Kelvin to Celsius converter (K to °C)

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

Formula and table →

kelvin to Celsius formula

Celsius = kelvin − 273.15

Worked example

30 kelvin = 30 − 273.15 = -243.15 Celsius

⇄ Convert Celsius to kelvin (swap units)

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kelvin to Celsius conversion table

kelvin (K)Celsius (°C)
-40 K-313.15 °C
-30 K-303.15 °C
-20 K-293.15 °C
-10 K-283.15 °C
-5 K-278.15 °C
0 K-273.15 °C
5 K-268.15 °C
10 K-263.15 °C
15 K-258.15 °C
20 K-253.15 °C
25 K-248.15 °C
30 K-243.15 °C
35 K-238.15 °C
36 K-237.15 °C
37 K-236.15 °C
38 K-235.15 °C
39 K-234.15 °C
40 K-233.15 °C
45 K-228.15 °C
50 K-223.15 °C
60 K-213.15 °C
70 K-203.15 °C
80 K-193.15 °C
90 K-183.15 °C
100 K-173.15 °C
150 K-123.15 °C
180 K-93.15 °C
200 K-73.15 °C
250 K-23.15 °C

About these units

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

FAQ

How many Celsius in 1 kelvin?

1 kelvin is -272.15 Celsius.

How many kelvin in 1 Celsius?

1 Celsius is 274.15 kelvin.

What is the formula to convert kelvin to Celsius?

Celsius = kelvin − 273.15. For example, 30 kelvin = 30 − 273.15 = -243.15 Celsius.

What is 30 kelvin in Celsius?

30 kelvin = -243.15 Celsius.

Convert kelvin to other units

kelvin → Fahrenheit

More in Temperature