Calculate your body mass index - Quetelet index (BMI)

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BMI range for adult men and women:

• Under 18.5 – you are considered underweight and possibly malnourished.
• 18.5 to 24.9 – you are within a healthy weight range for young and middle-aged adults.
• 25.0 to 29.9 – you are considered overweight.
• Over 30 – you are considered obese.

BMI is a useful measure of overweight and obesity. It is calculated from your height and weight. BMI is an estimate of body fat and a good gauge of your risk for diseases that can occur with more body fat. The higher your BMI, the higher your risk for certain diseases such as heart disease, high blood pressure, type 2 diabetes, gallstones, breathing problems and certain cancers.

BMI figure may not be accurate. BMI formula in fact will overestimate the amount of body fat for body builders, some high-performance athletes and pregnant women and underestimate the amount of body fat for the elderly, and for people with a physical disability, who are unable to walk and may have muscle wasting.