Approximately 5'3 Height is average.
100 pounds
Average weight for a 15 year old boy that tall (5'8") Is about 145-160, just below the overweight point.
I would say about 120 lbs
70 to 90 pounds is normal
60kg
My son is 11 and 54-1/2 inches tall and 85 lbs
an average nine year old boy's weight is about 75 to 90 pounds
About 130-140 pounds depends on muscle mass as well.
6' is tall for a 13 year old, but for a boy, 160 pounds, for a girl, 150 pounds.
Obesity depends on the height as well as the weight. If the boy is excessively tall for his age, he may not be. The average height and weight for a 5 year old boy is 40 inches tall and 41.8 lbs. 115 lbs is the average weight for a child approximately 14 years of age and 64 inches tall. While no claim to obesity can be made without knowing his height, chances are he is very overweight.
10.5kg
Between 80 pounds to 90 pounds