Converters/Temperature

Celsius to Kelvin Converter

Free online celsius to kelvin converter. Add 273.15 to Celsius to get Kelvin. 0°C = 273.15 K. Absolute zero = 0 K = −273.15°C.

How it works

Add 273.15 to Celsius to get Kelvin. 0°C = 273.15 K. Absolute zero = 0 K = −273.15°C.

Celsius to Kelvin Conversion Table

Celsius (°C)Kelvin (K)
0.5 °C273.65 K
1 °C274.15 K
2 °C275.15 K
5 °C278.15 K
10 °C283.15 K
20 °C293.15 K
50 °C323.15 K
100 °C373.15 K
250 °C523.15 K
500 °C773.15 K
1,000 °C1,273.15 K

How the Conversion Works

Add 273.15 to Celsius to get Kelvin. 0°C = 273.15 K. Absolute zero = 0 K = −273.15°C.

Going the other way: 1 K = -272.15 °C. Enter a value in either field above and the converter runs the math in both directions instantly.

Frequently Asked Questions