Rel. humidity
Calculate Rel. humidity instantly with the exact formula and a worked example. Free online calculator — no signup.
Rel. humidity
T, °C
Td, °C
Rel. humidity
53.7991%
RH
53,8%
More about: Rel. humidity
What it calculates
The “Rel. humidity” calculator computes Rel. humidity in % from 2 parameters: t, °c, td, °c.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters T, °C = 25, Td, °C = 15 the result is 53.8 %.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.