Rates of obesity are increasing among the child and adolescent populations in the US. Now the CDC has revised the BMI chart for those aged 2-20 to reflect different levels of severe obesity.

The Kids BMI Calculator computes your child's body mass index (BMI). You'll learn whether your child's BMI falls into an underweight, healthy weight, overweight, or obese range.

The CDC says the new charts will enable better treatment and tracking of kids with high body mass index.

Your child's BMI can clue you in to a weight problem. WebMD explains how to calculate BMI and tips on maintaining a healthy weight.

Expanded growth charts released Thursday by the CDC now include a body mass index of 60 — up from previous charts that stopped at a BMI of 37.

Learn about the causes of childhood obesity, the importance of healthy eating and exercise, and how to calculate and interpret your child's BMI.

Expanded growth charts released Thursday by the CDC now include a body mass index of 60 — up from previous charts that stopped at a BMI of 37.

Expanded growth charts released Thursday by the CDC now include a body mass index of 60 — up from previous charts that stopped at a BMI of 37.