How do I convert Kelvin to Celsius?

Subtract 273.15 from the Kelvin temperature.

What is 273.15 K in Celsius?

273.15 K equals 0°C — the freezing point of water.

373.15 K equals 100°C — the boiling point of water.

Kelvin starts at absolute zero and has no negative values, making it ideal for scientific calculations involving ratios and proportions.

Convert Kelvin to Celsius. Formula: °C = K − 273.15. Temperature conversion table. Free online tool.

Convert Kelvin to Celsius

Value

Result

-272.15

1 K = -272.15 °C

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Formula

°C = K − 273.15

Reverse Formula

K = °C + 273.15