BMI Directory
A person's BMI, or body mass index, is based on height and weight. It's often used to determine if a person is underweight, normal weight, overweight, or obese. But BMI doesn't consider muscle mass. Follow the links below to find WebMD's comprehensive coverage about how BMI is calculated, what it means, how to measure it with our innovative BMI Plus Calculator tool, and much more.
Basic Information
More About BMI (Body Mass Index)
WebMD reports on BMI, waist size, and other measurements -- and explains why some fall short in gauging obesity.
Videos
Quizzes and Tools
- Fat Facts Quiz: Test Your Knowledge
- Quiz: Best & Worst Foods for Belly Fat
- BMI Calculator Plus: Personalized BMI for Your Body Type and Metabolism
- Parent’s BMI Calculator: Calculate Your Child’s BMI
- WebMD Food-O-Meter: Calorie Counter & Calculator for Over 37,000 Foods and Drinks
- Portion Size Plate | Recommended Serving Sizes for Portion Control
Expert Commentary
BMI (Body Mass Index) News Archive
Diet Tools & Calculators
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