Ré°
Réaumur degree (difference)
Temperature differenceexact by definition
A Réaumur degree of difference is exactly 1.25 K, since the Réaumur scale divides the interval between the ice and steam points into 80 parts where Celsius uses 100. A rise of 4 Ré° is a rise of 5 °C.
Watch out: Included for reading historical European data. Nothing modern is specified in it.
| 1 Ré° | 1.25 C° |
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