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The Reaumur scale, symbol (°Ré, °Re, °r), also known as the "octogesimal division", is a temperature scale for which the freezing and boiling points of water are defined as 0 and 80 degrees respectively. The scale is named for René Antoine Ferchault de Réaumur, who first proposed a similar scale in 1730.

Symbol/abbreviation: °Re
TEMPERATURE's base unit: kelvin (SI Unit)
In relation to the base unit (kelvin), 1 Reaumur = 274.4 kelvin.

Conversion table
1 Reaumur (°Re) to all temperature units

1 °Re= 1.25 celsius (°C)
1 °Re= 148.125 delisle (°De)
1 °Re= 34.25 fahrenheit (°F)
1 °Re= 274.4 kelvin (K)
1 °Re= 0.4125 newton scale (°N)
1 °Re= 493.92 rankine (°R)
1 °Re= 1 reaumur (°Re)
1 °Re= 8.15625 romer (°Rø)