Enter the temperature in Celsius in the top field, then press the 'Convert' button. Alternatively, you can convert from Réaumur to Celsius by entering the value in Réaumur in the bottom field and press 'Convert'.
Celsius to Réaumur Conversion Formula
Celsius
The Celsius scale is the most commonly used temperature scale and the standard used for most applications by the scientific community worldwide. The boiling point of water is 100 °C. The freezing point is 0 °C. The word centigrade is used in many languages to describe Celsius.
Réaumur
The Réaumur scale, named after René Antoine Ferchault de Réaumur places water freezing point at 0 °Ré and water boiling point at 80 °Ré.