Answer;
One could use body mass index, waist circumference, and waist-to-hip ratio.
Step-by-step explanation;
-Body mass index is a measurement of a person's weight with respect to his or her height. It is a good indicator of ones body fat.
-Waist circumference (WC) is an indicator of health risk associated with excess fat around the waist.
-Waist-to-hip ratio is the dimensionless ratio of the circumference of the waist to that of the hips.