Temperature conversion
-20 °C to K
253.15 K
-20 degrees Celsius = 253.15 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: -20 + 273.15 = 253.15 K.
Values near -20 °C
| °C | K |
|---|---|
| -23 | 250.15 |
| -22 | 251.15 |
| -21 | 252.15 |
| -20this page | 253.15 |
| -19 | 254.15 |
| -18 | 255.15 |
| -17 | 256.15 |
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 -20 °C in K?
-20 °C equals 253.15 K. The reference table below shows the values immediately around -20 °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.