Researchers publishing in the Journal of Urology studied the penis sizes of 80 " physically normal" men, measuring penile dimensions before and after.
Human penises vary in size on a number of measures, including length and circumference has concluded that the average length of an erect human penis is 13.12 cm (5.17 inches) long, while the average circumference of an erect human.
It's a subject many men have wondered about at some point in time: What is the average penis size? According to one study published in the.
Many men worry their penis is too small. Find out what the average penis size is, and how most women are not interested in penis size.
Yet, humans judge sizes most accurately when visual and haptic .. Size of model selected by women indicating the “average” penis size. Fig 4.