the symbol of the fahrenheit temperature scale is ℉. in 1724, the german fahrenheit formulated the fahrenheit temperature scale. he set the temperature when a certain concentration of salt water solidifies as 0℉, and set the temperature when pure water solidifies as 32 ℉, the boiling temperature of water under standard atmospheric pressure is set as 212℉, divided into 180 equal parts, each equal part represents 1 degree, this is the fahrenheit temperature scale, represented by the symbol f, this is the fahrenheit temperature.