I'm 13 and 5.1 and I weigh 86 pounds.
The answer depends on the girl's age.
The average weight for a 138 cm girl will vary based on muscle and fat content regardless of age. The average weight is probably around 100 pounds.
it depends on how tall you are, not really your age
Approximately 57 years of age for an average CFL player
Weight varies with height. Age and sex don't target any number.
There is no simple answer to this question. Average weight changes depending on many factors including age, height, muscle mass, build, diet etc. But when many of my patients ask about averages, they are really wanting to know about ideal. So, if you are asking what the average weight of a teenage girl should be, that too depends on age, height, and body type. If you think about it, it makes sense. A 13 year old shouldn't weigh the same as a 19 year old, and a girl who is 4 feet tall shouldn't weigh the same as a girl that is 6 feet tall.
Weight is worked out on height not age.
The average age for menarche for girls is under 13 years of age. However, individually speaking that can vary depending on several factors including weight.
It's relative to your age, but it should be between 9.5-10 stone.
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 would be 100-120 pounds depending on your BMI. And you shouldn't worry about that at age 13 anyways! :)
For a girl age 10 years average height 138 cm with an average weight range from 21 to 58 kgs.