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Celsius to Kelvin Converter

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

Enter values

Results update as you type.

Result

Kelvin

298.15 K

Fahrenheit
77 °F
Rankine
536.67 °R

Celsius to Kelvin conversion table

Celsius (°C)Kelvin (K)
0.1273.25
0.5273.65
1274.15
2275.15
5278.15
10283.15
20293.15
50323.15
100373.15
500773.15
1,0001,273.15

About the Celsius to Kelvin Converter

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

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

How to use this calculator

  1. Enter value in celsius.
  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

K = °C + 273.15

Worked example

Using the values pre-filled in the calculator above:

  • Value in celsius = 25 °C

the calculator returns:

  • Kelvin: 298.15 K
  • Fahrenheit: 77 °F
  • Rankine: 536.67 °R

Frequently asked questions

How many kelvin are in one celsiu?

1 °C equals 274.15 K.