The average girth is 3.66 inches for a flaccid penis and 4.59 inches for an erect penis. Girth is the circumference of the penis at its widest.
Erect lengths average from 12 to 16 centimeters (4.7 to 6.3 inches). Average size for an erect penis is 14.2 cm (5.6 inches); Average circumference of an erect .
Research has found the average erect penis size varies from around 13cm to 18cm (5in to 7in). You cannot make your penis larger or smaller with exercises or .
Scientific studies have been performed on the erect length of the adult an average erect penis length of 12.9 cm (5.1 in) was measured.