Conversion Formula
$$T_{°R} = T_{°F} + 459.67$$
Add 459.67 to Fahrenheit to get Rankine.
°F to °R Conversion Table
| Degree Fahrenheit (°F) | Degree Rankine (°R) |
|---|---|
| -40 | 419.7 |
| -20 | 439.7 |
| 0 | 459.7 |
| 10 | 469.7 |
| 20 | 479.7 |
| 25 | 484.7 |
| 30 | 489.7 |
| 37 | 496.7 |
| 50 | 509.7 |
| 100 | 559.7 |
| 200 | 659.7 |
| 500 | 959.7 |
°F to °R in Engineering
Temperature conversions are fundamental across all engineering disciplines. Celsius and Fahrenheit are used for everyday measurements, while Kelvin is required for thermodynamic calculations and Rankine for US customary thermodynamic systems.
Degree Fahrenheit: US customary temperature scale. Water freezes at 32°F and boils at 212°F. Standard in US HVAC and weather.
Degree Rankine: Absolute temperature scale using Fahrenheit degree intervals. Used in US thermodynamic calculations and gas law applications.