Bmi For A 20 Year Old Male. Bmi depends on the person's height and weight. You're at very high risk and should contact a gp if your waist is:

These values apply for a 20 years old 5'7 heigh man. Notice the 50 <small”>th percentile red line, which indicates the “ median ” (or average) bmi value. Bmi 5'9 110 pounds 20 years male.