Temperature conversion
-31 °C to K
242.15 K
-31 degrees Celsius = 242.15 kelvin. Exact factor: K = °C + 273.15.
Live converter
Edit either field — the other updates instantly. Type decimal values like 38.4.
The formula
K = °C + 273.15
Worked example: -31 + 273.15 = 242.15 K.
Values near -31 °C
| °C | K |
|---|---|
| -34 | 239.15 |
| -33 | 240.15 |
| -32 | 241.15 |
| -31this page | 242.15 |
| -30 | 243.15 |
| -29 | 244.15 |
| -28 | 245.15 |
Frequently asked
How do you convert degrees Celsius to kelvin?
Apply the formula K = °C + 273.15. Enter any value in the live converter above and the result updates as you type.
What is -31 °C in K?
-31 °C equals 242.15 K. The reference table below shows the values immediately around -31 °C.
Why does temperature conversion add 32?
The two scales have different zero points and step sizes. Water freezes at 32 °F but 0 °C, so the formula rescales by 5/9 and shifts by the 32-degree offset.