Celsius to kelvin converter (°C to K)

1 Celsius = 274.15 kelvin · 1 kelvin = -272.15 Celsius

Formula and table →

Celsius to kelvin formula

kelvin = Celsius + 273.15

Worked example

30 Celsius = 30 + 273.15 = 303.15 kelvin

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Celsius to kelvin conversion table

Celsius (°C)kelvin (K)
-40 °C233.15 K
-30 °C243.15 K
-20 °C253.15 K
-10 °C263.15 K
-5 °C268.15 K
0 °C273.15 K
5 °C278.15 K
10 °C283.15 K
15 °C288.15 K
20 °C293.15 K
25 °C298.15 K
30 °C303.15 K
35 °C308.15 K
36 °C309.15 K
37 °C310.15 K
38 °C311.15 K
39 °C312.15 K
40 °C313.15 K
45 °C318.15 K
50 °C323.15 K
60 °C333.15 K
70 °C343.15 K
80 °C353.15 K
90 °C363.15 K
100 °C373.15 K
150 °C423.15 K
180 °C453.15 K
200 °C473.15 K
250 °C523.15 K

About these units

Celsius (°C)
Water freezes at 0 °C and boils at 100 °C.
kelvin (K)
The SI unit, starting at absolute zero (−273.15 °C).

FAQ

How many kelvin in 1 Celsius?

1 Celsius is 274.15 kelvin.

How many Celsius in 1 kelvin?

1 kelvin is -272.15 Celsius.

What is the formula to convert Celsius to kelvin?

kelvin = Celsius + 273.15. For example, 30 Celsius = 30 + 273.15 = 303.15 kelvin.

What is 30 Celsius in kelvin?

30 Celsius = 303.15 kelvin.

Convert Celsius to other units

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