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Kelvin to Celsius

Convert kelvin (K) to celsius (°C) — with the exact factor, a quick-reference table and a free converter that works offline.

°C = K − 273.15

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Conversion table

Kelvin (K)Celsius (°C)
0 K-273.15 °C
100 K-173.15 °C
200 K-73.15 °C
255.37 K-17.78 °C
273.15 K0 °C
300 K26.85 °C
310 K36.85 °C
373.15 K100 °C

How the conversion works

Kelvin and Celsius are temperature scales related by an exact formula: °C = K − 273.15. SI base unit of temperature.

FAQ

What is 255.37 K in Celsius?

255.37 K equals -17.78 °C.

How do I convert Kelvin to Celsius?

°C = K − 273.15.

Is the conversion exact?

Yes — the relationship between Kelvin and Celsius is an exact defined formula (BIPM SI Brochure).

Related conversions

Celsius to Kelvin Celsius to Fahrenheit Fahrenheit to Celsius Kelvin to Fahrenheit

Conversion factors: BIPM SI Brochure. Computed by the same engine that powers the app.

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