Calculation of Body Mass Index (BMI)

Body mass index (BMI) is a measure of your weight in relation to your height. It is the most widely used measure of a healthy weight versus being overweight or obese. There is increasing evidence that being overweight aggravates FM as well as predisposing to the development of diabetes. FM patients with diabetes tend to have more severe symptoms.
See FM and Weight Literature

To calculate your BMI, fill out your weight and height - in either inches and pounds or meters and kilograms.

(note: your browser must support Java to do this calculation)

Height: in m; weight: lb kg

You have a body mass index of

This is considered see charts below:

BMI and Waist circumference and risk of cardiovascular disease:

BMI	BMI rating	Waist less than or equal to 40 in. (men) 35 in. (women)	Waist greater than 40 in. (men) 35 in. (women)
18.5 or less	Underweight	No increased risk	No increased risk
18.5 - 24.9	Normal	No increased risk	Low risk
25.0 - 29.9	Overweight	Increased risk	High risk
30.0 - 39.9	Obese	High risk	Very High risk
40 or greater	Extremely Obese	Extremely High risk	Extremely High risk

             Ideal weight in relation to height:

Note: Muscle weighs more than fat and an elevated BMI may be due to a high muscle mass.
For instance Arnold Schwarzenegger had a BMI of 33 as Mr.Universe in 1967.

BMI may overestimate body fat in athletes and others who have a muscular build.
BMI may underestimate body fat in older persons and others who have lost muscle mass.