yea yea over a year ago i am 14 years old with a 3/4 inch penis but when erect i have a 7.2 inch penis is that normal for my age Loading... medic-dan109453 over a year ago Hi Yea,You're bigger than average for an adult, that being 5 - 5 1/2".Enjoy! Reply Loading... lolololololol over a year ago Damn strait mother fker!!! Reply Loading...