![]() For example, it does not distinguish between individuals who are overweight due to increased fat mass versus increased muscle mass. Moreover, the classification system for interpreting BMI results has limitations. Secondly, it also does not take into account differences between adults and children, pregnant women, and older adults. For example, highly muscular individuals may have a high BMI but low body fat. While BMI is a widely used and easily accessible tool to assess an individual's weight status, it has several limitations and is not a perfect measure of body fat.įirstly, it does not take into account differences in muscle mass, bone density, and distribution of fat, and thus may not accurately reflect an individual's overall health. The BMI value obtained can be interpreted as follows: Where weight is measured in kilograms and height is measured in meters. It is calculated as the ratio of an individual's weight in kilograms to the square of their height in meters (kg/m 2). BMI Percentile Calculator for Women and Menįor various reasons, BMI also varies by age.The Body Mass Index (BMI) was invented by Belgian mathematician Adolphe Quetelet in the 19th century.Once you calculate your BMI, head to these pages to see how it stacks up to the United States BMI distribution: It's important to note that the distribution of BMIs varies for men and women. Want to compare a BMI to a range? Try the BMI Percentile Calculator which shows a body mass index compared to the distribution of BMIs for American adults. You can also estimate your body fat percentage. See the body fat distribution for men and women in the United States. While BMI is a simple formula, BMI interpretation is best left to a qualified professional.įor our own health we prefer tracking body fat. If you are concerned about body composition and health you should consult a doctor, nutritionist, or other qualified professional.Īdditionally, note that guidelines for body composition change based upon race and ethnicity, and different countries have different BMI guidelines. ![]() How Should You Use BMI and the BMI Calculator? As muscle mass varies with age, the effect becomes more extreme at lower and higher ages. Likewise, a person with low levels of muscle but a normal weight might have an unhealthy body composition. An athlete with low body fat and high levels of muscle might be improperly classified as overweight or obese. Popularly, body fat percentage gives a better sense of healthy body composition. While Body Mass Index is an excellent measure at a population level, it does occasionally fail for individuals.Īdding additional variables can help sort out false categorizations. Weight Scale,close-up BMI as a Measure of Healthįor some percentage of people, BMI inaccurately classifies them as healthy or unhealthy. Also known as extreme or severe obesity.One BMI is in the obese category, the CDC categorizes levels of obesity. The CDC gives suggested BMI ranges for underweight, healthy weight, overweight, and obese. The BMI calculator internally uses the United States Center for Disease Control guidelines for healthy BMI reports. (Height in Meters) ^ 2 Body Mass Index Guidelines Then, simply divide weight in kilograms by height in meters squared to get BMI: To compute body mass index, first (if needed) convert weight to kilograms and height to meters. This calculator uses the Body Mass Index Formula. Body Mass Index Calculator Body Mass Index Formula In the results, we'll show you if that BMI is a healthy weight, or instead underweight, overweight, or obese. BMI, or Body Mass Index, is a measure of whether a person is at a healthy weight.Įnter your height and weight in feet, inches, and pounds or meters and kilograms and we'll compute your Body Mass Index.
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