1 Types of Gutters and How to Prepare for an Install. 2  Advice on Gutters and Downspouts. 3  Tips for Cleaning and Repairing Gutters.  Outdoor Spring Maintenance Tips.
One mil is 1/000th of an inch. A sheet of paper is 4/1000ths of an inch thick, so 10 mil has the thickness of 2 1/2 sheets of paper. A mil is not to be confused with a millimeter(mm). On average human hair is 100 microns or .004 inches. 10 mil is the width of about 2 and a half human hairs.
Rating Newest Oldest. Best Answer: Human hair varies considerably in thickness; however, 100 micrometers is generally taken as the average. Cell sizes vary, too, but the average hair cell is 10 micrometers across.On that basis, I'd say the average human hair is about 10 cells thick.Source(s): http://science.education.nih.gov/supplem...ating Newest Oldest. Best Answer: Human hair varies considerably in thickness; however, 100 micrometers is generally taken as the average. Cell sizes vary, too, but the average hair cell is 10 micrometers across.