Medically reviewed by Suzanne Fisher, RD Key Takeaways Body mass index (BMI) is a calculation used to estimate your body fat.

Add Yahoo as a preferred source to see more of our stories on Google. For these reasons as well as the influence of environmental, hormonal, and mental factors, “your body size is not a very good ...

BMI (Body Mass Index) is a simple numerical value derived from a person's weight and height. It is calculated by dividing a person's weight in kilograms by the square of their height in meters. This ...