Temperature Converter
Convert between Celsius, Fahrenheit and Kelvin, plus the historical scales of Rankine, Réaumur, Delisle, Newton and Rømer.
Temperature scales have different zero points, so converting is not just multiplication. Differences in degrees convert differently from absolute readings.
Popular temperature conversions
- Celsius to Fahrenheit
- Fahrenheit to Celsius
- Celsius to kelvin
- Kelvin to Celsius
- Fahrenheit to kelvin
- Kelvin to Fahrenheit
- Celsius to Rankine
- Celsius to Réaumur
Common units
| Unit | Symbol | Value in kelvins |
|---|---|---|
| kelvin | K | 1 K |
| degree Celsius | °C | — |
| degree Fahrenheit | °F | — |
Historical and traditional units
| Unit | Symbol | Value in kelvins |
|---|---|---|
| degree Rankine | °R | 0.5555555556 K |
| degree Réaumur | °Ré | — |
| degree Delisle | °De | — |
| degree Newton | °N | — |
| degree Rømer | °Rø | — |