Convert kelvin to celsius quickly and accurately using this free online converter
Used for weather forecasts, cooking temperatures, and scientific measurements.
💡 The US uses Fahrenheit; the rest of the world uses Celsius. Kelvin is used in science.
°C = K − 273.15
Example: 1 K = -272.15 °C
Use Celsius for international communication; Fahrenheit for US audiences.
Common uses: weather, cooking, and scientific data.
How do I convert K to °C?
Multiply the value in Kelvin by 1. For example: 10 K = -263.15 °C.
When should I use Celsius instead of Kelvin?
Use Celsius for international communication; Fahrenheit for US audiences.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Kelvin (K) | Celsius (°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 |
| 37 K | -236.15 °C |
| 40 K | -233.15 °C |
| 50 K | -223.15 °C |
| 100 K | -173.15 °C |