the freezing point of water is 0 degrees C, the corresponding temperature on the Kelvin scale is 273.16. Essentially one just subtracts 273.16 from the celsius reading to convert it into Kelvin.
Kelvin is an SI unit and not a degree of temperature. Celsius is a degree of Kelvin. Kelvin's scale begins at absolute 0. Celsius is scaled equally to Kelvin (1 degree celsius= 1 Kelvin) but begins...