Definition:Kelvin

Definition
The kelvin is the SI base unit of absolute temperature.

Its two reference points are:
 * $0 \ \mathrm K$, which is set at absolute zero, the temperature at which all thermal motion stops
 * $273 \cdotp 16 \ \mathrm K$, which is set at the of water ($0.01 \cels$)

Also see

 * Definition:Celsius
 * Definition:Fahrenheit
 * Definition:Rankine