Convert Kelvin to Celsius
Enter a value in Kelvin to see it instantly in Celsius, or use the reverse converter below.
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Kelvin
Definition: The SI base unit of temperature, starting at absolute zero with no negative values.
Current use: Used in physics, chemistry, and engineering wherever an absolute scale is required.
Celsius
Definition: A scale where water freezes at 0° and boils at 100° at standard atmospheric pressure.
Current use: The standard temperature scale for weather, cooking, and science in most of the world.
Kelvin to Celsius Conversion Table
| Kelvin [K] | Celsius [°C] |
|---|---|
| -40 K | -313.15 °C |
| -20 K | -293.15 °C |
| 0 K | -273.15 °C |
| 20 K | -253.15 °C |
| 25 K | -248.15 °C |
| 37 K | -236.15 °C |
| 100 K | -173.15 °C |
How to Convert Kelvin to Celsius
Example: convert 1 K to °C:
Handy Kelvin to Celsius Reference Points
| Kelvin [K] | Celsius [°C] |
|---|---|
| -40 K | -313.15 °C |
| 0 K | -273.15 °C |
| 20 K | -253.15 °C |
| 25 K | -248.15 °C |
| 37 K | -236.15 °C |
| 40 K | -233.15 °C |
| 100 K | -173.15 °C |
Frequently Asked Questions
What is the formula to convert Kelvin to Celsius?
°C = K − 273.15. This conversion needs an offset as well as a multiplier because the scales have different zero points.
What is 0 K in °C?
0 K = -273.15 °C.
What is 100 K in °C?
100 K = -173.15 °C.
What is 37 K in °C?
37 K = -236.15 °C.
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