Celsius to Kelvin

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c
k
1 c = — k

Quick reference

Celsius (c)Kelvin (k)

Formula

K = °C + 273.15

Add 273.15 to the Celsius value. For example, 20°C + 273.15 = 293.15 K.

About this conversion

The Celsius scale (°C) is the standard temperature scale used in most countries. Learn more →

The Kelvin (K) is the base SI unit of temperature, starting at absolute zero (−273.15°C). Learn more →

Source: NIST International Reference