Convert Celsius to Réaumur
Turn Celsius into Réaumur in an instant. Type a value below to get an accurate °C → °Ré result, with the formula and a quick-reference table.
1 °C = 0.8 °Ré
Quick answer: 1 Celsius = 0.8 Réaumur
Celsius to Réaumur conversion table
| Celsius (°C) | Réaumur (°Ré) |
|---|---|
| 1 °C | 0.8 °Ré |
| 2 °C | 1.6 °Ré |
| 5 °C | 4 °Ré |
| 10 °C | 8 °Ré |
| 20 °C | 16 °Ré |
| 50 °C | 40 °Ré |
| 100 °C | 80 °Ré |
| 500 °C | 400 °Ré |
| 1,000 °C | 800 °Ré |
How to convert Celsius to Réaumur
- Enter the value in Celsius in the converter above.
- It applies the exact °C → °Ré formula instantly.
- Read the converted result in Réaumur.
For example, human body temperature is about 37 °C, which is 29.6 °Ré.
About Celsius and Réaumur
Celsius is the everyday metric temperature scale, with water freezing at 0° and boiling at 100° at sea level. It is used for weather, cooking and body temperature almost everywhere outside the US.
Réaumur is a historical scale with water freezing at 0° and boiling at 80°. It is now rare, but survives in some European food and cheese-making traditions.
The Celsius and the Réaumur are different scales, so the converter applies the exact °C → °Ré formula — handling any offset between them — to give an accurate result every time.
Other temperature conversions
Frequently asked questions
How many Réaumur are in a Celsius?
1 Celsius converts to 0.8 Réaumur (°C → °Ré). For any other amount, enter it in the converter above — it applies the exact °C → °Ré formula instantly, with full precision.
How do I convert Celsius to Réaumur?
Enter the number of Celsius in the converter above and read the result in Réaumur. It applies the exact °C → °Ré factor instantly, with full precision.
Is the Celsius to Réaumur converter free?
Yes — it is completely free and unlimited, needs no sign-up, and runs right in your browser, so it is instant and private.
Is the conversion accurate?
Yes. It uses the internationally defined temperature factors and full floating-point precision, then rounds the display to a clean, readable number.