Degree Rankine (°R)
Degree Rankine is an absolute temperature scale that uses the Fahrenheit-sized degree.
History: William John Macquorn Rankine proposed the Rankine scale in the 19th century as an absolute scale with Fahrenheit-sized degrees.
Quickly convert degrees Rankine to degrees Reaumur without lookup tables or manual math.
This page is focused on converting degrees Rankine to degrees Reaumur. Type a number into the first field and the result appears immediately in the second field.
Example: 1 °R = -218.0755555556 °Ré. Conversion formula: result = (value × 0.55555555555556 + -273.15 - 0) / 1.25.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
Degree Rankine is an absolute temperature scale that uses the Fahrenheit-sized degree.
History: William John Macquorn Rankine proposed the Rankine scale in the 19th century as an absolute scale with Fahrenheit-sized degrees.
Degree Reaumur is rare today, but appears in older European technical, scientific, and cooking sources.
History: Rene Antoine Reaumur proposed the Reaumur scale in the 18th century; it was common in parts of Europe before Celsius spread.
Enter a value in the Degree Rankine field. The converter applies the formula "result = (value × 0.55555555555556 + -273.15 - 0) / 1.25" and immediately shows the result in degrees Reaumur.
1 °R = -218.0755555556 °Ré.
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