Rømer to Réaumur

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Réaumur to Rømer (Swap Units)


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Show formula

Rømer to Réaumur formula

ºRé =
(°Rø - 7.5)* 1.5238
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Rømer is a temperature scale named after the Danish astronomer Ole Christensen Rømer, who proposed it in 1701. In this scale, the zero was initially set using freezing brine. The boiling point of water was defined as 60 degrees. Rømer then saw that the freezing point of pure water was roughly one eighth of the way (about 7.5 degrees) between these two points, so he redefined the lower fixed point to be the freezing point of water at precisely 7.5 degrees. The inventor of the Fahrenheit scale Daniel Gabriel Fahrenheit learned of Rømer's work increasing the number of divisions by a factor of four and establishing what is now known as the Fahrenheit scale.


Rømer to Réaumur formula

ºRé =
(°Rø - 7.5)* 1.5238


The Réaumur scale also known as the "octogesimal division", is a temperature scale in which the freezing and boiling points of water are set to 0 and 80 degrees respectively. The scale is named after René Antoine Ferchault de Réaumur, who first proposed something similar in 1730.


Rømer to Réaumur table

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< Smaller Values Larger Values >
Rømer Réaumur
0°Rø -11.43ºRé
1°Rø -9.90ºRé
2°Rø -8.38ºRé
3°Rø -6.86ºRé
4°Rø -5.33ºRé
5°Rø -3.81ºRé
6°Rø -2.29ºRé
7°Rø -0.76ºRé
8°Rø 0.76ºRé
9°Rø 2.29ºRé
10°Rø 3.81ºRé
11°Rø 5.33ºRé
12°Rø 6.86ºRé
13°Rø 8.38ºRé
14°Rø 9.90ºRé
15°Rø 11.43ºRé
16°Rø 12.95ºRé
17°Rø 14.48ºRé
18°Rø 16.00ºRé
19°Rø 17.52ºRé
Rømer Réaumur
20°Rø 19.05ºRé
21°Rø 20.57ºRé
22°Rø 22.10ºRé
23°Rø 23.62ºRé
24°Rø 25.14ºRé
25°Rø 26.67ºRé
26°Rø 28.19ºRé
27°Rø 29.71ºRé
28°Rø 31.24ºRé
29°Rø 32.76ºRé
30°Rø 34.29ºRé
31°Rø 35.81ºRé
32°Rø 37.33ºRé
33°Rø 38.86ºRé
34°Rø 40.38ºRé
35°Rø 41.90ºRé
36°Rø 43.43ºRé
37°Rø 44.95ºRé
38°Rø 46.48ºRé
39°Rø 48.00ºRé
Rømer Réaumur
40°Rø 49.52ºRé
41°Rø 51.05ºRé
42°Rø 52.57ºRé
43°Rø 54.10ºRé
44°Rø 55.62ºRé
45°Rø 57.14ºRé
46°Rø 58.67ºRé
47°Rø 60.19ºRé
48°Rø 61.71ºRé
49°Rø 63.24ºRé
50°Rø 64.76ºRé
51°Rø 66.29ºRé
52°Rø 67.81ºRé
53°Rø 69.33ºRé
54°Rø 70.86ºRé
55°Rø 72.38ºRé
56°Rø 73.90ºRé
57°Rø 75.43ºRé
58°Rø 76.95ºRé
59°Rø 78.48ºRé
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