How Big Is Your Penis? Take the quiz to find out once and for all! by Dave Stopera. BuzzFeed Staff. 1. Choose a Starbucks drink! Frap! Frap!. This quiz will determine the size of your penis when you get older. Note not all predictions are correct.
How big is a penis compared to the average? In a study by researchers from King's College in London, the size of the penis has been compared from 20 different studies with over 15, men from 16 different countries of different ages from 17 years and up, partly to answer the commonly asked question "Am I . But the average erect penis is just inches, according to a scientific review that looked at the flaccid and erect penises of over 15, men. In the review, 68% of men measured between.