ExactConverter

Temperature conversion

0 °C to K

273.15 K

0 degrees Celsius = 273.15 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: 0 + 273.15 = 273.15 K.

Values near 0 °C

°C K
-3 270.15
-2 271.15
-1 272.15
0this page 273.15
1 274.15
2 275.15
3 276.15

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 0 °C in K?

0 °C equals 273.15 K. The reference table below shows the values immediately around 0 °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.