Weight is related to height and body composition. By that, there is no 'average' weight for a 12-year-old girl. For in-depth information about weight in relation to height, and to see the distribution of weights and heights of children at various ages, please see the page link, further down this page, listed under "Related Questions."
The average weight for a 14 year old girl is about 8.5 stone - 9 stone :)
7 stone
The average weight for a 4'6 10 year old girl is about five stone.
How tall are you
6 1/2 stone
4 stone
Anywhere from 6 stone-8 stone is probably a healthy weight, although 6 stone is probably quite light.
The average weight for an 11 year old girl is from 80-90 pounds. Yes she does need to loose some weight! Maybe a stone.
no way, she is far to much underweight.
Knowing that an average weight of a 11 yr Old girl is35.9245157 kilogramsAnd that one stone is 6.35029318 kilograms,an average 11 yr Old girl is 5.65714286 stonesAccording to Google's values of a stone and a Kg, and according to the health department.
4 stone
It's relative to your age, but it should be between 9.5-10 stone.