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Celsius to Kelvin

1 °C = 274.15 K

⇄
Kelvin (K)274.15

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Formula

This conversion is not a single factor; it uses this formula:

K = °C + 273.15

Conversion table

Celsius (°C)Kelvin (K)
-40233.15
-20253.15
-10263.15
0273.15
5278.15
10283.15
15288.15
20293.15
25298.15
30303.15
35308.15
36.6309.75
37310.15
40313.15
50323.15
100373.15
180453.15
200473.15
250523.15

Frequently asked questions

How many K are in 1 °C?

1 °C = 274.15 K.

How do I convert °C to K?

This conversion is not a single factor; it uses this formula: K = °C + 273.15

What is 100 °C in K?

100 °C = 373.15 K.

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Updated November 9, 2026