What is the formula for converting celsius to Kelvin?

Answer 1

Celsius and Kelvin scales use the same size unit or "degree." But Kelvin has its zero point at absolute zero rather than the freezing point of water. Absolute zero (zero K) is about -273.15° Celsius.

To convert Celsius to Kelvin, add 273.15. For example 100° C is 373.15 kelvins.

To convert kelvins to Celsius, subtract 273.15. For very large numbers, such as 5000 K, the value (4726.85° C) is not going to be that different.