2-3 inches
An old myth is to shave more often, but really only time affects it. A man's beard is i constant growth, usually not fully mature until age thirty or later.
According to one set of CDC growth charts, the average weight (50 percentile) for both 7-year-old boys and girls is about 51 pounds.
I don't know what the nationwide "average" is for an 8 year old boy, but my 8 year old son has always been in the 50th percentile on the doctors growth chart for weight and height which is considered "average" and he is 53 lbs and 49" tall.
a beard
Grace Bedell, and 11 year old girl, wrote Abraham Lincoln a letter saying he should grow a beard.
An adult Orang utan is on average 1.36 centimetres. The average 9 - 10 year old's height!
well, an average sixteen year old should be somewhere betweent the size of Harry Potter and Goliath. It varies with genetics. See a doctor if you do not fit within these measurements. Some form of growth hormones may be necessary for proper growth. Or anti-growth hormones may be necessary.
Shaving even if you don't need it yet is supposed to stimulate growth.
An 11 year old girl wrote him a letter telling him he would look good with a beard.
Well I am 10 years old and I eat a lot ( Growth spurt ). The average 10 year old eats about 3-5 giant soft pretzels in 1 hour. The average 10 year old eats about 120 snack pretzels in a half hour-forty five minutes!
The average shoe size for a 7 year old girl is around a size 2 to 3 in children's shoes. However, this can vary depending on individual growth and development.