The average Human will grow up to 500 kilometers of hair in a lifetime. That is roughly 950 miles of hair!
On your head, the average person grows about 12cm of hair in a year.
Your hair grows .75 inches in a month
1/8"
in a year it grows about half an inch
3- 3/4" roughly.
It matters if their mate shaves or not. Right?
On average, one human hair can support the weight of a small insect. However, this can vary depending on the thickness and condition of the hair.
A stalactite is very much slower.
On average, human hair has a density of about 1.06 grams per cubic centimeter. To calculate how much human hair would equal one pound, you would need approximately 453.6 grams of human hair, which is roughly equivalent to 16 ounces or one pound. The amount of human hair needed can vary depending on the thickness and length of the hair.
On average 2.5 inches. At maximum 7.5 inches.
Average is 6 inches a year and 1/2 an inch a month