Dew Point Calculator
Calculate the dew point from temperature and humidity.
Result
Results are estimates for general information only and are not professional advice.
Dew point
The dew point is the temperature at which air becomes saturated and dew forms. A higher dew point means it feels more humid. This calculator uses the Magnus formula to estimate the dew point from temperature and relative humidity.
Frequently Asked Questions
What is the Dew Point Calculator?
Calculate the dew point from temperature and humidity. It runs instantly in your browser and is completely free to use.
What do I need to enter to use the Dew Point Calculator?
The Dew Point Calculator asks for the following values (2): Temperature (°C), Humidity (%). Fill them in and the result appears immediately — the calculation runs on your own device, so nothing you type is sent to a server.
How accurate is the Dew Point Calculator?
The Dew Point Calculator uses standard, widely-accepted formulas, so its figures are reliable estimates for everyday planning. They are not a substitute for advice from a qualified professional.
Is the Dew Point Calculator free, and do I need an account?
Yes. The Dew Point Calculator — and every other calculator on Calculatis — is completely free, with no registration, no download and no limit on how often you use it.