Your doctor may also offer lifestyle and diet advice to help lower your BMI. These diagnostic tests might include: skinfold thickness and waist measurements, diet and physical activity evaluations, family history and, other appropriate health screenings. If you have a high BMI and you fall into the overweight or obese categories, you should arrange an appointment with your doctor who may recommend further diagnostic tests to explore any health risks. You may want to monitor your BMI on a regular basis to keep abreast and check that you remain in this category. If your BMI figure indicates you are a normal healthy weight that’s great news. The higher your BMI the greater the indication of high body fatness and, excess body fat is known to be linked to both current and future morbidity. How to use BMI figuresīMI is a screening tool of your body fatness and your health. It also offers a useful reference of the BMI weight categories and their corresponding BMI values. Simply tap in your weight and height details in either metric or imperial measurements and this tool will calculate your BMI. The table below is from the WHO and shows the international classification of adult underweight, overweight and obesity according to BMI¹įor ease, you can use our automated BMI calculator. Weight categories can be further classified. Normal healthy weight - BMI between 18.5 and 24.9 x 703 = 24.96 BMI weight categoriesīased on your height and weight, you will be assigned to one of the following weight categories: If you’re 5’5” (65”) in height and 150lbs in weight, you would calculate your BMI as follows: The imperial BMI formula is your weight in pounds (lbs) divided by your height in inches, squared and then you multiply this figure by a conversion factor of 703. If you are 175cm (1.75m) in height and 75kg in weight, you can calculate your BMI as follows:ħ5kg / (1.75m²) = 24.49kg/m² Imperial BMI formulaīMI = x 703 To calculate BMI kg the metric formula is your weight in kilograms divided by your height in meters squared. There are two BMI calculation formulas to calculate BMI depending whether you’re using metric or imperial measurements. BMI calculation formula How is BMI calculated ? It offers an inexpensive and simple method of categorising people according to their BMI value so that we can screen people’s weight category and indicate their potential risk for health conditions. Metabolically healthy obesity: Facts and fantasies.Body mass index (BMI) is a measurement of a person's weight in relation to their height. Body mass index: Obesity, BMI, and health: A critical review. Body composition data for individuals 8 years of age and older: U.S. Body fat percentage - Are you at a healthy weight? (n.d.).Body composition information and FAQ's sheet.You can learn more about how we ensure our content is accurate and current by reading our editorial policy. We link primary sources - including studies, scientific references, and statistics - within each article and also list them in the resources section at the bottom of our articles. Medical News Today has strict sourcing guidelines and draws only from peer-reviewed studies, academic research institutions, and medical journals and associations. However, this method does still provide a quick and useful clinical tool to assess health risks. Having a high body fat percentage or BMI does not always lead to health problems. There are many limitations to BMI and measuring body fat. For example, fat around the abdomen has higher health risks than fat in other areas. The location of body fat is also relevant to overall health. For example, the BMI of a person with high bone density and muscle mass may indicate they have high body fat.Īlso, BMI cannot assess where fat is in the body. These factors are relevant to overall health and assessing body fat. It makes no distinction between lean muscle, body fat percentage, and bone mass. Using BMI to assess body fat or overall health is another issue. This suggests there may be cultural or racial bias with body fat percentage ideals. These differences raise concerns about whether or not ideal body fat percentages are realistic.Īverage body fat percentages also vary across race and ethnicity. Even healthy people can have unusually high body fat. Assessments of body fat consistently show that people have higher body fat percentages than official guidelines recommend.
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