# Fahrenheit to Réaumur

Calculates the Réaumur temperature from the given Fahrenheit scale value

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## Fahrenheit to Réaumur

The Fahrenheit temperature scale was proposed by Daniel Gabriel Fahrenheit in 1724 with the idea of starting from a brine solution freezes as 0, and 96 is the average temperature of human body. Its unit is represented with ℉ after the value.

The Réaumur temperature scale was proposed by René Antoine Ferchault de Réaumur in 1730, and it is based on the water tristate as well as Celsius, placing the 0 at the point when the liquid water freezes, and the value of 80 at the point when the liquid water boils. Its unit is represented with °Ré, with °Re, and sometimes with °r after the value.

The Réaumur temperature scale values are calculated from Fahrenheit using the formula $$(Fahrenheit - 32) × {4 \over 9}$$

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