# body mass index

## EnglishEdit

### NounEdit

body mass index (plural body mass indices)

1. a statistical measure of the weight of a person scaled according to height, used to estimate if a person is underweight or overweight. BMI units are defined as ${\displaystyle \mathrm {kg} /\mathrm {m} ^{2}}$ ${\displaystyle \mathrm {703*lb} /\mathrm {in} ^{2}}$ .

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