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CDC has an online tool to calculate BMI for kids and teens (age 2 through 19). It displays numeric results, a graphic that shows the weight category, and plots the BMI on a printable growth chart. Check BMI-for-age annually, or more often if recommended by the child’s healthcare provider.
This calculator gives an approximate BMI for children from ages 5 to 18. It will tell you if a child is underweight, at an ideal weight, at risk of being overweight, or is now overweight. Enter child's information. Gender: Male Female. Age: years months. Height: feet inches. Weight: lbs.
Height. (to nearest 1/8th inch) Feet, Inches, Fraction. Inches. ft. in. fraction of an inch. (12 inches = 1 foot; Example: 4 feet, 5 1/2 inches)