Dew point
Calculate Dew point instantly with the exact formula and a worked example.
Dew point
T, °C
RH, %
Dew point
16.6977°C
Td
16,7 °C
More about: Dew point
What it calculates
The “Dew point” calculator computes Dew point in °C from 2 parameters: t, °c, rh, %.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters T, °C = 25, RH, % = 60 the result is 16.7 °C (Magnus: (b·γ) / (a−γ); γ = ln(RH/100) + a·T/(b+T)).
How to use
- Enter t, °c and rh, % — each field above is adjustable with a slider.
- Dew point (°C) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Dew point calculated?
The Dew point calculator computes Dew point (in °C) from t, °c, rh, %. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Dew point calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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