Rømer to Réaumur Conversion

Dive into the world of historical temperature scales with our easy-to-use Rømer to Réaumur conversion tool.

Understanding Rømer

Developed by Danish astronomer Ole Rømer in 1701, the Rømer scale is a historical temperature scale where the freezing point of brine (a mixture of salt and water) is set at 0°Rø, and the boiling point of water at 60°Rø.

Understanding Réaumur

Created by French scientist René Antoine Ferchault de Réaumur in 1730, the Réaumur scale is another historical temperature scale. On this scale, water freezes at 0°R and boils at 80°R.

The Conversion Formula

The mathematical magic behind the conversion is captured in this formula:

**Raumur (°R) = (Rømer (°Rø) - 7.5) * (16/21)**

Effortless Conversion with Our Calculator

Tired of manual calculations? Our online calculator simplifies the process:

Calculate Now

Simply input the temperature in Rømer degrees (°Rø), and instantly receive the equivalent value in Réaumur degrees (°R).

Example Conversion

Let's say you have a temperature of 30°Rø. Here's how to convert it using our calculator:

  1. Enter "30" into the calculator.
  2. Click "Calculate."
  3. The calculator will swiftly display the corresponding temperature in Réaumur degrees.

Explore the fascinating world of historical temperature scales with our user-friendly Rømer to Réaumur converter.

Rømer Réaumur Rømer Réaumur Rømer Réaumur Rømer Réaumur
1°Rø-9.90ºRé21°R20.57ºRé41°Rø51.05ºRé61°Rø81.52ºRé
2°Rø-8.38ºRé22°Rø22.10ºRé42°Rø52.57ºRé62°Rø83.05ºRé
3°Rø-6.86ºRé23°Rø23.62ºRé43°Rø54.10ºRé63°Rø84.57ºRé
4°Rø-5.33ºRé24°Rø25.14ºRé44°Rø55.62ºRé64°Rø86.10ºRé
5°Rø-3.81ºRé25°Rø26.67Ré45°Rø57.14ºRé65°Rø87.62ºRé
6°Rø-2.29ºRé26°Rø28.19ºRé46Rø58.67ºRé66°Rø89.14ºRé
7°Rø-0.76ºRé27°Rø29.71ºRé47°Rø60.19ºRé67°Rø90.67ºRé
8°Rø0.76ºRé28°Rø31.24ºRé48°Rø61.71ºRé68°Rø92.19ºRé
9°Rø2.29ºRé29°Rø32.76ºRé49°Rø63.24ºR69°Rø93.71ºRé
10°Rø3.81ºRé30°Rø34.29ºRé50°Rø64.76ºRé70°R95.24ºRé
11°Rø5.33ºRé31°Rø35.81ºRé51°Rø66.29ºRé71°Rø96.76ºRé
12°Rø6.86ºRé32°Rø37.33ºRé52°Rø67.81ºRé72°Rø98.29ºRé
13°R8.38ºRé33°Rø38.86ºRé53°Rø69.33ºRé73°Rø99.81ºRé
14°Rø9.90ºRé34°Rø40.38ºRé54°Rø70.86ºRé74°Rø101.33ºRé
15°Rø11.43ºRé35°Rø41.90ºRé55°Rø72.38ºRé75°Rø102.86ºRé
16°Rø12.95ºRé36°Rø43.43ºRé56°Rø73.90ºR76°Rø104.38ºRé
17°Rø14.48ºRé37°Rø44.95ºRé57°Rø75.43ºRé77°Rø105.90ºRé
18°Rø16.00ºRé38°Rø46.48ºRé58°Rø76.95ºRé78°Rø107.43ºRé
19°Rø17.52ºRé39°Rø48.00Ré59°Rø78.48ºRé79°Rø108.95ºRé
20°Rø19.05ºRé40°Rø49.52ºRé60°Rø80.00ºRé80°Rø110.48ºRé