There are other things to think about when judging how much someone should weigh. But it’s not always the final word in deciding if a person is overweight or obese. The BMI can also underestimate body fat in people who have lost muscle mass, such as some older people.įor most adults, the BMI is a good way to get an idea of healthy weight ranges. For example, bodybuilders or other very muscular people can have a high BMI because of their muscle mass, even though they’re not necessarily overweight. BMI gives a good estimate of total body fat for most people, but it doesn’t work well for everybody. Are there any issues with using BMI?ĭoctors and nurses often use BMI to help find out if a person might have a weight problem. This is well within the healthy weight range. Divide that by your height in inches, squared:īMI = (your weight in pounds x 703) ÷ (your height in inches x your height in inches)įor example, if you weigh 120 pounds and are 5 ft. When using pounds and inches, the formula needs to be altered slightly. The actual formula to determine BMI uses metric system measurements: weight in kilograms (kg) divided by height in meters, squared (m 2). tall is considered overweight (BMI is 25 to 29) if he weighs between about 174 and 202 pounds, and is obese (BMI is 30 or more) if he is closer to 209 pounds or more. She is considered obese (BMI is 30 or more) if she is closer to 174 pounds or more.Ī man who is 5 ft. tall is considered overweight (BMI is 25 to 29) if she weighs between about 145 and 169 pounds. This table shows us that a woman who is 5 ft. At the top of the chart you can see your BMI, and at the bottom of the chart you can see which category you fit into – healthy weight, overweight, or obese: To use the table below, find your height on the left side of the chart, then go across to the weight that is closest to yours. There are also several online BMI calculators, such as this one on our website. Charts and online calculatorsĬharts and tables, such as the one below, are one easy way to figure out your BMI. BMI is often used as a screening tool to decide if your weight might be putting you at risk for health problems such as heart disease, diabetes, and cancer.īMI is used to broadly define different weight groups in adults 20 years old or older. In general, the higher the number, the more body fat a person has. ![]() BMI is a number based on your weight and height. (That's a point 5% not 5%.Body mass index, or BMI, is a way to help you figure out if you are at a healthy weight for your height. If your body fat percentage is too high (see the chart at the bottom of the calculator), you lower it the normal way you lose weight: through moderate eating and being active/exercise.Ī realistic drop in body fat would be about. You can be "skinny fat." How Do I Lower My Body Fat Percentage? I'd much rather weigh 135lbs with a lower body fat percentage than 120lbs with a higher body fat percentage. I've been a flabby 120lbs and a lean 135lbs. See: 3 Reasons Why Being Overweight Can Harm Your Health Your body composition is much more important because excess body fat can result in health problems. That's why it's important not to focus solely on the your weight. So, body composition is defined as the makeup of the body in terms of the relative percentage of fat-free mass and body fat. Lean body mass - also known as fat-free mass (FFM) - is everything else that your body is composed of (muscle, water, connective tissues, blood, skin, organs and so on).įat weight and lean body mass make up your body composition. The other 140lbs is your lean body mass (LBM). If you weigh 200lbs and your body fat percentage is 30%, this means that your body fat weight (BFW) is 60lbs. Your body fat percentage (BFP or BF%) is the percentage of your body fat in relation to your overall weight. Jump to Body Fat % Calculator Related Calculatorsīasal Metabolic Rate (BMR) What is Body Fat Percentage (BFP)? Although there are more accurate methods (hydrostatic weight, skinfold calipers), you can still use this method to track any changes that appear. ![]() Easily calculate your body fat percentage with this simple calculator.
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