0 degrees Fahrenheit is equal to 459.67 degrees Rankine: 0 °F = 459.67 °R. T (°R) = T (°F) + 459.67. (The Kelvin scale was first proposed in 1848.) It may be used in … The Rankine scale is a thermodynamic (absolute) temperature scale. The temperature T in degrees Rankine (°R) is equal to the temperature T in degrees Fahrenheit (°F) plus 459.67:. Therefore, a degree on the Fahrenheit scale is 1/180 of the interval between the freezing point and the boiling point of water. Temperature is measured by means of a thermometer or other instrument having a scale calibrated in units called degrees. How to convert Fahrenheit to Rankine. To convert from Kelvin to Rankine, multiply the Kelvin temperature by 9/5. Absolute zero is defined as -459.67°F. The size of a degree depends on the particular temperature scale … The Rankine scale (/ ˈ r æ ŋ k ɪ n /) is an absolute scale of thermodynamic temperature named after the Glasgow University engineer and physicist Macquorn Rankine, who proposed it in 1859. Rankine is a thermodynamic (absolute) temperature scale named after the Glasgow University engineer and physicist William John Macquorn Rankine, who proposed it in 1859. The Rankine temperature scale uses the same size degree as Fahrenheit, but has its zero set to absolute zero. Example. Rankine definition is - being, according to, or relating to an absolute-temperature scale on which the unit of measurement equals a Fahrenheit degree and on which the freezing point of water is 491.67° and the boiling point 671.67°. The symbol for degrees Rankine is °R (or °Ra if necessary to distinguish it from the Rømer and Réaumur scales). To convert from Fahrenheit to Rankine, add 459.67 to the Fahrenheit reading. Look it up now! This puts the boiling and freezing points of water exactly 180 degrees apart. (The Kelvin scale was first proposed in 1848.). Rankine scale definition at Dictionary.com, a free online dictionary with pronunciation, synonyms and translation. Temperature 5 Scale Converter °C: degree Celsius (centigrade), °Re: Réaumur, °F: degree Fahrenheit, K: Kelvin, °Ra: Rankine This means Fahrenheit users who need to work with absolute temperatures will find it easier to use the Rankine scale instead of the Kelvin scale. It is based around absolute zero.Rankine is similar to the Kelvin scale in that it starts at absolute zero and 0 °Ra is the same as 0 K but is different as a change of 1 °Ra is the same as a change of 1 °F and not 1 °C ().Note that the abbreviation °R is ambiguous, as it can also refer to the Réaumur scale. 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