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Degrees Celsius to Kelvins Converter

K = °C + 273.15. For example, 0 °C = 273.15 K.

Result

273.15K

K = °C + 273.15

On the thermometer
32 °F98.6 °F212 °F
0 °C37 °C100 °C
  • 0 °C · Water freezes
  • 37 °C · Body temperature
  • 100 °C · Water boils

0 °C = 273.2 K

Quick challenge

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How it works

Formula: K = °C + 273.15

Degrees Celsius and kelvins do not share the same zero point or scale, so a simple factor is not enough: K = °C + 273.15. For 25 °C: 25 + 273.15 = 298.15 K.

Degrees Celsius to kelvins conversion table

Degrees Celsius to kelvins conversion table
°CK
-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
37 °C310.15 K
40 °C313.15 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

Frequently asked questions

What is 0 °C in kelvins?

0 °C = 273.15 K, using K = °C + 273.15.

How do I convert degrees Celsius to kelvins?

Use the formula K = °C + 273.15. For example, 0 °C = 273.15 K.

What is 25 °C in kelvins?

25 degrees Celsius = 298.15 kelvins (25 + 273.15 = 298.15).

What is 100 °C in kelvins?

100 degrees Celsius = 373.15 kelvins (100 + 273.15 = 373.15).

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