Convert Réaumur to Celsius
Degrees Réaumur to degrees Celsius. Enter a value to convert, or use the Réaumur to Celsius chart further down the page.
1 degree Réaumur equals 1.25 degrees Celsius. Going the other way, 1 degree Celsius = 0.8 degrees Réaumur.
How to convert Réaumur to Celsius
To convert degrees Réaumur to degrees Celsius, multiply the degree Réaumur value by 1.25. You can also divide by 0.8 to get the same answer.
°C = °Ré × 1.25
Worked example
Convert 20 °Ré to degrees Celsius:
20 °Ré = 25 °C
Réaumur to Celsius conversion chart
Use this Réaumur to Celsius table for quick reference without typing anything.
| degrees Réaumur (°Ré) | degrees Celsius (°C) |
|---|---|
| -40 °Ré | -50 °C |
| -20 °Ré | -25 °C |
| -10 °Ré | -12.5 °C |
| 0 °Ré | 0 °C |
| 10 °Ré | 12.5 °C |
| 20 °Ré | 25 °C |
| 30 °Ré | 37.5 °C |
| 40 °Ré | 50 °C |
| 60 °Ré | 75 °C |
| 80 °Ré | 100 °C |
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.
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.
Frequently asked questions
How many Celsius are in a degree Réaumur?
1 Réaumur equals 1.25 Celsius. Going the other way, 1 Celsius is 0.8 Réaumur.
How do you convert Réaumur to Celsius?
To convert degrees Réaumur to degrees Celsius, multiply the degree Réaumur value by 1.25. You can also divide by 0.8 to get the same answer.
What is 10 Réaumur in Celsius?
10 Réaumur equals 12.5 Celsius. The conversion chart on this page lists the other values people look up most often.
Related temperature conversions
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