Erect lengths average from 12 to 16 centimeters ( to inches). Average size for an erect penis is cm ( inches); Average circumference of an erect .
The average girth is inches for a flaccid penis and inches for an erect penis. Girth is the circumference of the penis at its widest.
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 .