Temperature Converter
Convert temperature units instantly: Celsius, Fahrenheit, kelvin, Rankine, Réaumur and more. Precise factors, all units shown at once.
| Unit | Value |
|---|---|
| Celsius (°C) | |
| Fahrenheit (°F) | |
| kelvin (K) | |
| Rankine (°R) | |
| Réaumur (°Ré) |
Tip: double-click a row to convert from that unit. Click a value to copy it. Expressions like 3*12 are accepted.
How to use the Temperature Converter
- Type the value you want to convert (expressions are allowed).
- Choose the unit you are converting from.
- Read the result in every other unit in the table — it updates as you type.
About this tool
Enter a value and choose its unit; the temperature is converted to all 5 supported units simultaneously. Conversions use exact definitions where they exist (e.g. 1 inch = 25.4 mm, 1 lb = 0.453 592 37 kg).
Common conversions
| 1 °C = 33.8 °F | 1 °F = −17.22222222 °C |
| 1 °C = 274.15 K | 1 K = −272.15 °C |
| 1 °C = 493.47 °R | 1 °R = −272.5944444 °C |
| 1 °C = 0.8 °Ré | 1 °Ré = 1.25 °C |