BMI Calculator

Body mass index (BMI) is a measure of body fat based on height and weight that applies to both adult men and women.  Calculate your Body Mass Index by entering your weight and height using either Standard or Metric, then click on My BMI for your results.

StandardMetric

Understanding Your Score


Your BMI indicates your weight status:
Underweight Below 18.5
Normal weight 18.5 - 24.9
Overweight 25 - 29.9
Obesity 30 or More
 
Download BMI Table

  (centimeters)
 
  (kilograms)
   
   

Your BMI





Why Do I Need to Know My BMI?

A BMI of 25 or above is a risk factor for overweight and obesity related diseases such as cardiovascular disease, osteoarthritis, some types of cancer and type II diabetes. A low BMI — under 18 — increases your risk for osteoporosis or may be a sign of a health problem. If you have a BMI of above 27 or below 18, you should see your doctor to have any additional risk factors assessed and for guidance on how to lose (or gain) weight.

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