Convert Kelvin to Celsius (K to °C)
Convert kelvin to celsius instantly. Formula: °C = K − 273.15. Free kelvin-to-celsius converter with table and formula.
This kelvin to celsius converter gives you exact results as you type. The conversion uses the formula °C = K − 273.15. It works offline once loaded and never sends your data anywhere.
Kelvin is the SI unit of thermodynamic temperature; 0 K is absolute zero, equal to −273.15°C. Conversions like this one matter in temperature readings in weather, cooking, science, and medicine. It bridges SI units and the metric system, which is why this conversion comes up so often. The Celsius scale sets 0° at the freezing point of water and 100° at its boiling point at sea level.
-272.15-457.871Conversion formula
°C = K − 273.15Conversion table
| Value | Converted |
|---|---|
| -40 K | -313.15 °C |
| 0 K | -273.15 °C |
| 10 K | -263.15 °C |
| 20 K | -253.15 °C |
| 37 K | -236.15 °C |
| 100 K | -173.15 °C |
| 212 K | -61.15 °C |
Frequently Asked Questions
What is 20K in °C?
20K equals -253.15°C. Apply the formula °C = K − 273.15.
How do you convert kelvins to degrees Celsius?
Use the formula °C = K − 273.15. For example, 20K works out to -253.15°C.
At what point are kelvins and degrees Celsius equal?
The scales differ by a fixed offset, so they never read the same value (Kelvin is Celsius shifted by 273.15).
Is this kelvin to celsius converter free and private?
Yes. It is completely free, requires no signup, and the conversion happens entirely in your browser — no values are sent to any server.
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