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Kelvins to Celsius

For physics, chemistry and weather data given in kelvin.

-272.15

1 kelvin = -272.15 degrees Celsius

Formula: °C = K − 273.15

How to convert

How to convert kelvins to degrees Celsius

Temperature scales have different starting points, so converting takes two steps rather than one multiplication. Use this formula:

°C = K − 273.15

Example: 280 kelvins = 6.85 degrees Celsius.

Kelvins to Celsius table

kelvins (K)degrees Celsius (°C)
0 K-273.15 °C
100 K-173.15 °C
200 K-73.15 °C
250 K-23.15 °C
260 K-13.15 °C
270 K-3.15 °C
273.15 K0 °C
280 K6.85 °C
290 K16.85 °C
293.15 K20 °C
300 K26.85 °C
310 K36.85 °C
373.15 K100 °C
500 K226.85 °C

About the units

  • The kelvin is the SI unit of temperature. It starts at absolute zero, the coldest possible temperature, so there are no negative kelvins, and it is written without "degrees".
  • Celsius sets 0° at the freezing point and 100° at the boiling point of water at sea level. It is used in most of the world.

Convert degrees Celsius to kelvins · All temperature conversions

Frequently asked questions

What is the formula to convert kelvins to Celsius?

°C = K − 273.15. For example, 280 kelvins is 6.85 degrees Celsius.

What is 0 K in Celsius?

0 K is -273.15 °C.

What is 100 K in Celsius?

100 K is -173.15 °C.

At what temperature are Celsius and Fahrenheit the same?

At −40: minus 40 °C is exactly minus 40 °F.