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Body Mass Index

People with a BMI of 25.0 or greater qualify for prescription weight loss drugs.

Body mass index (BMI) is a measurement based on height and weight as it relates to body fat, and can be used to determine how much risk a person has of developing certain health problems because of his or her weight. As a point of reference, someone with a BMI of 25 is approximately 20 percent overweight. The higher the BMI, the greater the risk a person has to develop additional health problems.

How Do We Calculate Your Body Mass Index Score?

Body Mass Index Calculator

BMI Calculator
Height:   feet
    and
    inch(es)
Weight:   lbs.
   
Your BMI:  
 
BMI Category Table
Underweight   Less than 18.5
Normal   18.5 — 24.9
Overweight   25 — 29.9
Obesity I   30 — 34.9
Obesity II   35 — 39.9
Extreme Obesity   40 and over

BMI is calculated using the following mathematical formula:

BMI = [Weight in pounds รท (Height in inches x Height in inches)] x 703

Fortunately, we’ve made it easy for you. To calculate your BMI, just enter your height in feet and inches and your weight in pounds (lbs) in the calculator boxes and then click on the button marked “Calculate BMI.”

Important Note - Muscular athletes, especially bodybuilders, can be overweight without being obese.