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Kelvin to Celsius Converter

Convert kelvin (K) to celsius (°C) instantly. Includes the exact conversion factor, formula and a quick reference table.

Enter values

Results update as you type.

Result

Celsius

26.85 °C

Fahrenheit
80.33 °F
Rankine
540 °R

Kelvin to Celsius conversion table

Kelvin (K)Celsius (°C)
0.1-273.05
0.5-272.65
1-272.15
2-271.15
5-268.15
10-263.15
20-253.15
50-223.15
100-173.15
500226.85
1,000726.85

About the Kelvin to Celsius Converter

Convert kelvin (K) to celsius (°C) instantly. Includes the exact conversion factor, formula and a quick reference table.

Also known as: K to °C, Kelvin to Celsius, convert Kelvin to Celsius, k to c, k to c, convert kelvin to celsius.

How to use this calculator

  1. Enter value in kelvin.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

°C = K − 273.15

Worked example

Using the values pre-filled in the calculator above:

  • Value in kelvin = 300 K

the calculator returns:

  • Celsius: 26.85 °C
  • Fahrenheit: 80.33 °F
  • Rankine: 540 °R

Frequently asked questions

How many celsius are in one kelvin?

1 K equals -272.15 °C.