The Rømer scale (Danish pronunciation: [ˈʁœːˀmɐ]; also Roemer) is a temperature scale named after the Danish astronomer Ole Christensen Rømer, who proposed it in 1701. It is based on the freezing point of pure water being 7.5 degrees and the boiling point of water as 60 degrees.
| degree Réaumur | degree Rømer | degree Fahrenheit | degree Celsius | degree Kelvin | degree Delisle | degree Newton | degree Rankine |
|---|---|---|---|---|---|---|---|
| 1 | 8.15625 | 34.25 | 1.25 | 274.4 | 148.125 | 0.4125 | 493.92 |
| -9.9047619 | 1 | 9.7142857 | -12.3809524 | 260.7690476 | 168.5714286 | -4.0857143 | 469.3842857 |
| -13.7777778 | -1.5416667 | 1 | -17.2222222 | 255.9277778 | 175.8333333 | -5.6833333 | 460.67 |
| 0.8 | 8.025 | 33.8 | 1 | 274.15 | 148.5 | 0.33 | 493.47 |
| -217.72 | -135.37875 | -457.87 | -272.15 | 1 | 558.225 | -89.8095 | 1.8 |
| 79.4666667 | 59.65 | 210.8 | 99.3333333 | 372.4833333 | 1 | 1 | 670.47 |
| 2.4242424 | 9.0909091 | 37.4545455 | 3.0303030 | 276.1803030 | 145.4545455 | 1 | 497.1245455 |
| -218.0755556 | -135.6120833 | -458.67 | -272.5944444 | 0.5555556 | 558.8916667 | -89.9561667 | 1 |
| 1 degrees Rømer = 1 degrees Kelvin |
| 2 degrees Rømer = 2 degrees Kelvin |
| 3 degrees Rømer = 3 degrees Kelvin |
| 4 degrees Rømer = 4 degrees Kelvin |
| 5 degrees Rømer = 5 degrees Kelvin |