Fahrenheit and Celsius how do you figure one from the other?

I want to be able to know what the tempature is in fahrenheit but it is only told to us here in celsius. What do I need to know to be able to calulate one from the other?Fahrenheit and Celsius how do you figure one from the other?
Fahrenheit = 1.8*Celsius+32Fahrenheit and Celsius how do you figure one from the other?
C = 5/9(F-32)
multiply by 9/5 then add 32
F = 9/5*C+32


100C = 212F


0C = 32F


-40C=-40F