A 10-year-old girl weighs 70.5 pounds on average. A 10-year-old girl’s typical height is 54.5 inches. A 10-year-old boy’s average height and weight are the same as a 10-year-old girl’s average measurements.
Due to their many growth spurts, young children rapidly gain and lose weight. Teenagers and young children shouldn’t diet because as they become older, they grow out of their baby fat. To determine if a child is overweight or underweight for her age and height, a parent who is concerned about the child’s weight should speak with the child’s doctor.