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 Fahrenheit without lookup tables or manual math.
This page is focused on converting degrees Rankine to degrees Fahrenheit. Type a number into the first field and the result appears immediately in the second field.
Example: 1 °R = -458.67 °F. Conversion formula: result = (value × 0.55555555555556 + -273.15 - -17.777777777778) / 0.55555555555556.
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 Fahrenheit is common in the United States for weather, body temperature, ovens, and household thermometers.
History: Daniel Fahrenheit introduced this scale in the early 18th century, and it is still common in the United States.
Enter a value in the Degree Rankine field. The converter applies the formula "result = (value × 0.55555555555556 + -273.15 - -17.777777777778) / 0.55555555555556" and immediately shows the result in degrees Fahrenheit.
1 °R = -458.67 °F.
Yes. Use the swap button or choose the reverse pair from the full conversion list.