Convert Celsius to Réaumur

Enter a value in celsius to convert it to réaumur. The result updates instantly and includes the formula and calculation steps.

Celsius to Réaumur calculator

to
°C
Réaumur
°Ré

Celsius to Réaumur formula

Use this formula to convert celsius to réaumur:

Réaumur = Celsius * 4 / 5

Calculation

Enter a valid number above to see the formula with your value substituted step by step.

Celsius to Réaumur Conversion Table

Reference values for converting Celsius to Réaumur.

Celsius (°C)Réaumur (°Ré)
0 °C0 °Ré
1 °C0.8 °Ré
2 °C1.6 °Ré
5 °C4 °Ré
10 °C8 °Ré
20 °C16 °Ré
50 °C40 °Ré
100 °C80 °Ré

Worked example

Convert 45 Celsius to Réaumur

Réaumur = 45 × 4 / 5 = 36 Réaumur

About these units

Celsius

Celsius is a unit of temperature measurement that is part of the metric system. It is named after the Swedish astronomer Anders Celsius, who developed the scale. The Celsius scale sets the freezing point of water at 0 degrees and the boiling point at 100 degrees under standard atmospheric pressure. It is widely used in scientific and everyday contexts around the world.

Réaumur

The Réaumur scale is a temperature scale developed by the French scientist René Antoine Ferchault de Réaumur. On this scale, the freezing point of water is 0 degrees, and the boiling point is 80 degrees under standard atmospheric pressure. While not as widely used as Celsius or Fahrenheit, the Réaumur scale was historically employed in some European countries for scientific and industrial purposes.