Instantly convert kelvin (K) to degrees Celsius (°C). Bidirectional, accurate, and free.
To convert kelvin to degrees Celsius, use the formula °C = K − 273.15. For example, 2 kelvin equals -271.15 degrees Celsius. Type any number into the calculator above and the result appears instantly — you can also type into the degrees Celsius box to convert the other way.
| Kelvin | degrees Celsius |
|---|---|
| 0 K | -273.15 °C |
| 10 K | -263.15 °C |
| 20 K | -253.15 °C |
| 25 K | -248.15 °C |
| 37 K | -236.15 °C |
| 50 K | -223.15 °C |
| 75 K | -198.15 °C |
| 100 K | -173.15 °C |
There are -272.15 degrees Celsius in one kelvin. To convert any value, apply the formula °C = K − 273.15.
The formula is °C = K − 273.15. Enter a value above and the result updates instantly in both directions.
Yes. It uses the exact internationally-defined conversion factor, so results match official standards to several decimal places.
Yes — the converter is bidirectional. Type in either box and the other updates automatically using the inverse formula.