Kelvin to Degrees Celsius Converter
Convert kelvin to degrees Celsius instantly with the exact formula: °C = K − 273.15. Type a temperature above and the result updates while you type.
Result
°C
Result updates as you type. Values are calculated locally in your browser — nothing is sent to a server.
The formula
°C = K − 273.15
Kelvin to degrees Celsius conversion table
| K | °C |
|---|---|
| -40 | -313.15 |
| -30 | -303.15 |
| -20 | -293.15 |
| -10 | -283.15 |
| 0 | -273.15 |
| 5 | -268.15 |
| 10 | -263.15 |
| 15 | -258.15 |
| 20 | -253.15 |
| 25 | -248.15 |
| 30 | -243.15 |
| 37 | -236.15 |
| 40 | -233.15 |
| 50 | -223.15 |
| 75 | -198.15 |
| 100 | -173.15 |
Worked examples
- 10 K = -263.15 °C
- 25 K = -248.15 °C
- 37 K = -236.15 °C
Conversion factors follow the exact international definitions (SI/BIPM; imperial units per the 1959 International Yard and Pound Agreement, maintained by NIST). NIST unit conversion reference
Factors last verified August 2026 · Built by Jeffrey Tepper.
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Frequently asked questions
How many degrees Celsius are in 1 kelvin?
1 kelvin equals -272.15 degrees Celsius (K → °C).
How do you convert kelvin to degrees Celsius?
Use the formula °C = K − 273.15. For example: 25 K equals -248.15 °C.
What is 37 K in °C?
37 K equals -236.15 °C.