weather
Dew Point Calculator
Dew point from temperature and humidity (Magnus; °C or °F).
Free to use — no sign-up or login.
Dew point
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This free Dew Point Calculator covers Dew point from temperature and humidity (Magnus; °C or °F).
Dew point is the temperature at which air becomes saturated. Related weather tools sit beside How it works, with no account required.
Using the Dew Point Calculator
Dew point from temperature and humidity (Magnus; °C or °F). Typical inputs are Temperature unit, Temperature (°C) and Relative humidity (%). How it works beside the form states the identity the Dew Point Calculator applies.
FAQ
How do I use the Dew Point Calculator?
Open the Dew Point Calculator, fill Temperature unit, Temperature (°C) and Relative humidity (%), and read the result. Enter air temperature and relative humidity. Temperature is converted to °C for the Magnus approximation, which estimates the temperature at which the air would become saturated at the current moisture content. The dew point is then returned in your chosen unit.
What formula does the Dew Point Calculator use?
The Dew Point Calculator uses the identity in How it works. In words: Enter air temperature and relative humidity. Temperature is converted to °C for the Magnus approximation, which estimates the temperature at which the air would become saturated at the current moisture content. The dew point is then returned in your chosen unit.