Convert kelvins to degrees Celsius
Enter a temperature in kelvins to get degrees Celsius. Formula: °C = K − 273.15.
How to use the Kelvin to degree Celsius
- Type the number of kelvins.
- Click Convert.
- Read the result in degrees Celsius, plus the same value in every other temperature unit.
K to °C formula
°C = K − 273.15
Worked example
300 K → 300 − 273.15 = 26.85 °C.
Kelvins to degrees Celsius conversion table
| Kelvins | Degrees Celsius |
|---|---|
| 0 K | -273.15 °C |
| 100 K | -173.15 °C |
| 200 K | -73.15 °C |
| 273.15 K | 0 °C |
| 293.15 K | 20 °C |
| 300 K | 26.85 °C |
| 310.15 K | 37 °C |
| 373.15 K | 100 °C |
| 500 K | 226.85 °C |
| 1,000 K | 726.85 °C |
About the kelvin
The SI unit; 0 K is absolute zero and one kelvin equals one degree Celsius in size. Used in science and for colour temperature of light.
About the degree Celsius
Water freezes at 0 °C and boils at 100 °C at sea level. The everyday scale almost everywhere except the USA.
Related conversions
degrees Celsius to kelvins · kelvins to degrees Fahrenheit · any unit.
Frequently asked questions
How many degrees Celsius in a kelvin?
Use °C = K − 273.15.
How many kelvins in a degree Celsius?
Use the inverse: K = °C + 273.15.
Is the factor exact?
Yes, the formulas are exact by definition.
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Last updated 2026-09-23.