depends on whos hair it iss(:
There are infinite amount of diameters.
There are infinite diameters within a circle.
7.5 micrometers to 150um
A circle has infinitively many diameters....
There are infinite diameters in a circle all of the same lengths.
An average of 100,000 hair strands.
The range in human cell diameters typically falls between 10 to 30 micrometers. However, sizes can vary depending on the type of cell and its function within the body.
Human scalp hair normally grows at about 0.5 inches a month.
Approximately 1 million atoms can fit across the width of a human hair.
The average amount is hair on human heads is 100,000. Blondes have more hair than other hair colors at 140,000.
pi or 3.14159265...
As big as your but suckers!