๐ง Dew Point Calculator
Dew point13.8ยฐC
Enter the air temperature and relative humidity to calculate the dew point using the Magnus-Tetens approximation, a formula widely used in meteorology. The dew point is the temperature at which water vapor in the air begins to condense, and it's also a useful gauge of how muggy the air feels.
How to use
- Enter the air temperature (ยฐC).
- Enter the relative humidity (%).
- The dew point is calculated automatically.
FAQ
What is dew point?
It's the temperature air would need to cool to for the water vapor it contains to start condensing. The closer the dew point is to the actual temperature, the more humid the air is.
What's the dew point at 100% relative humidity?
At 100% relative humidity, the dew point exactly equals the air temperature, since the air is already saturated with water vapor.
What formula is used?
The Magnus-Tetens approximation (coefficients a=17.27, b=237.7), a formula widely used in meteorology.