My 8 year old son weighs 114 pounds? but he's really tall is that consider overweight

Check his BMI: Pediatricians use the body mass index (bmi) chart to see if a child is heading towards problems with overweight or obesity. If you know your child's exact weight and height, you can look up his bmi. Search "children's bmi calculator" and put in the numbers. Children whose bmi is higher than the 85th percentile are considered overweight.

Weight: We would need his height to determine his body mass index and to see if he is overweight for his size.