Convert Fahrenheit to Réaumur
Degrees Fahrenheit to degrees Réaumur. Enter a value to convert, or use the Fahrenheit to Réaumur chart further down the page.
Degrees Fahrenheit and degrees Réaumur are measured on scales with different zero points, so the conversion needs a formula rather than a single factor.
How to convert Fahrenheit to Réaumur
Degrees Fahrenheit and degrees Réaumur use different zero points, so you cannot convert them with a single multiplication. Apply the formula °Ré = (°F − 32) × 4/9 instead.
°Ré = (°F − 32) × 4/9
Worked example
Convert 68 °F to degrees Réaumur:
68 °F = 16 °Ré
Fahrenheit to Réaumur conversion chart
Use this Fahrenheit to Réaumur table for quick reference without typing anything.
| degrees Fahrenheit (°F) | degrees Réaumur (°Ré) |
|---|---|
| -40 °F | -32 °Ré |
| -20 °F | -23.11111111 °Ré |
| 0 °F | -14.22222222 °Ré |
| 32 °F | 0 °Ré |
| 50 °F | 8 °Ré |
| 68 °F | 16 °Ré |
| 72 °F | 17.77777778 °Ré |
| 80 °F | 21.33333333 °Ré |
| 98.6 °F | 29.6 °Ré |
| 100 °F | 30.22222222 °Ré |
| 150 °F | 52.44444444 °Ré |
| 212 °F | 80 °Ré |
What is a degree Fahrenheit?
On the Fahrenheit scale water freezes at 32 °F and boils at 212 °F. It remains the standard scale for weather and cooking in the United States.
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 Fahrenheit?
Degrees Fahrenheit and degrees Réaumur have no fixed ratio, because the two scales start at different zero points. Convert between them with °Ré = (°F − 32) × 4/9 instead of multiplying by a single number.
How do you convert Fahrenheit to Réaumur?
Degrees Fahrenheit and degrees Réaumur use different zero points, so you cannot convert them with a single multiplication. Apply the formula °Ré = (°F − 32) × 4/9 instead.
What is 10 Fahrenheit in Réaumur?
10 Fahrenheit equals -9.777777778 Réaumur. The conversion chart on this page lists the other values people look up most often.
Related temperature conversions
Convert Fahrenheit to other units
Convert other units to Réaumur
Popular conversions
cm to inchesinches to cmkg to lbslbs to kgCelsius to FahrenheitFahrenheit to Celsiusmm to inchesinches to mmkm to milesmiles to kmmeters to feetfeet to meterscm to feetfeet to inchesinches to feetml to fl ozfl oz to mlliters to gallonsgallons to literscups to ml