Temperature calculator
The romer-to-delisle calculator allows you to convert temperature degrees between Delisle and Rømer. Enter a value in any field to see the other value.
Formulas
°Rø = 60 - °De * 7 / 20
°De = ( 60 - °Rø ) * 20 / 7
Scale information
Rømer
The Rømer scale is a temperature scale named after the Danish astronomer Ole Christensen Rømer (1644-1710), who proposed it in 1701. The freezing point of water is set at 7.5°Rø and the boiling point at 60°Rø.Delisle
The Delisle scale in a temperature scale named after the French astronomer Joseph-Nicolas Delisle (1688-1768), who invented it in 1732. The freezing point of water is set at 150°D and the boiling point at 0°D.Written by: Nicholas Tsakiris Alston