UNIT CONVERSION

Kelvins to degrees Celsius

To convert kelvins to degrees Celsius, use °C = K − 273.15.

← Temperature converter

°C = K − 273.15

QUICK ANSWER

The short answer

  • °C = K − 273.15
  • 0 K = −273.15 °C
  • 100 K = −173.15 °C
Worked example300 K = 26.85 °C
THE UNITS

What the units mean

Kelvin. The kelvin is the SI unit of temperature. 0 K is absolute zero, and a change of 1 K is the same size as a change of 1 °C.

Degree celsius. The Celsius scale puts the freezing point of water at 0 °C and its boiling point at sea level at 100 °C. 0 °C is 273.15 K.

CONVERSION TABLE

Kelvins to degrees Celsius table

Kelvins (K)Degrees celsius (°C)
0−273.15
50−223.15
77−196.15
100−173.15
200−73.15
250−23.15
273.150
2806.85
29016.85
293.1520
298.1525
30026.85
31036.85
35076.85
373.15100
400126.85
500226.85
1,000726.85
5,7785,504.85

Values are rounded to 7 significant figures.

QUESTIONS

Common questions

How do I convert kelvins to degrees Celsius?

Use °C = K − 273.15. For example, 300 K = 26.85 °C.

What is 300 K in °C?

300 K is 26.85 °C.

Is this conversion exact?

Yes. Both units have exact legal definitions, so the factor is exact. Values on this page are rounded to 7 significant figures.