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Glossary

What is BMI (body mass index)?

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BMI (body mass index)

BMI is your weight in kilograms divided by your height in meters squared, a quick screen for whether weight may affect health.
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In plain words

In US units, BMI equals weight in pounds times 703, divided by height in inches squared.
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Why it matters

BMI is the number insurers and FDA labels use to decide who qualifies for weight-management drugs.

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BMI is your weight in kilograms divided by your height in meters squared, a quick screen for whether weight may affect health.

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