Kelvin to Celsius Converter
This free temperature converter converts Kelvin (K) to Celsius (°C) and back again. The conversion uses the formula °C = K − 273.15 — note the additive offset which makes temperature conversions non-proportional.
Type a value in either field — the result updates in real time. The reference table below shows common conversion values at a glance. All calculations run entirely in your browser with no data sent to any server.
| Kelvin (K) | Celsius (°C) |
|---|---|
| 0 K | -273.15 °C |
| 20 K | -253.15 °C |
| 37 K | -236.15 °C |
| 100 K | -173.15 °C |