Convert Celsius to Réaumur
Degrees Celsius to degrees Réaumur. Enter a value to convert, or use the Celsius to Réaumur chart further down the page.
1 degree Celsius equals 0.8 degrees Réaumur. Going the other way, 1 degree Réaumur = 1.25 degrees Celsius.
How to convert Celsius to Réaumur
To convert degrees Celsius to degrees Réaumur, multiply the degree Celsius value by 0.8. You can also divide by 1.25 to get the same answer.
°Ré = °C × 0.8
Worked example
Convert 20 °C to degrees Réaumur:
20 °C = 16 °Ré
Celsius to Réaumur conversion chart
Use this Celsius to Réaumur table for quick reference without typing anything.
| degrees Celsius (°C) | degrees Réaumur (°Ré) |
|---|---|
| -40 °C | -32 °Ré |
| -30 °C | -24 °Ré |
| -20 °C | -16 °Ré |
| -10 °C | -8 °Ré |
| 0 °C | 0 °Ré |
| 10 °C | 8 °Ré |
| 20 °C | 16 °Ré |
| 25 °C | 20 °Ré |
| 30 °C | 24 °Ré |
| 37 °C | 29.6 °Ré |
| 40 °C | 32 °Ré |
| 50 °C | 40 °Ré |
| 100 °C | 80 °Ré |
What is a degree Celsius?
The Celsius scale places 0 °C at the freezing point of water and 100 °C at its boiling point at standard pressure. It is the everyday temperature scale in almost every country.
What is a degree Réaumur?
The Réaumur scale sets water’s freezing point at 0 °Ré and its boiling point at 80 °Ré. It is largely historical but survives in some cheese and syrup making.
Frequently asked questions
How many Réaumur are in a degree Celsius?
1 Celsius equals 0.8 Réaumur. Going the other way, 1 Réaumur is 1.25 Celsius.
How do you convert Celsius to Réaumur?
To convert degrees Celsius to degrees Réaumur, multiply the degree Celsius value by 0.8. You can also divide by 1.25 to get the same answer.
What is 10 Celsius in Réaumur?
10 Celsius equals 8 Réaumur. The conversion chart on this page lists the other values people look up most often.
Related temperature conversions
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