More than strictly how much you weigh, body composition and where you store fat can have great impact on your overall health. Naomi Parrella, medical director for the Center for Weight Loss and Lifestyle Medicine at Rush University. If you have more muscle, your BMI may categorize you as overweight or obese,” says Dr. “As we age, unless we are exercising, we will lose lean tissue mass (usually muscle, but also bone and organ weight) and gain fat. So, a man and woman with the same height and weight will get the same BMI number but may not have the same body fat-to-muscle ratio. The same goes for women, who tend to carry more body fat, versus men, who tend to have more muscle mass. These realities can skew your BMI number and make it less accurate for predicting exact body fat levels. Younger people and athletes may weigh more due to strong muscles and denser bones. Older adults tend to lose muscle and bone, so more of their body weight is likely to come from fat. But it’s only one measure and doesn’t tell the whole story.įor example, BMI doesn’t take into consideration your age, sex, or muscle mass, which are all important when it comes to finding your ideal weight. It’s helpful that BMI numbers are standardized and offer ranges of healthy body weights. For a BMI chart showing numbers greater than 30, see the National Heart, Lung, and Blood Institute website. Note that the BMI numbers in this table range from 19 to 30. Scan upward to the top of the column to find the corresponding BMI number for that height and weight.įor example, the BMI for a person 67 inches tall weighing 153 pounds is 24.Scan across the row to find your weight (pounds).Find your height (inches) in the left-hand column.You can calculate your own BMI on the Centers for Disease Control and Prevention website. Having a higher BMI number increases your risk of serious health conditions, including: BMI numbers range from low to high and fall into several categories: Your body mass index (BMI) is an approximate calculation of your body mass, which is used to predict your amount of body fat based on your height and weight.
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