How to convert degrees Rankine to degrees Fahrenheit
°F = °R − 459.67Temperature scales have different zero points, so the conversion needs an offset as well as a scale factor. In one step: °F = °R × 1 − 459.67.
Worked examples
- 0 degrees Rankine0 − 459.67 = −459.67 °F
- 491.67 degrees Rankine491.67 − 459.67 = 32 °F
- 527.67 degrees Rankine527.67 − 459.67 = 68 °F
- 671.67 degrees Rankine671.67 − 459.67 = 212 °F
- 1,000 degrees Rankine1,000 − 459.67 = 540.33 °F
Degrees Rankine to degrees Fahrenheit conversion table
Values are calculated by the conversion engine using the full formula and rounded to 8 significant figures.
| Degrees Rankine (°R) | Degrees Fahrenheit (°F) |
|---|---|
| 0 °R | −459.67 °F |
| 100 °R | −359.67 °F |
| 200 °R | −259.67 °F |
| 300 °R | −159.67 °F |
| 400 °R | −59.67 °F |
| 459.67 °R | 0 °F |
| 491.67 °R | 32 °F |
| Degrees Rankine (°R) | Degrees Fahrenheit (°F) |
|---|---|
| 500 °R | 40.33 °F |
| 527.67 °R | 68 °F |
| 600 °R | 140.33 °F |
| 671.67 °R | 212 °F |
| 800 °R | 340.33 °F |
| 1,000 °R | 540.33 °F |
About the units
Degree Rankine (°R)
An absolute scale with Fahrenheit-sized degrees: 0 °R is absolute zero and 491.67 °R is the freezing point of water. Used in some US thermodynamics work.
Degree Fahrenheit (°F)
Used for weather and cooking in the United States. Water freezes at 32 °F and boils at 212 °F, so 180 Fahrenheit degrees span what 100 Celsius degrees do.
Frequently asked questions
What is the formula to convert degrees Rankine to degrees Fahrenheit?
°F = °R − 459.67. Temperature scales have different zero points, so the conversion needs an offset as well as a scale factor. In one step: °F = °R × 1 − 459.67.
What is 491.67 degrees Rankine in degrees Fahrenheit?
491.67 °R = 32 °F.
What is 0 °R in °F?
0 °R = −459.67 °F.
Can I just multiply to convert degrees Rankine to degrees Fahrenheit?
No. °R and °F have different zero points, so a single multiplication gives the wrong answer. Use the full formula above, or the converter. To convert a temperature difference (such as a 10-degree rise), use the temperature interval converter instead.
Is this °R to °F converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.