Understanding the Body Mass Index or BMI

BMI is calculated as: your body weight (in kg) divided by your height (in metres ) squared.

It is designed for men and women over the age of 18.

A healthy BMI is between 20 and 25. A result below 20 indicates that you may be underweight; a figure above 25 indicates that you may be overweight.

English Calculation

Height:  feet
and  inch(es)
Weight:  pounds
(Note: 8 ounces = 0.5 pounds)

Your BMI:

 

Metric Calculation

Height:  Metres
(Note: 1 Metre = 100cm)
Weight:  Kilograms

Your BMI:

BMI What your BMI result indicates
Less than 19 UNDERWEIGHT
You are under optimum weight for your height. You could afford to gain a little weight.
20 - 25 ACCEPTABLE
You have a healthy weight for your height.
26 - 30 OVERWEIGHT
You are over optimum weight for your height. You may be facing health problems, so losing some weight would be a good idea.
31 + OBESE
You are over optimum weight for your height. You may be facing health risks, so see your doctor to help you achieve a healthier weight.

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Body Mass Index | Health Risk Appraisal | Readiness to Change Guide | Nutrition Analysis

 
 

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