Kelvin to Celsius Converter

Convert Kelvin to Celsius (K to °C) instantly. 1 kelvin = -272.15 °C. Includes the formula and a conversion table.

°C = K − 273.15

How to convert Kelvin to Celsius

°C = K − 273.15

The relationship between Kelvin and Celsius is not a simple multiplication, so apply the formula above. Example: 300 K = 26.85 °C.

Celsius and Kelvin differ by exactly 273.15. A Fahrenheit degree is 5/9 of a Celsius degree and 32 °F is the freezing point of water (0 °C).

Kelvin to Celsius conversion table

Kelvin (K)Celsius (°C)
0 K-273.15 °C
100 K-173.15 °C
200 K-73.15 °C
273.15 K0 °C
293.15 K20 °C
300 K26.85 °C
310.15 K37 °C
373.15 K100 °C
500 K226.85 °C
1,000 K726.85 °C

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Frequently asked questions

How many Celsius are in 1 kelvin?

1 kelvin is equal to -272.15 °C.

How do I convert Kelvin to Celsius?

Use the formula °C = K − 273.15. For example, 300 K is 26.85 °C.

How do I convert Celsius back to Kelvin?

Use the formula K = °C + 273.15, or open the Celsius to Kelvin converter.

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