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BMI Percentile Calculator

Calculate BMI percentile for pediatric patients (ages 2-20) using CDC growth chart LMS approximations.

Patient age in years (2-20). CDC BMI-for-age percentile charts apply to this range only.
years
Biological sex determines which CDC growth curve is used, as distributions differ between males and females.
Standing height without shoes. For children under 3, recumbent length minus about 0.8 cm approximates standing height.
Body weight with minimal clothing. Accurate measurement is essential for correct BMI and percentile.

Results

BMI-kg/m2
BMI Percentile-%ile
Z-Score-
Weight Category-
Healthy BMI Range-kg/m2
References:
CDC 2000 Growth Charts. LMS method. Categories: Underweight <5th, Healthy 5th-84th, Overweight 85th-94th, Obese 95th+.