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. British Journal of Anaesthesia1 06(5): 719-23 (2011).On this page is a BMI Calculator. ![]() Bird "Estimation of lean body mass in children". Hume, R "Prediction of lean body mass from height and weight."."Research on obesity: a report of the DHSS/MRC group" HM Stationery Office 1976 "Estimated lean body mass as an index for normalization of body fluid volumes in man." Am J Physiol 1984 247: F632-5 The difference between lean body mass and fat free mass amounts to approximately a 2-3% difference in men and 5-12% difference in women. Subtracting the mass of essential fat from lean body mass yields fat free mass. This is the difference between fat free mass and lean body mass. Although internal organs also have surrounding subcutaneous fat, this fat is not included within the measurement of lean body mass.įat free mass is calculated as the difference between total body mass and all fat mass including essential fat. Internal organs include some essential fat and the mass of this fat is included within the measurement of lean body mass. Lean body mass includes the combined mass of bones, muscles, water, ligaments, tendons, and internal organs. While this is unlikely to cause issues in most cases, the two are not exactly the same. Lean body mass and fat free mass are often used interchangeably. In the formulas above, W is the body weight in kilogram and H is the body height in centimeter. ![]() The formula is used to compute an eLBM based on an estimated extracellular volume (eECV) as follows: eECV = 0.0215 The author suggests that this formula is applicable for children aged 13-14 years old or younger. Multiple formulas have been developed for calculating estimated LBM (eLBM) and the calculator above provides the results for all of them. To compute body fat, consider using our body fat calculator or ideal weight calculator. For body fitness and routine daily life, people normally care more about body fat percentage than LBM. Some medical exams also use the LBM values. The dosages of some anesthetic agents, particularly water-soluble drugs, are routinely based on the LBM. Generally, men have a higher proportion of LBM than women do. While the percentage of LBM is usually not computed, it on average ranges between 60-90% of total body weight. This means that it counts the mass of all organs except body fat, including bones, muscles, blood, skin, and everything else. Lean body mass (LBM) is a part of body composition that is defined as the difference between total body weight and body fat weight. Related Body Fat Calculator | Army Body Fat Calculator | BMI Calculator
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