120-140
An eleven year old boy should have 2,300 mg a day
There really is no specific limit to how much a fourteen year old boy should weigh. It depends on how tall you are, because if you were 5' 9", you should weigh more than a fourteen year old boy who is 5' 2".
you should know.
140
70lbs. About.
9st
1 hour
3,000
About 36 pounds
1 hour
i'm a 5'2 12 year old boy and I weigh 100 pounds.
Going by calories, a thirteen year old boy should eat about 2200 calories a day.