Kelvin to Celsius Converter

Kelvin to Celsius converts scientific and color-temperature values back to everyday degrees. Subtract 273.15.

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-73.15

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How to use the Kelvin to Celsius Converter

  1. Type the number of Kelvin in the box
  2. The value in Celsius appears instantly
  3. Use the table for common values, or switch units to convert anything else

Kelvin to Celsius formula

°C = K − 273.15

Example: 200 K × the formula = -73.15 °C.

💡 Room temperature (293–298 K) is 20–25 °C.

Kelvin to Celsius conversion chart

KelvinCelsius
0 K-273.15 °C
77 K-196.15 °C
100 K-173.15 °C
200 K-73.15 °C
273.15 K0 °C
293 K19.85 °C
298 K24.85 °C
300 K26.85 °C
373.15 K100 °C
500 K226.85 °C
1,000 K726.85 °C
5,778 K5,504.85 °C

Frequently asked questions

How do I convert Kelvin to Celsius?

Use the formula °C = K − 273.15. For example, 200 K = -73.15 °C.

What is 1 K in Celsius?

1 K = -272.15 °C.

Any handy reference points?

Room temperature (293–298 K) is 20–25 °C.

Is this Kelvin to Celsius converter accurate?

Yes. It uses exact definitions (for example, 1 inch = 2.54 cm and 1 lb = 0.45359237 kg) and shows up to 10 significant digits.

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