Kelvin (K)

Definition

Kelvin (K) is the SI unit of thermodynamic temperature. It is one of the seven base units in the International System of Units (SI).

5 Must Know Facts For Your Next Test

1. The Kelvin scale starts at absolute zero, where all molecular motion stops.
2. One kelvin is defined as 1/273.16 of the thermodynamic temperature of the triple point of water.
3. The Kelvin scale does not use degrees; it is simply 'kelvin.'
4. To convert Celsius to Kelvin, add 273.15 to the Celsius temperature.
5. Kelvin is essential for scientific measurements because it provides an absolute reference point.

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Related terms

Celsius:

A temperature scale where water freezes at 0 degrees and boils at 100 degrees under standard conditions.

Absolute Zero:

The lowest possible temperature, 0 K, where molecular motion ceases.

Thermodynamic Temperature: Temperature measured on an absolute scale based on fundamental physical laws.