Celsius to Kelvin

Convert celsius to kelvin — enter a temperature, read the result.

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Kelvin273.1500K

K = °C + 273.15. So 0 °C = 273.15 K and 100 °C = 373.15 K.

Celsius (°C)Kelvin (K)
-40 °C233.15 K
0 °C273.15 K
20 °C293.15 K
37 °C310.15 K
100 °C373.15 K

Common celsius-to-kelvin conversions.

How to convert celsius to kelvin

K = °C + 273.15. So 0 °C = 273.15 K and 100 °C = 373.15 K. Enter any Celsius value in the converter above to get the Kelvin result, or use the table below for the temperatures looked up most.

Questions

How do I convert celsius to kelvin?
K = °C + 273.15. So 0 °C = 273.15 K and 100 °C = 373.15 K.
What is 20 °C in K?
20 °C = 293.15 K. The formula is K = °C + 273.