<Tr> <Th> </Th> <Th> from kelvins </Th> <Th> to kelvins </Th> </Tr> <Tr> <Th> Celsius </Th> <Td> (° C) = (K) − 273.15 </Td> <Td> (K) = (° C) + 273.15 </Td> </Tr> <Tr> <Th> Fahrenheit </Th> <Td> (° F) = (K) × ​ ⁄ − 459.67 </Td> <Td> (K) = ((° F) + 459.67) × ​ ⁄ </Td> </Tr> <Tr> <Th> Rankine </Th> <Td> (° R) = (K) × ​ ⁄ </Td> <Td> (K) = (° R) × ​ ⁄ </Td> </Tr>

Why kelvin is considered as best unit of temperature