Celsius to Kelvin

Convert celsius to kelvin with the exact factor, a quick reference table and three worked examples. Everything runs in your browser.

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FromCelsius (°C)
ToKelvin (K)
274.15K
K = °C + 273.15

Conversion formula

K = °C + 273.15

Multiply by 1, then add 273.15.

Common conversions

Celsius (°C) Kelvin (K)
-40 233.15
0 273.15
10 283.15
20 293.15
37 310.15
50 323.15
100 373.15

Worked examples

1

0 °C = 273.15 K

2

37 °C = 310.15 K

3

100 °C = 373.15 K

Frequently asked questions

How many kelvin are in one celsius?
One celsius equals 274.15 kelvin. Use K = °C + 273.15 for any value.
What is the conversion formula?
The formula is K = °C + 273.15. Here °C is the input unit and K is the output unit.
Is the result rounded?
The calculation uses the standard factor 1 and offset 273.15. Displayed values keep up to six significant digits.

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