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Celsius to Kelvin

Convert Celsius to Kelvin, with the math shown step by step.

Kelvins
291.15 K

18 °C = 291.15 K

Also equals

How it works

K = °C + 273.15

A kelvin is the same size as a Celsius degree; the Kelvin scale just starts at absolute zero, 273.15 degrees below 0 °C. So add 273.15.

  1. Add 273.15 18 + 273.15 = 291.15 K

Nearby values

Degrees Celsius Kelvins Degrees Fahrenheit
15 °C 288.15 K 59
16 °C 289.15 K 60.8
17 °C 290.15 K 62.6
18 °C 291.15 K 64.4
19 °C 292.15 K 66.2
20 °C 293.15 K 68
21 °C 294.15 K 69.8