BMI Calculator
Body Mass Index or BMI is a tool for indicating weight status in adults. It is a measure of weight for height. For adults over 20 years old, BMI falls into one of these categories:


Weight Status

Below 18.5


18.5 24.9


25.0 29.9


30.0 and Above


BMI correlates with body fat. The relation between fatness and BMI differs with age and gender. For example, women are more likely to have a higher percent of body fat than men for the same BMI. On average, older people may have more body fat than younger adults with the same BMI.It is a number calculated for a person's weight and height. This data is extensively used by the health personalities to measure and compare the body fat of a person. BMI is not a direct measure of body fat. But as statistics are available for normal health people, BMI is good substitution of direct body fat measurement and gives fairly good result for most of the people.

The BMI ranges are based on the effect body weight has on disease and death. As BMI increases, the risk for some disease increases. Some common conditions related to overweight and obesity include4

  • Premature death
  • Cardiovascular disease
  • High blood pressure
  • Osteoarthritis
  • Some cancers

    Advantages and limitations of BMI: The main advantages of BMI as a body fat indicator are:-

  • BMI is very easy to measure. Only two parameters, height and weight are required which can be easily measured by common people.
  • As it is accepted as a general standard for measuring body fat, a person can compare his health with others.

    The limitations of BMI are:-

  • BMI can't discriminate between body fat and muscle. So a body builder may find himself as obese in BMI scale.
  • Age and sex are not considered in BMI measurement. So analysis of BMI varies with those parameters.
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