About these units
Fahrenheit (°F)
Fahrenheit (°F) is mainly used in the United States. Water freezes at 32 °F and boils at 212 °F, and normal body temperature is about 98.6 °F.
Celsius (°C)
Celsius (°C) puts the freezing point of water at 0 and its boiling point at about 100. Most countries use it for weather and body temperature.