Dew Point & Humidity

Calculate Dew Point & Humidity instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

Dew Point & Humidity

T, °C
RH, %
Dew point
11.993°C
Calculate Dew Point & Humidity instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

More about: Dew Point & Humidity

What it calculates

The “Dew Point & Humidity” calculator computes Dew point in °C from 2 parameters: t, °c, rh, %.

Used in design, material estimation, and structural calculations.

Example calculation

With parameters T, °C = 20, RH, % = 60 the result is 11.99 °C.

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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