The Delisle and Rømer scales are both historical temperature scales. While less common today, understanding their conversions can be crucial for historical research or scientific data analysis. This blog post will guide you through the Delisle to Rømer conversion process and provide a handy online calculator.
The Delisle scale, invented by French astronomer Joseph-Nicolas Delisle in 1732, is a descending scale. This means the boiling point of water is 0°D, and the freezing point of water is 150°D.
The Rømer scale, developed by Danish astronomer Ole Rømer in 1701, is also a descending scale. On this scale, the freezing point of brine (a mixture of salt and water) is 0°Rø, and the boiling point of water is 60°Rø.
The formula to convert Delisle to Rømer is:
**Rømer (°Rø) = 7.5 - (Delisle (°D) * (2/25))**
Simply enter the temperature in Delisle degrees (°D) into the calculator, and it will instantly display the equivalent temperature in Rømer degrees (°Rø).
Let's say you have a temperature of 50°D. To convert this to Rømer:
Our online calculator offers several advantages:
Delisle | Rømer | Delisle | Rømer | Delisle | Rømer | Delisle | Rømer |
---|---|---|---|---|---|---|---|
1°De | 59.65°Rø | 21°De | 52.65°Rø | 41°De | 45.65°Rø | 61°De | 38.65°Rø |
2°De | 59.30°Rø | 22°De | 52.30°Rø | 42°De | 45.30°Rø | 62°De | 38.30°Rø |
3°De | 58.95°Rø | 23°De | 51.95°Rø | 43°De | 44.95°Rø | 63°De | 37.95°Rø |
4°De | 58.60°Rø | 24°De | 51.60°Rø | 44°De | 44.60°Rø | 64°De | 37.60°Rø |
5°De | 58.25°Rø | 25°De | 51.25°Rø | 45°De | 44.25°Rø | 65°De | 37.25°Rø |
6°De | 57.90°Rø | 26°De | 50.90°Rø | 46°De | 43.90°Rø | 66°De | 36.90°Rø |
7°De | 57.55°Rø | 27°De | 50.55°Rø | 47°De | 43.55°Rø | 67°De | 36.55°Rø |
8°De | 57.20°Rø | 28°De | 50.20°Rø | 48°De | 43.20°Rø | 68°De | 36.20°Rø |
9°De | 56.85°Rø | 29°De | 49.85°Rø | 49°De | 42.85°Rø | 69°De | 35.85°Rø |
10°De | 56.50°Rø | 30°De | 49.50°R | 50°De | 42.50°Rø | 70°De | 35.50°Rø |
11°De | 56.15°Rø | 31°De | 49.15°Rø | 51°De | 42.15°Rø | 71°De | 35.15°Rø |
12°De | 55.80°Rø | 32°De | 48.80°Rø | 52°De | 41.80°Rø | 72°De | 34.80°Rø |
13De | 55.45°Rø | 33°De | 48.45Rø | 53°De | 41.45°Rø | 73°De | 34.45°Rø |
14°De | 55.10°Rø | 34°De | 48.10°Rø | 54°De | 41.10°Rø | 74°De | 34.10°R |
15°De | 54.75°Rø | 35°De | 47.75°Rø | 55°De | 40.75°Rø | 75°De | 33.75°Rø |
16°De | 54.40°Rø | 36°De | 47.40°Rø | 56°De | 40.40°Rø | 76°De | 33.40°Rø |
17°De | 54.05°Rø | 37°De | 47.05°Rø | 57De | 40.05°Rø | 77°De | 33.05Rø |
18°De | 53.70°Rø | 38°De | 46.70°Rø | 58°De | 39.70°Rø | 78°De | 32.70°Rø |
19°De | 53.35°Rø | 39°De | 46.35°Rø | 59°De | 39.35°Rø | 79°De | 32.35°Rø |
20°De | 53.00°Rø | 40°De | 46.00°Rø | 60°De | 39.00°Rø | 80°De | 32.00°Rø |