90-100 lbs.
The average 13 year old's weight is about 105-135 lbs.
when you are 12 to 13 years old your weight has to be from 48-52 if not you are either overweight or underweight.
weight is not worked out by age it is worked out by height.
be active
There is no particular healthy weight for a 13-year-old. This is because weight is related to height and body composition rather than age.
you shoul weight 115
No, you're fat if you weight 8 stone at only 13. I'm 13 today and I weight 7 stone, so does my identical twin brother.
Avg Size of male: Height: 12-13 Weight: 13-18 Avg Size of Female: Height: 12-13 Weight: 13-18
13 stone
i think it is a average weight for an 111lb 13 year old girl...
I'm 13 and I weigh 9st 12lbs my doctor said this was a standard weight for my age ( I'm a girl by the way)
1.60 height 40 weight