Temperature conversion

Celsius to Kelvin

Convert Celsius measurements to the absolute Kelvin scale used in physics, chemistry, and engineering.

Celsius

1 °C

Kelvin

274.15 K

K = °C + 273.15

The formula

How to convert celsius to kelvin

Apply K = °C + 273.15. For example, -273.15 °C equals 0 K.

Precision

Accurate constants, readable results

OmniUnit calculates with the full stored conversion factor, then displays up to 12 significant digits.

Common celsius conversions

CelsiusKelvin
-273.15 °C0 K
-40 °C233.15 K
0 °C273.15 K
20 °C293.15 K
100 °C373.15 K
1000 °C1273.15 K

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