It is very hard to determine the answers to this question.
All people grow and mature at different rates. One boy may have a 4 inch erect penis at 17, while another could have an 8 inch erect penis. It all depends. Most guys’ penis’ will stop growing in length at the age of 20.
It is also hard to know how much someone will groe in height. Some men have been documentd as still getting taller at the age of 24, though it is rare that men still grow taller past 20. As to how many growth spurts you get, this is basically unattainable, as different people define growth spurts in different ways.
Be happy with your body, because it’s the only one you get. You should tell your freind that.
-thebrain
Men’s genitals grow throughout their lifetime, as the prostate grows so does the genetalia, just slower after the early to mid twenties, but sexual peak for men is usually around 19
When I was 16, my penis measured 7 inches. When I was 27, it was just over 10 inches, so it’d grown quite a bit in 9 years, but I’m not sure at what age it’d stopped growing.
December 30, 2009 | 
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I had my last growth spurt at age 23:4″extra in no time
There is no chart that indicates when a penis stops growing
Just wait and see:be patient.
Sky
It is very hard to determine the answers to this question.
All people grow and mature at different rates. One boy may have a 4 inch erect penis at 17, while another could have an 8 inch erect penis. It all depends. Most guys’ penis’ will stop growing in length at the age of 20.
It is also hard to know how much someone will groe in height. Some men have been documentd as still getting taller at the age of 24, though it is rare that men still grow taller past 20. As to how many growth spurts you get, this is basically unattainable, as different people define growth spurts in different ways.
Be happy with your body, because it’s the only one you get. You should tell your freind that.
-thebrain
Men’s genitals grow throughout their lifetime, as the prostate grows so does the genetalia, just slower after the early to mid twenties, but sexual peak for men is usually around 19
it all varies so much that it’s just about impossible to answer your question with some degree of certainly. things are not absolute, lots can occur
Men can grow up until they are 22 or some even 25
When I was 16, my penis measured 7 inches. When I was 27, it was just over 10 inches, so it’d grown quite a bit in 9 years, but I’m not sure at what age it’d stopped growing.