Flat Stomach's Free BMI Calculator
The Body Mass Index (BMI) Calculator enables you to calculate your BMI value and weight status while taking your actual age into mind. Make use of the "metric units" tab in case you are much more comfortable using the international standard metric units. The referenced weight range and calculation formula shows up following a calculator.

BMI Quick Guide
Your BMI is really a measurement of your bodyweight depending on your weight and height. Although your BMI will not actually "measure" your percentage of body fat, this is a useful tool to estimate a sound body weight depending on your height. Because of its ease of measurement and calculation, it's the most favored diagnostic indicator to recognize an individual's optimal weight based on his height.

Body Mass Index Formula

The formulas to calculate BMI based on two of the most commonly used unit systems:

    BMI = weight(kg)/height2(m2)         (Metric Units)
    BMI = 703·weight(lb)/height2(in2)         (U.S. Units)

BMI Chart for Adults
This is a graph of BMI categories in line with the World Health Organization data. The dashed lines represent subdivisions inside a major categorization.