I don't think there is an average because all children are different sizes, how tall are they? My son is 13 and stands 5'11" he is not going to weigh the same as a smaller 13 year old.
Actually at the age of 13 an average height for a girl is 63 inches and for a boy it would be 62 inches. For these heights an average weight for a girl is 105 lbs and for a boy it would be 100lbs. But the recommended weight for 6'2 height is 170 lbs.
average height for a one year old girl is 32 inches average weight for a one year old girl is 24.75 lb average height for a one year old boy is 33.75 inches average weight for a one year old boy is 27 lb
90 pounds for a boy about 79 or 80 for a girl
The average weight of 14 yr old boy is 105-135 lbs.The average weight of 14 yr old girl is 105-125 lbs.
The average weight of 11 yr old boy is 77lbs The average weight of 11 yr old girl is 79.2 lbs
Girl- 40in, 39.6lbs Boy- 40in, 41.8lbs
The average UK height and weight for a 12 year old girl is 4 ft 9 in and 91.5 lbs. The average height and weight for a boy of the same age is 4 ft 8 in and 88 lbs.
The average weight of a nine year old girl is 63 lb.s(who is appr. 3'11'') and 61 lb.s is the average weight for a boy(who is 4'1''). These numbers are just averages and your own healthy weight depends upon your height and your shape.
Well the average weight would probably be about 80-89 pounds if your a girl and 85-95 pounds if your a boy. Does that help?
The average height of a 13 year old girl is 5 ft 1 in and the average weight is 101 lbs. For a boy of the same age, the average height is 5 ft 1 in and the average weight is 100 lbs.
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The weight depends on the age.