check his BMI
130 Pounds
The average weight for a 5-6 foot male is between 120-125 pounds.
90-110 don't be anerexic
Depending on the stature and bone mass the weight of a 5 foot boy should be around 120-150 pounds. If the weight is less it could simply be because there is less muscle on the particular boy, or over 150 could mean there is more muscle.
180 pounds
60
139 lbs - 150 lbs
105 pounds
130 Pounds
The average weight for a 5-6 foot male is between 120-125 pounds.
A boy that is 4 foot 9 inch should weigh between 30 to 40 kilograms. This is the ideal weight but it varies in most cases.
50 pounds
The weight for a 57 inch tall boy is about 97 pounds
95lb (43kg)
90-110 don't be anerexic
about 30 pounds
Healthy weight for a 53.5 inch boy depends on his age. Talk with your health care provider for advice specific to your son's health.