Celsius to Kelvin Converter
K = °C + 273.15 · °C = K − 273.15.
Celsius to Kelvin chart
| °C | K | °F | Reference |
|---|---|---|---|
| -273.15 | 0 | -459.67 | Absolute zero |
| -196 | 77.15 | -320.8 | Liquid nitrogen |
| -80 | 193.15 | -112 | Ultra-low freezer |
| -20 | 253.15 | -4 | Lab freezer |
| 0 | 273.15 | 32 | Water freezes |
| 4 | 277.15 | 39.2 | Refrigerator |
| 20 | 293.15 | 68 | Room temp. |
| 25 | 298.15 | 77 | Standard (SATP) |
| 37 | 310.15 | 98.6 | Body temp. / incubator |
| 50 | 323.15 | 122 | |
| 100 | 373.15 | 212 | Water boils |
| 121 | 394.15 | 249.8 | Autoclave |
Only need Fahrenheit? Use °F to °C.
FAQ
How do I convert Celsius to Kelvin?
Add 273.15. Example: 25 °C + 273.15 = 298.15 K.
How do I convert Kelvin to Celsius?
Subtract 273.15. Example: 310.15 K − 273.15 = 37 °C.
Why is there no degree sign on Kelvin?
Kelvin is an absolute SI unit, so it is written "K", not "°K".
What is absolute zero?
0 K = −273.15 °C = −459.67 °F, the lowest possible temperature.
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