15cm is average so so 20cm is above average.
Tiny since you asked!
8 inches is quite big i am 14 almost 15 and i have a 11 cm erect penis, the adverage for an 18 year old is 5-7 inches (acourding to most studies) so yes 8 inches is good BUT a bigger penis is not always better, if haveing sex and your penis is too big it can hurt the woman, but yes 8 inches is a very good size
A human penis does not grow that long as a rule. There may be an exception to this but it is very rare. I think the longest recorded was 15'' The average penis is 3-4'' flaccid and 5.5-6'' erect. An animal erect penis can reach feet in length ! ie ; whale and elephant for example.
usually by 15-16 a teen boy will have reached an adult physique...of course, late bloomers will continue developing into their late teens
Ok I’m 14 mine is 6 inches when erect so me personally If I’m being honest I don’t think that’s small or big it’s the right size for 14 it depends on your genes it’ll grow either way though if you are 14 you have 4 to 6 years to grow don’t be worried
5-7" for penis...mine is 5 mine is 12.7 errect 9.1 non errect ^hes lying
It's like 10 inches big
I'm 15 and i have a 8 and 1/2 inch penis and the average penis for a 15 year old boy is 6.2 inches when erect and 4.1 inches around
There is no set amount for the size of your penis in puberty, it will grow don't worry.
Not to sound rude but i highly doubt that u have an 18" penis
Tiny since you asked!
size it again
Some boys don't start puberty until 15 years old, so don't worry about it just yet!
The average adult male's penis is between 5 and 6 inches.
Yes, average adult male size is 4.5 in
hey its upon ur luck but never lose ur hope
no, I'm also 15, and my body grew a lot during time, but my penis and testicles don't. Wait some months, now my penis and testicles are really big, (penis: 25cm). Wait Th time to pass, so you will have really fun then. I'm ejaculating now!!