Rømer (°Rø) - Unit Information & Conversion
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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
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Rømer Quick Info
°Rø