Convert Rankine (°R) to Fahrenheit (°F) instantly. Enter any value — result updates live.
Converting Rankine to Fahrenheit is a common temperature conversion. One rankine (°R) equals -458.7 fahrenheit (°F). Rankine is an absolute temperature scale using Fahrenheit degree intervals, used in some US engineering applications.
This conversion is commonly needed for weather and travel planning, cooking and baking, scientific experiments. Fahrenheit is used for everyday temperatures in the United States and a few Caribbean nations.
To put rankine in perspective: water freezes (491.67 °R). In fahrenheit, common references include water boils (212 °F).
The Rankine scale, proposed by Scottish engineer William Rankine in 1859, is essentially Fahrenheit shifted so 0 °R equals absolute zero — it's still used in some US thermodynamics and aerospace contexts.
Daniel Gabriel Fahrenheit chose 96° as normal body temperature (later corrected to 98.6°F) and 0° as the temperature of a specific brine solution.
People frequently convert between rankine and fahrenheit for:
| Rankine (°R) | Fahrenheit (°F) |
|---|---|
| 1 °R | -458.7 °F |
| 2 °R | -457.7 °F |
| 5 °R | -454.7 °F |
| 10 °R | -449.7 °F |
| 15 °R | -444.7 °F |
| 20 °R | -439.7 °F |
| 25 °R | -434.7 °F |
| 30 °R | -429.7 °F |
| 50 °R | -409.7 °F |
| 100 °R | -359.7 °F |
| 200 °R | -259.7 °F |
| 500 °R | 40.33 °F |
| 1000 °R | 540.3 °F |