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BMI - Body Mass Index

By , About.com Guide

Updated August 26, 2012

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Definition: Body Mass Index (BMI) is a relationship between weight and height that is associated with body fat and health risk.

The equation is BMI = body weight in kilograms/height in meters squared.
Body Mass Index Calculator

Research has identified the health risks associated with a wide range of BMIs (both high and low values.)

A BMI of over 25 is considered overweight.

Pronunciation: bee-em-eye
Also Known As: BMI
Examples:
My BMI shows that I am overweight.
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