How much are 9 year old boys suppose to weigh?

According to the Centers for Disease Control and Prevention (CDC), the average weight for a 9-year-old boy is between 55 and 80 pounds. However, it is important to note that this is just an average, and there can be a wide range of normal weights for children of this age. Some factors that can affect a child's weight include genetics, height, and activity level. If you are concerned about your child's weight, it is best to talk to a doctor.