How to convert kelvins to degrees Celsius
Use the formula °C = K − 273.15.
Example: 25 K = 25 − 273.15 = -248.15 °C.
Kelvins to degrees Celsius table
| Kelvins (K) | Degrees Celsius (°C) |
|---|---|
| -40 | -313.15 |
| -20 | -293.15 |
| -10 | -283.15 |
| 0 | -273.15 |
| 5 | -268.15 |
| 10 | -263.15 |
| 15 | -258.15 |
| 20 | -253.15 |
| 21 | -252.15 |
| 25 | -248.15 |
| 30 | -243.15 |
| 35 | -238.15 |
| 37 | -236.15 |
| 40 | -233.15 |
| 50 | -223.15 |
| 60 | -213.15 |
| 80 | -193.15 |
| 100 | -173.15 |
| 180 | -93.15 |
| 200 | -73.15 |
| 220 | -53.15 |
| 250 | -23.15 |
About the units
- Kelvin (K): The SI temperature unit, starting at absolute zero (0 K = −273.15 °C); used in science.
- Degree Celsius (°C): Water freezes at 0 °C and boils at 100 °C at sea level; used for weather and cooking in almost every country.
Need the other direction? Convert degrees Celsius to kelvins.
Unit converterConvert between hundreds of units of length, mass, temperature, volume, data and more.
Open the unit converter Frequently asked questions
How many degrees Celsius are in 0 K?
0 K = -273.15 °C.
What is the formula for kelvins to degrees Celsius?
°C = K − 273.15.
How much is 25 K in °C?
25 K = -248.15 °C.