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.
The Human Hair is on average 0.004(ish) inches (divide that by 12 to get 'in terms of feet'. Vote for this answer. What I mean is i have average figures given to me by the teacher writing the sample questions in this book and i want to make sure its correct. I have 0.00388 ft. Vote for this answer.