Kelvin to Celsius
To convert kelvins to degrees Celsius, use °C = K − 273.15.
- 0 K is -273.15 °C and 100 K is -173.15 °C.
- For example, 273.15 kelvins is 0 degrees Celsius.
Conversion
Kelvin → Celsius
0
273.15 kelvin equals this many celsius
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| Kelvin (K) | Celsius (°C) |
|---|---|
| 0 | -273.15 |
| 50 | -223.15 |
| 77 | -196.15 |
| 100 | -173.15 |
| 173.15 | -100 |
| 200 | -73.15 |
| 233.15 | -40 |
| 250 | -23.15 |
| 273.15 | 0 |
| 288.15 | 15 |
| 293.15 | 20 |
| 298.15 | 25 |
| 310.15 | 37 |
| 373.15 | 100 |
| 500 | 226.85 |
| 1,000 | 726.85 |
About kelvins and degrees Celsius
Subtract 273.15 to go from Kelvin to Celsius. Scientific data often uses Kelvin: 77 K is the boiling point of liquid nitrogen, 273.15 K is the freezing point of water, and 298.15 K (25 °C) is the standard reference temperature in chemistry.
Frequently asked questions
- What is the formula to convert Kelvin to Celsius?
- °C = K − 273.15. For example, 273.15 K works out to 0 °C.
- How do I convert 273.15 kelvins to degrees Celsius?
- Apply °C = K − 273.15 to 273.15 K: the result is 0 °C.
- What is room temperature in Kelvin?
- About 293–298 K. 20 °C is 293.15 K and 25 °C — the chemistry standard — is 298.15 K.