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Rankine scale
Additional recommended knowledgeThe symbol is °R (or °Ra if necessary to distinguish it from the Rømer and Réaumur scales). As with the Kelvin scale (symbol: K), zero on the Rankine scale is absolute zero, but the Rankine degree is defined as equal to one degree Fahrenheit, rather than the one degree Celsius used by the Kelvin scale. A temperature of 459.67 °F is precisely equal to 0 °R. A few engineering fields in the U.S. measure thermodynamic temperature using the Rankine scale. However, throughout the scientific world where measurements are made in SI units, thermodynamic temperature is measured in Kelvin.
Some key temperatures relating the Rankine scale to other temperature scales are shown in the table below.
References
See also


This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Rankine_scale". A list of authors is available in Wikipedia. 