meaning your waist circumference should be less than half your height. ， and racial and sex differences. For example， bone density。

athletes might have a high BMI due to increased muscle mass rather than increased body fat. Waist-to-Height Ratio is a simple screening tool that can indicate central obesity. A healthy ratio is generally considered to be 0.5 or less， overall body composition，。

Body Mass Index (BMI) is a measure of body fat based on your weight in relation to your height. It applies to adult men and women. BMI Categories: Underweight: BMI less than 18.5 Normal weight: BMI 18.5 to 24.9 Overweight: BMI 25 to 29.9 Obese: BMI 30 or greater Limitations: BMI doesn't account for muscle mass。