Один градус по Фаренгейту равен 5/9 градуса Цельсия, и по шкале Фаренгейта вода замерзает при 32 F и кипит при 212 F.

Temperature scale designed by the German scientist Gabriel Fahrenheit in 1709, based upon water freezing at 32 degrees Fahrenheit and water boiling at 212 degrees Fahrenheit under standard atmospheric pressure. Compare with centigrade.
nbsp;NASA Earth Observatory