Convert Kelvin to Celsius
Convert Kelvin (K) to Celsius (°C) instantly. Enter a value below and the result updates live — accurate to 8 significant figures. 1 Kelvin = -272.15 Celsius.
Temperature uses non-linear formulas (offset + scale) — Kelvin is the internal base.
Kelvin to Celsius formula
Subtract 273.15 from the Kelvin value.
Kelvin to Celsius conversion table
| Kelvin (K) | Celsius (°C) |
|---|---|
| 1 | -272.15 |
| 5 | -268.15 |
| 10 | -263.15 |
| 20 | -253.15 |
| 50 | -223.15 |
| 100 | -173.15 |
| 500 | 226.85 |
| 1000 | 726.85 |
Kelvin to Celsius — FAQ
What is 1 K in °C?
1 Kelvin (K) equals -272.15 Celsius (°C). For example, 10 K = -263.15 °C.
How do I convert Kelvin to Celsius?
Subtract 273.15 from the Kelvin value. Or simply type any value into the converter above and the Celsius result updates instantly.
Is the Kelvin to Celsius conversion accurate?
Yes. Temperature uses exact offset-and-scale formulas via Kelvin, so every result is precise to 8 significant figures.