Toolydoo

Converter group

Common Converters

Temperature Converter

Result

... Celsius = ... Kelvin

Find the units to convert

Celsius to Kelvin Converter

Use this page to convert celsius values into kelvin, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

This conversion uses an offset formula rather than a single multiplier because the temperature scales start from different zero points.

deg C to K: Apply the scale formula and then add or remove the required offset.

Example: 25 deg C = 298.15 K

Jump to another pair

Celsius to FahrenheitFahrenheit to CelsiusFahrenheit to KelvinKelvin to CelsiusKelvin to Fahrenheit

Celsius

The Celsius scale places water freezing at 0 and boiling at 100 under standard atmospheric pressure.

History: The scale evolved from the work of Anders Celsius and later refinements.

Current use: Celsius is the default temperature scale for weather and daily life in most countries.

Also written as deg C, °C, C, degC, degree C, degrees C, degree Celsius, degrees Celsius, centigrade.

Kelvin

Kelvin uses the same interval size as Celsius, with absolute zero at 0 K.

History: It was developed for thermodynamics and later integrated into the SI system.

Current use: Kelvin is used in science, engineering, and color temperature references.

Also written as K, kelvins.

Celsius to Kelvin table

Celsius [deg C]Kelvin [K]
0.01 deg C273.16 K
0.1 deg C273.25 K
1 deg C274.15 K
2 deg C275.15 K
5 deg C278.15 K
10 deg C283.15 K
20 deg C293.15 K
50 deg C323.15 K
100 deg C373.15 K

Frequently asked questions

  • What is 0 Celsius in Kelvin?

    0 Celsius equals 273.15 Kelvin.

  • What is 100 Celsius in Kelvin?

    100 Celsius equals 373.15 Kelvin.

  • Why does Celsius to Kelvin conversion need more than a multiplier?

    Temperature scales like Celsius and Kelvin start from different zero points, so the conversion uses both a scale factor and an offset.

  • What is 25 Celsius in Kelvin?

    25 Celsius equals 298.15 Kelvin.