K
Kelvin
Scientific System
Kelvin (K)
Kelvin (K) is the SI base unit for temperature, used in science and engineering. Absolute zero (0 K) is -273.15°C or -459.67°F—the coldest possible temperature where molecular motion stops. No degree symbol is used with Kelvin. Water freezes at 273.15 K. Named after Lord Kelvin.
Convert From Kelvin
Convert To Kelvin
Conversion Factors
1 K
-272.15 °C
1 K
-457.87 °F
1 K
1.8 °R