Enter a temperature to convert kelvin to celsius instantly. The box works both ways and shows the exact formula, so you learn the conversion, not just the answer.
°C = K − 273.15 · Open the full converter →
🎁 100% free · no sign-up · works offline.
The formula is °C = K − 273.15. For example, 300 K = 26.85 °C.
| Kelvin (K) | Celsius (°C) |
|---|---|
| 0 K | -273.15 °C |
| 100 K | -173.15 °C |
| 273.15 K | 0 °C |
| 300 K | 26.85 °C |
| 373.15 K | 100 °C |
| 500 K | 226.85 °C |
Tutorfic is a personal AI tutor for Class 1–12 — free to start.
Try Tutorfic free →