I'm 15 years old 5'10'' and 150 lb I'm an average Chinese buff teenager and has hair everywhere except for chin and inner thigh. But I am worried about my penis size. It is 3 inches flaccid and 4.5 inches hard. But my dads is like 6 inches (saw it when I was like 6) flaccid and im really worried that I have a small penis since the average length of a penis is 5-5.5 inches and I think I'm almost done with puberty. ( I really just need to know if my penis size is normal and can it grow more
Hi Wocka,
Your penis can grow into your early 20's. 4-5" is average for a 15 year old. 5.1 is average for an adult (new study.)
You are NOT even close to finishing developing physically. You can expect changes in growth and musculature into your early 20's as well.
Puberty is really just the point in time in which you are capable of reproduction, not a period of development.
Hope it helps. Good luck.