Conversion, definition and formulas for celsius and fahrenheit calculations
Fahrenheit and celsius measurement examples
In the United States temperateure is measured almost exlusively in Fahrenheit. Everywhere else it's only Celsius. Except in Canada that is. Due to its close connection to the USA, Canadians officially use Celsius but use Fahrenheit for a great many things in reality.
Fridge thermometers are almost always in Fahrenheit
Home thermostats can be either Fahrenheit or Celsius
Oven temperature is always set in Fahrenheit in North America