Fahrenheit is a temperature scale where the freezing point of water is 32 oF and the boiling point of water is 212 oF.
The difference is 180 degrees. The absolute zero is -459.67 Fahrenheit.
It is replaced by celsius scale globally as part of the metrication process but it is still the main temperature unit in United States and used for all kinds of applications.
The abbreviation is "oF".
Celsius is the commonly used temperature scale globally for all kinds of temperature measurements. It is also known as "centigrade". It is defined where freezing point of water is 0 and the boiling point is 100 degrees. The abbreviation is "oC".
The fahrenheit to celsius conversion formula: Celsius = (Fahrenheit - 32) * 5 / 9