Rankine is a very rarely used thermodynamic temperature scale and a unit for temperature measurement in the Imperial system, with the symbol R. The scale was proposed in the middle of the 19th century by a British physician and scientist W. J. Rankine. It is based on Fahrenheit scale and uses the common water freezing point as 459.67 °R and water boiling point as 671.69 °R.

Rankine Conversions

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