But seriously, I know for absolute sure that penis size does not tie into your value or worth. This should be deleted. Ellen Ledesma. Cameron, Thanks for writing in. Im 19 and my penis is like [redacted] or something like that is this normal? January 31, Reply. During puberty, it depends more on Tanner Stage than it does on age. At your age, you are due to have a physical exam each year. There was an error. I have 2 questions for you: I am 12 years old and my penis is around [redacted]. How big will it grow when I am older. H's Mom. January 14, Reply. January 22, Reply. January 13, Reply. M a n y, if not most, penises and testicles — some hang lower than others. January 10, Reply.