Normal BMI Range by Age Calculator
Enter your age, weight, and height to calculate BMI. Children and teens require CDC BMI-for-age percentiles; CDC adult categories apply from age 20 onward.
BodyStd · https://bodystd.com/ · 9/5/2026
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Normal BMI Range by Age Calculator
Enter your age, weight, and height to calculate BMI. Children and teens require CDC BMI-for-age percentiles; CDC adult categories apply from age 20 onward.
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Authority Source
Adult BMI categories and child/teen percentile guidance follow:CDC BMI categories.
Frequently Asked Questions
No. The CDC applies the same adult BMI categories to everyone age 20 and older, regardless of age or sex. BMI is a screening measure, so discuss individual goals with a healthcare professional.
Disclaimer: This calculator is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition.