The formula to convert Celsius to Kelvin is simply: K = C + 273.15. The Kelvin scale starts at absolute zero (-273.15°C), the lowest possible temperature. Kelvin is the SI unit of temperature used in scientific research.
Celsius to Kelvin Converter
Convert Celsius temperatures to the Kelvin scale
How to celsius to kelvin
- 1.Enter the temperature in Celsius.
- 2.The Kelvin equivalent appears instantly.
- 3.Use swap to convert Kelvin to Celsius.
- 4.Click common values below for quick reference.
About This Tool
Frequently Asked Questions
0°C equals 273.15 K — the freezing point of water on the Kelvin scale.
Absolute zero is 0 K, which equals -273.15°C. It is the theoretical lowest possible temperature.
No. Kelvin is written without a degree symbol: 300 K, not 300°K. This is an SI convention.