The body ass index (BMI) is a simple way for men and women to estimate body fat based on their height and weight. From the BMI, it is possible to determine your healthy weight range.
The BMI is the most up-to-date and scientifically sound method available for determining healthy weight. One of the limitations of BMI is that it can over-predict overweight or obesity in people who are lean and muscular.
It is important to know that people who are classified as overweight or obese can still be healthy as long as they are fit. In one well-known study, fit people with BMIs that classified them as overweight or obese were healthier and lived longer than unfit people who were at normal weight.