Fahrenheit does have smaller units, but nobody uses them. When was the last time you heard somebody distinguish between 72 and 73 degrees Fahrenheit? People u

Fahrenheit does have smaller units, but nobody uses them. When was the last time you heard somebody distinguish between 72 and 73 degrees Fahrenheit? People use "low 70s", "mid 70s", "high 70s". With that in mind, I would say that the size of a single degree in Fahrenheit is too small of a unit.