Till what age does the average penis grow??

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Im 17 and have a 9" penis and someone told me that you grow until 21 or 22 and that i will probably be 10" or more by then.Does anyone know what age penis growth usually stops at?

Usually around the mid-teens.

are you sure about sdp? if i heard correctly 20-22 is when men usually stop growing. i think you are wrong

I think, if I've read correctly, 20-22 is height. The penis grows independently of the rest of the body. That's why a kid with a growth spurt at 15 may still have the penis of a young boy.

According to About.com: In reply to:Teenagers have to wait for one or two years after they stop growing in height before they know their final penis size.Dr. Margaret says:In reply to:It is difficult to say at what age the testicles and penis stop growing. In some boys, they reach their adult size by about 12 1/2, but they may continue to develop until you are almost 17. The average age is roughly 14 1/2.

From individual reports here and elsewhere, it is clear that there is a lot of individual variation. There are people who stopped growing at 12, never to grow again; there are people still growing in their early twenties and (in one exceptional case) even early thirties. Anything in between is possible.Both height and penis growth ultimately depend on testosterone, but the mechanism is different (the tissues are different - growth in height is due to bone growth). In particular, the mechanism for stopping growth is different, and for the penis it's not well understood, and it seems it doesn't work equally efficiently for everyone.So all that can be done is to wait and see.

so it could still be possible that a persons penis could keep on growing well into their 20's? haha I'll let u know if anything happens in 5 years. All i know is i stop growing in height like at 14 or something

It really depends on when you started puberty and how quickly you go through puberty. But I would say on average, the penis stops growing for most guys between the ages of 16 and 18. But for guys who started puberty early, and went through puberty quickly, they could be done growing by 13 or 14, or even 12 in some rare cases. I was a bit of a late bloomer (couldn't ejaculate until almost 15), and my penis stopped growing around 18. Penis growth in the 20's is possible, especially if you are a very late bloomer (i.e. started puberty late, and/or went through puberty extremely slowly), but it is very unusual. I've never heard of penis growth in the 30's.

Well I can vouch that the penis does grow untill the 20's. I am just about to turn 20, and I noticed a bit more growh in my girth and my length. So I guess it all depends, like everyone has been saying.

Just mentioned this on another thread - but mine carried on growing until about 24/25 (I am only 25 now). And I wasn't a late starter. At 15 I was probably about 5" long and say 3-4" girth and it carried on growing - now 7½" long and 6" girth - I just thought it was normal actually for guys to grow in to their mid twenties?????

i hit puberty in 7th grade my dick started out as about 6 inches when errect but now i'm 18 just outta high school and it's almost 10 1/2 errect. dunno if i want it to grow anymore. testosterone's done enough

im 14 and 5 inches. i wanna still be growing till im 22 hopefully.