Temperature Unit Converter
Convert between every temperature unit in one place. Pick any two units, see the exact factor and the worked calculation.
How to use it
- Choose the unit you have and the unit you want.
- Type a value — the conversion is instant and shows the working underneath.
- Swap flips the two units. The URL always reflects what you see.
This converter covers every common temperature unit in one page rather than one fixed pair, so you are not hunting for a specific "X to Y" page when the two units you need are not the ones most people search for.
Pick the unit you have, the unit you want, and type a value — the result and the conversion factor both update immediately, worked out to full precision rather than a rounded rule of thumb.
Temperature units on this page
| Unit | Symbol | Notes |
|---|---|---|
| Celsius | °C | Everyday temperature in almost every country, and all scientific work. |
| Fahrenheit | °F | Everyday temperature in the United States. |
| Kelvin | K | Physics, chemistry and colour temperature. |
| Rankine | °R | Some American thermodynamics and engineering. |
Everything runs in your browser
There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.
Last updated 18 August 2026