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Calculate Your Body Mass Index

Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.

  • Enter your weight and height using standard or metric measures.
  • Select "Compute BMI" and your BMI will appear below.


View Standard Measurements Metric Measurements


BMI Categories:
Underweight = <18.5
Normal weight = 18.5–24.9
Overweight = 25–29.9
Obesity = BMI of 30 or greater

The BMI Tables

Aim for a Healthy Weight:
Limitations of the BMI
Assessing Your Risk
Controlling Your Weight

 Download the BMI
Calculator iPhone App

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