Formulas
°F = °R - 459.67
°R = °F + 459.67
Scale information
Fahrenheit
The Fahrenheit scale is a temperature scale named after the German physicist Daniel Gabriel Fahrenheit (1686-1736), who proposed it in 1724. The freezing point of water is set at 32°F and the boiling point at 212°F (at standrd atmospheric pressure).Rankine
The Rankine scale is a thermodynamic (absolute) scale named after the Scottish engineer and physicist William John Macquom Rankine (1820-1872), who proposed it in 1859. The freezing point of water is set at 491.67°R and the boiling point at 671.64102°R.