Kelvin to Celsius converter

How to convert Kelvin to Celsius

°C = K − 273.15. Going the other way: K = °C + 273.15.

Kelvin (K) is the SI unit of temperature. It starts at absolute zero, so 0 K is −273.15 °C. Celsius (°C) puts the freezing point of water at 0 and the boiling point at 100.

Common conversions

• 0 K in Celsius is -273.15 °C.
• 273.15 K in Celsius is 0 °C.
• 300 K in Celsius is 26.85 °C.

K to °C conversion table

Kelvin (K)	Celsius (°C)
0 K	-273.15 °C
100 K	-173.15 °C
200 K	-73.15 °C
273.15 K	0 °C
293.15 K	20 °C
300 K	26.85 °C
310.15 K	37 °C
373.15 K	100 °C

Questions and answers

What is the freezing point of water in Celsius?

Water freezes at 273.15 K, which is 0 °C.

What is the boiling point of water in Celsius?

At sea level, water boils at 373.15 K, which is 100 °C. To convert the other way, use the Celsius to Kelvin converter.

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