what is bmi attributed to
Body mass index (BMI) is a measure of body fat based on your weight in relation to your height, and applies to most adult men and women aged 20 and over.For children aged 2 and over, BMI percentile is the best assessment of body fat. BMI does not measure body fat directly.here are two ways to check your BMI: 1  Use our BMI calculators. 2  Use the BMI chart. 3  First, find your height in the left-hand column. 4  Then, follow it over until you find your weight along the top bar.