<Ul> <Li> f ° Fahrenheit to c ° Celsius: (f − 32) ° F × 5 ° C / 9 ° F = (f − 32) / 1.8 ° C = c ° C </Li> <Li> c ° Celsius to f ° Fahrenheit: (c ° C × 9 ° F / 5 ° C) + 32 ° F = (c × 1.8) ° F + 32 ° F = f ° F </Li> </Ul> <Li> f ° Fahrenheit to c ° Celsius: (f − 32) ° F × 5 ° C / 9 ° F = (f − 32) / 1.8 ° C = c ° C </Li> <Li> c ° Celsius to f ° Fahrenheit: (c ° C × 9 ° F / 5 ° C) + 32 ° F = (c × 1.8) ° F + 32 ° F = f ° F </Li> <P> This is also an exact conversion making use of the identity - 40 ° F = - 40 ° C. Again, f is the value in Fahrenheit and c the value in Celsius: </P>

How many degrees fahrenheit are in 1 celsius