°Ré → °C: type a value and the result appears instantly.
Temperature scales do not share the same zero point, so you cannot simply multiply. Use this formula:
°C = °Ré × 5/4
| degrees Réaumur (°Ré) | Celsius (°C) |
|---|---|
| -40 °Ré | -50 °C |
| -20 °Ré | -25 °C |
| -10 °Ré | -12.5 °C |
| -5 °Ré | -6.25 °C |
| 0 °Ré | 0 °C |
| 5 °Ré | 6.25 °C |
| 10 °Ré | 12.5 °C |
| 15 °Ré | 18.75 °C |
| 16 °Ré | 20 °C |
| 20 °Ré | 25 °C |
| 25 °Ré | 31.25 °C |
| 30 °Ré | 37.5 °C |
| 40 °Ré | 50 °C |
| 50 °Ré | 62.5 °C |
| 60 °Ré | 75 °C |
| 70 °Ré | 87.5 °C |
| 80 °Ré | 100 °C |
| 100 °Ré | 125 °C |
Degree Réaumur (°Ré): water freezes at 0 °Ré and boils at 80 °Ré (at standard pressure).
Celsius (°C): water freezes at 0 °C and boils at 100 °C (at standard pressure).