Skip to content
RK Calculator
Menu

Celsius to Kelvins Converter

Convert degrees Celsius (°C) to kelvins (K), with the formula, a conversion table and exact factors.

Change the values and press Calculate to work out your own figures.

Enter a temperature, choose its unit and the unit you want. The answer is exact until it is shown, and the same value appears in every other unit.

About valueA number, fraction (3/8), mixed number (1 1/2), scientific notation (2.5e6) or a simple sum such as 2*3.
About toThe unit you want the answer in. Swap exchanges the two units.
Result
Result
274.15 K
degrees Fahrenheit
33.8 °F
degrees Rankine
493.47 °R
degrees Delisle
148.5 °De
degrees Newton
0.33 °N

1 °C = 274.15 K

Show the working
  1. 1 °C = 274.15 K

How to convert celsius to kelvins

These scales have different zero points as well as different degree sizes, so the conversion adds or subtracts an offset as well as multiplying.

Worked example:

100 °C = 373.15 K

Celsius to kelvins table

CelsiusKelvins
-40 °C233.15 K
-20 °C253.15 K
-10 °C263.15 K
0 °C273.15 K
10 °C283.15 K
20 °C293.15 K
25 °C298.15 K
30 °C303.15 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
200 °C473.15 K
250 °C523.15 K
300 °C573.15 K

About the units

Celsius (°C)
Degrees Celsius, a metric unit. Definition: BIPM SI Brochure (t/°C = T/K − 273.15).
Kelvins (K)
Kelvins, a metric unit. Definition: BIPM SI Brochure.

Formula version 0.1.0Reviewed