Online temperature converter from Fahrenheit to Celsius Conversion (°F to °C change) and other temperature transformations (convert °C to °F and °F to °C). The Formula for the change is degrees Fahrenheit short multiple times 5 separated by 9. The Fahrenheit is a temperature scale which utilizes the degree Fahrenheit (image: °F) as the unit. The degree Celsius is a unit of temperature on a temperature scale initially known as the centigrade scale