What are the pros and cons of using Fahrenheit?

Answer 1

Pros:

• Fahrenheit may be familiar to the population of the country that uses it and change is always difficult;
• Fahrenheit has smaller degrees than Celsius so there is less need to use decimals;
• ...

Cons:

• Celsius is used in science so all Fahrenheit temperatures have to be converted to Celsius when teaching or using science
• Kelvin which is the absolute temperature scale has the same unit intervals as Celsius but Fahrenheit has to be converted using the not easy to remember formula: K = (F - 32) x5/9 + 273.15
• Fahrenheit is slightly less "intuitive" when it comes to the boiling point of water 212 oF compared to 100 oC and freezing point of water 32 oF or 0 oC
• ...

Points of Interest:

• Fahrenheit uses a mixture of brine+ammonia to obtain zero and body temperature as 100
• Celsius uses the melting point of water as zero and 100 as the boiling point of water to get its degree intervals
• Kelvin is an absolute temperature scale with zero corresponding to the theoretical point of no energy. 0 K = -273.15 oC. (Note Kelvin does not use the degree symbol)