what does bmi measure and how is it calculated
Calculate Your Body Mass Index. Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.1  Enter your weight and height using standard or metric measures. 2  Select Compute BMI and your BMI will appear below.alculate Your Body Mass Index. Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.