The formula use for the conversion of temperature scale from Celsius to Kelvin is K = C + 273
The Kelvin temperature scale is a temperature scale that is absolute. The lowest temperature ever recorded on Earth is --273⁰C. At this temperature, all molecular activity come to a halt.
The Kelvin scale is used in almost all scientific formulae. This is the only scale where temperature ratios make sense. Particle average energy is proportional to Kelvin temperature.
For cryogenic field, the Kelvin temperature scale is employed. People get bored of writing minus signs after a while, therefore it's better to say that the temperature of boiling liquid nitrogen is 77 K rather than - 196 C.
The Kelvin temperature scale is divided into 100 scales just like the Celsius scale, only that 0⁰C is equal to 273K
Hence,
K = C + 273
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