Kelvin to Celsius
Convert Kelvin (K) to Celsius (°C) instantly, with a formula, reference table, and FAQ.
Formula
Celsius = (Kelvin × 1) + -273.15
Kelvin (K) and Celsius (°C) are both units of temperature. Use the converter above for any value, or check the quick-reference table below for common amounts.
Quick reference
| K | °C |
|---|---|
| 1 K | -272.15 °C |
| 5 K | -268.15 °C |
| 10 K | -263.15 °C |
| 25 K | -248.15 °C |
| 50 K | -223.15 °C |
| 100 K | -173.15 °C |
| 500 K | 226.85 °C |
| 1000 K | 726.85 °C |
Frequently asked questions
How many Celsius is one Kelvin?
One Kelvin (K) equals -272.15 Celsius (°C).
How do I convert Kelvin to Celsius?
Multiply the value in Kelvin by 1, then add -273.15, to get Celsius.
Is the Kelvin to Celsius conversion exact?
Yes — this converter uses the internationally defined conversion factor between kelvin and celsius, accurate to several decimal places.