Rømer (°Rø) - Unit Information & Conversion

Symbol:°Rø
Plural:degrees Rømer
Category:Temperature

🔄 Quick Convert Rømer

What is a Rømer?

Definition

The Rømer scale (°Rø) is a historical temperature scale where the freezing point of water is set at 7.5 degrees and the boiling point at 60 degrees.

History

Invented by the Danish astronomer Ole Christensen Rømer in 1701. Rømer based his scale on two points: the freezing point of brine (0 °Rø) and the boiling point of water (60 °Rø). He later observed pure water froze at 7.5 °Rø. Daniel Fahrenheit visited Rømer and reportedly based his own scale on Rømer's work, multiplying the number of degrees by four.

Common Uses

  • Historical Significance: Primarily of historical interest as a precursor to the Fahrenheit scale.
  • Not used in modern scientific or general applications.

Rømer Conversion Formulas

To Celsius:

1 °Rø = -12.380952 °C
Example: 5 degrees Rømer = -4.761905 degrees Celsius

To Fahrenheit:

1 °Rø = 9.714286 °F
Example: 5 degrees Rømer = 23.428571 degrees Fahrenheit

To Kelvin:

1 °Rø = 260.769048 K
Example: 5 degrees Rømer = 268.388095 kelvins

To Rankine:

1 °Rø = 469.384286 °R
Example: 5 degrees Rømer = 483.098571 degrees Rankine

To Réaumur:

1 °Rø = -9.904762 °Ré
Example: 5 degrees Rømer = -3.809524 degrees Réaumur

To Newton:

1 °Rø = -4.085714 °N
Example: 5 degrees Rømer = -1.571429 degrees Newton

To Delisle:

1 °Rø = 168.571429 °De
Example: 5 degrees Rømer = 157.142857 degrees Delisle

Frequently Asked Questions

Water freezes at 7.5 °Rø and boils at 60 °Rø.

Convert Rømer

Need to convert Rømer to other temperature units? Use our conversion tool.