Rankine converters Convert Rankine Rankine Celsius Fahrenheit Réaumur Kelvin Rankine Convert Easily convert Rankine R to any other temperature measurements with this online tool. How does the Converter from Rankine R work? This tool is very easy to use. You only need to write the quantities you want to convert (expressed in Rankine to convert to any other measurements. Go Rankine to... ...Celsius [R > C] ...Fahrenheit [R > F] ...Réaumur [R > Re] ...Kelvin [R > K]