Convert kelvin to degree Celsius

Convert kelvin (K) to degrees Celsius (°C) instantly.

Value in kelvin

1 K =

-272.15 °C

degrees Celsius

Need the reverse? Convert degree Celsius to kelvin →

Formula

°C = K − 273.15

kelvin to degree Celsius conversion table

-40 K-313.15 °C

-10 K-283.15 °C

0 K-273.15 °C

10 K-263.15 °C

20 K-253.15 °C

25 K-248.15 °C

30 K-243.15 °C

37 K-236.15 °C

50 K-223.15 °C

100 K-173.15 °C

About converting kelvin to degrees Celsius

Kelvin to Celsius converts the SI base unit of temperature into everyday degrees Celsius. Subtract 273.15 from the kelvin value.

Method & sources

Conversions use exact legal definitions rather than rounded approximations: 1 inch = 2.54 cm and 1 pound = 0.45359237 kg (fixed by the 1959 international yard and pound agreement), 1 mile = 1.609344 km, and 1 US liquid gallon = 3.785411784 litres. Temperatures convert with °F = °C × 9⁄5 + 32 and K = °C + 273.15. Results are rounded only for display.

Page last updated: October 1, 2026

Frequently asked questions

How many degrees Celsius are in a kelvin?

One kelvin equals -272.15 degrees Celsius. So 10 kelvin is -263.15 degrees Celsius. Use the converter above for any value.

What is the formula to convert kelvin to degrees Celsius?

°C = K − 273.15

Is the kelvin-to-degree Celsius conversion exact?

Yes. Temperature scales convert by an exact formula, not an approximation, so the result is precise for any input.

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