BMI Calculator

Estimate BMI with transparent assumptions.

Choose an age groupAdult categories or an exact CDC 2000 BMI-for-age percentile.

2 options

Weight

Height

BODY MASS INDEX24.5

Adult screening category: healthy-weight range. Educational estimate only; not medical advice.

Adult category: healthy-weight range

Estimate based on the values shown

Formula checkedBMI from mass and height; pediatric percentiles use the official CDC 2000 monthly sex-specific LMS table with linear interpolation.

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Useful next steps

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