Body Mass Index
Weight Loss Program
Body Mass Index Calculator (BMI)
Body mass index (BMI) has been the medical standard for obesity
measurement since the early 1980s. Government researchers developed it to
take height into account in weight measurement. For example, let's say
someone weighs 150 pounds. Is he or she obese? That's impossible to say
without knowing the person's height. The answers would be different for
someone who is 5' 0" tall, 5" 4", and 5' 11".
To calculate your BMI, enter your height in feet and inches, and your
weight in pounds in the boxes below, then click on the button marked
Recommended BMIs are in the range of 20 to 24.9.
The "overweight" range is 25 to 30.
The "obesity" level is anyone with a BMI over 30.
According to these conventions, the woman who is 5' 0" and weighs 155
has a BMI of 30.14, and is obese.
Someone who is 5' 4" and weighs 155 has a BMI of 26.6, and is
overweight, but not obese.
Someone who is 5' 11" and weighs 155 is in the healthy BMI range.
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substitute for professional medical advice. You should not use the
information on this web site for diagnosing or treating a medical or
health condition. You should carefully read all product packaging.
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1998 - 2006, Test America
BMI = 30 or greater
Health Risk: High
You may be at significantly increased risk of obesity-related
disease. A weight loss strategy including calorie reduction, increased physical
activity, and behavior therapy can help reduce these health risks
BMI = 27-30
Health Risk: Moderate/High
You may be at increased risk for cardiovascular disease,
hypertension, and high blood cholesterol. It may also be appropriate
to modify diet and exercise habits to reduce health risks.
BMI = 25-26
Health Risk: Low/Moderate
You may be at slightly increased risk for cardiovascular and other
diseases. While there is no evidence to suggest that a weight loss
program is needed, prevention of any further weight gain is
BMI = 19-24
Health Risk: Minimal/Low
Your BMI number indicates that you are within a healthy weight
range, and do not need to consider a weight reduction plan for
BMI = 18 or
Your low BMI number indicates that your weight, in relation to
your height, may be below the safety minimum for your body type.