But this causes quite a small variation in weight and is accounted for in the range of healthy BMI. You measure your waist body mass index calculation bmi calculator half way between the bottom of your ribcage and capculator top of your hip bones, with the tape measure parallel to the floor. Weight decimal places allowed : Select Weight lbs. See below for a list of BMI categories classifications.Д«MI is further influenced by factors such as age, sex, ethnicity, muscle mass, and body fat, and activity level, among others. Weight is referred to as 'mass' in medical literature, while height is often called 'stature'. The graph shows relationship between being overweight or obese according to BMI measures and relative risk of different diseases. A recent study comparing BMI, waist circumference, waist to hip ratio and waist to height ratio found that the most accurate way of predicting your whole-body fat level was waist-height ratio. To receive email updates about this topic, enter your email address. What are other ways to assess excess body fatness? There is really no such thing as someone who is big-boned.Д«MI is simply a guide value for the target weight of adults. In athletes, particularly bodybuilders who would be considered overweight due to muscle being heavier than fat, it is entirely possible that they are actually at a healthy weight for their body composition. Is Body Mass Index reliable?Д«ecause muscle mass tends to drop and body fat tends to rise in older people, BMI may not be an accurate reflector of body fat if you're over Disclaimer: This article is for information only and should not be used for the diagnosis or treatment of medical conditions. You will be subject to the destination website's privacy policy when you follow the link. This would be considered unhealthy, while a younger person with higher muscle composition of the same BMI would be considered healthy. CDC is not responsible for Section compliance accessibility on other federal or private website.ДЄlthough the PI suffers from similar considerations, the PI is more cxlculation for use with very tall or short individuals, while BMI tends to record uncharacteristically high or low body fat levels for those on the extreme ends of the height and weight spectrum. Note that the calculator also computes the Ponderal Index in addition to BMI, both of which are discussed below in detail. It is widely used as a general indicator of whether a person has a healthy body weight for their height. For information about the importance of a healthy diet and physical activity in reaching a healthy weight, visit Healthy Weight.

Add this widget to your website to let your audience calculate BMI for children and teens. However, the fact remains that you should be seriously concerned about your health if your BMI is 30 or over.

Links with this icon indicate that you are leaving the CDC website. A healthy BMI can be restored by living an active lifestyle. For more on the history of the BMI, check out this Slate. These ranges of BMI vary based on factors such as region and age, and are sometimes further divided into subcategories such as severely idnex or very severely obese. It is used to screen for weight categories that may lead to health problems. Diagnostic accuracy of BMI to identify obesity in older adults NHANES study Prediction of whole-body fat percentage and visceral adipose tissue mass from five anthropometric variables. In athletes, particularly bodybuilders who would be considered overweight due to muscle being index calculation bmi than fat, it is entirely possible that they are actually at a healthy weight for their body composition. CDC is not responsible for Section compliance accessibility on other federal or private website.

Next Steps.ДЄdditionally, height and level of sexual maturation can influence BMI and body fat among children. Being overweight increases the risk of a number of serious diseases and health conditions.ДЄs an alternative, experts therefore recommend calculating waist-to-height ratio, which corresponds to waist circumference divided by body height. Talk with your healthcare provider to determine possible causes of underweight and if you need to gain weight. The bigger your calculated BMI is, the greater the risk for cardiovascular complications like hypertension, type II diabetes, some types of cancer, renal disease, degenerative arthritis, gallstones, all of which have links to excessive weight relative to one's heigth. Consult your doctor if you think you or someone you know is underweight, particularly if the reason for being underweight does not seem obvious.

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