As we know One °F is equal to 1 °R (1 °F = 1 °R).

To convert Degree Fahrenheit to Degree Rankine, multiply your °F figure by 1.

Example : convert 25 °F to °R:

25 °F = 25 × 1 °R = °R

To convert Degree Rankine to Degree Fahrenheit, divide your °R figure by 1.

Example : convert 25 °R to °F:

25 °R = 25 ÷ 1 °F = °F