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Only when stimulated. No, but seriously, everybodys metabolism is different. Just because one person is finished growing at 20 doesn't mean another person is also. There's really no way to tell, sorry!

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14y ago
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Wiki User

14y ago

from my knowledge not naturally but you can take pills and if you are the luckiest man alive or in some cases very unlucky it can grow that big, but not very often, as in maybe once in 20 years

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Wiki User

14y ago

The average size of an adults erected penis is 5.1 - 5.9 inches (12.9 cm - 15 cm), when measured correctly, however this is just an average average, a large portion of males fall above or below this number.

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Wiki User

14y ago

If your girl live with your boy friend, if your a boy find out yourself

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Wiki User

13y ago

3-5 inches is average size for a white male penis

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Wiki User

13y ago

Normal is what you have, normal for me is what I have. Average is 6 to 7 inches. That means some have 2 and some 12 with the vast majority in the middle at 6.

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Wiki User

12y ago

6-7 inches worldwide. Varies depending on location.

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14y ago

somewhere around 6in

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Anonymous

Lvl 1
3y ago

3.66 inches

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Q: What is a average 20 year old mans penis length?
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Related questions

What is the average length penis for a 22 year old?

6 to 7 inches


What is the average length of an 18 year old males penis?

5 or 6 inches.


How long is the average penis length hard for 17 year old?

well the average size for a penis for 16 -18 year old is about 6.6 in. - 7.5in.


What is the Size of penis for 7 years?

The average length of a seven-year-old boy's penis is between 2 and 2.8 inches when erect.


What is the average penis length of 37 year old black male?

Just under 6 inches.


Length of penis of a 162cm boy?

162cm is the average height for a 14 year old boy. You could be older or younger and the stage of puberty you are at willl also have a large bearing on your penis size. But a 14 year old boy might have an average penis length of 3 or 4 inches erect, obviously some boys will have a smaller erect penis than this and other might have a longer one.


What is the average length of a 20 year old man's penis?

The average length of anyone's penis is 5-1/4 to 5-1/2 inches. The length has absolutely nothing to do with age. Penis size is inherited from your parents, and there is nothing short of surgery that you can do to permanently change its size.


Is a 6.2 inch penis the right size for a 13 year old?

This is actually a little large for a 13-year-old. At this point, the average length is more like 5 inches.


Avrage penis size for a just turned 16?

The stretched penile length of a 16 year old should be between 9.4cm and 14.8cm (average 11.9cm) Stretched penile length is obtained when the penis is flaccid, and as the name suggests, stretched. Measure from the anterior (top) surface.


What is the length of an 23 year old boy's penis?

At 23 you are not a boy anymore but an adult and the average size for a man is 5-6 inches.


You just turned 17 your penis is small how big is an average 17 year old penis?

An average penis is about 6 inches some males grow larger and some take time to develop or just reach a certin length and stop growing Its all about the gence you get from your parents


Is eight and a half inch penis length for a 13 year old bad?

It's better than average, so you're ok.