Is it normal to weigh 130 pounds at 13

Or it's possible a health problem could be causing your child to be underweight. Talk with your child's healthcare provider. This puts your child percentile, which means your child is at an ideal weight.

Having an ideal weight means the calories your child is getting from food are balanced out with his or her level of physical activity. Keep in mind, though, that some calories are nutritious and others aren't. Your child may eat the right amount of food for a healthy weight, but still not get all the nutrients needed for good overall health.

That's why it's still important to encourage your child to eat nutritious foods and get plenty of exercise. Good habits learned now will last a lifetime. This puts your child percentile, which means your child is overweight. Overweight is a point at which your child's weight is no longer healthy.

This is serious. Although your child isn't yet overweight, work with your healthcare provider—and your child—to keep this from becoming a future problem. An overweight child may develop problems with self-esteem. And healthcare providers have found that overweight children are developing serious health problems such as diabetes early in life that do not develop in children of normal weight.

According to the CDC growth charts, an average year-old weighs between 66 and pounds. Fifteen-year-old boys usually weigh between 94 and pounds, while year-old girls weigh between 90 and pounds. It is difficult to provide healthy weight ranges for children and teens because the interpretation of BMI depends on weight, height, age, and sex. A healthy weight for an year-old boy is between and pounds, and a healthy weight for an year-old girl is between and pounds.

The average 1-year-old boy weighs between 19 and 27 pounds. Between the ages of 1 and 5 your child will usually gain about 10 pounds, five pounds between ages 1 and 2 and the remaining five pounds between ages 2 and 5. The average 2-year-old weighs between 22 to 33 pounds.

But it's also important to talk to your child's doctor to help understand the results. Starting when your child is 2 years old, the doctor will determine BMI at all routine checkups. Over several visits, the doctor is able to track your child's growth pattern.

Although not a perfect measure of body fat, BMI helps identify children who are gaining weight too slowly or too quickly. BMI percentiles show how a child's measurements compare with others the same gender and age.

BMI is not a direct measure of body fat. Kids can have a high BMI if they have a large frame or a lot of muscle, not excess fat. And a kid with a small frame may have a normal BMI but still can have too much body fat. BMI is less accurate during puberty.