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Study of More than 15,000 Penises Done to Determine Average Size

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Started by WristThick at 26,Nov,16 03:44  other posts of WristThick
Just to set the record straight since this question is asked almost every day on these boards.

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The British Journal of Urology International (BJUI) performed a study of more than 15,000 men to determine the average penis size. Entitled “Am I normal? A systematic review and construction of nomograms for flaccid and erect penis length and circumference in up to 15 521 men” we help put to rest the question of what really is a normal penis size.

The researchers reviewed studies on penis size and compiled the results. All studies had to include measurement of penis size by a health professional using a standard procedure, patients had to be at least 17 years of age, and a minimum of 50 participants per sample, to be included in their review. More than 20 studies were included in the review. It was their hope that by bringing these average measurements to light, they could be used to help counsel men in clinical and therapeutic settings.

The review uncovered the following:

-Average erect penis length was found to be just over 13 centimeters (approximately 5 inches).
-Average flaccid penis length was found to be 9.16 centimeters (approximately 3.6 inches).
-Average erect girth was found to be 11.66 centimeters (4.59 inches).
-Average flaccid girth was found to be 9.31 centimeters (3.66 inches).
-There was only a weak association found between penis length and foot size.
-Studies found some correlation between height and flaccid and erect penis length.
-Results, however, were inconclusive when it came to a correlation between penis size and finger length or testicular volume (ball size).
-Interestingly, it was found only 5% of men have an erect penis length greater than 16 centimeters (6.3 inches).

Regretfully, the researchers were unable to answer the debate about whether or not penis size can be correlated to race. Lynn suggests that penis length and girth are greatest in Negroids (sub-Saharan Africans), intermediate in Caucasoids (Europeans, South Asians and North African), and smallest in Mongoloids (East Asians). However, the researchers weren’t able to use this study in their review, because much of this data was self-reported, as opposed to gathered by medical professionals.

Veale, D., Miles, S., Bramley, S., Muir, G., & Hodsoll, J. (2015). Am I normal? A systematic review and construction of nomograms for flaccid and erect penis length and circumference in up to 15 521 men. BJU International, 115(6), 978-986. doi:10.1111/bju.13010

Similar topics: 1.Size of testicles. (I've got big balls)   2.Large Penises?   3.The New "Normal" Penis Size Has Been Announced After Lengthy Study   4.Penis Size   5.You want only big dicks? Baaaad news.  

New Comment

By Earlybird at 16,Apr,18 13:10 other posts of Earlybird 
Finally, an unbiased, scientific penis length study administered by doctors!

Oddly, I've found that a lot of guys don't want to believe it. Rather than believe good science - they'd rather trust Internet myth, polls that rely on self-reported measurements, and heavily-edited pics that suggest 7-8" is normal. WTF is up with that??
By WristThick at 16,Apr,18 20:40 other posts of WristThick 
Exactly. This is the whole reason why I posted it.
By liketoedge at 16,Apr,18 20:46 other posts of liketoedge 
ive alway know there are more guy under 6 inches than over...but you wouldnt know it from the internet

By Dannon_Utah at 26,Nov,16 20:14 other posts of Dannon_Utah 
To see the graphs aka to see where you stand

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By 0-00 at 29,Mar,18 15:14 other posts of 0-00 
Or go look here if you want to compare yourself to the results of the survey...
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By #535069 at 29,Mar,18 15:07
The last one I'd heard was that average was 6", but it was self-reported. So now, instead of being "perfectly average" at (a self-reported) 6 inches, I can now tell myself I'm a full inch above average!

By Darthshame at 12,Jan,18 23:37 other posts of Darthshame 
Great to see a study not based on self reporting. I have a few black female friends that say black men are like other men in varying sizes. Maybe smaller black dudes don't participate in these studies.
By 0-00 at 29,Mar,18 15:00 other posts of 0-00 
I totally agree with what those girls told you. I have had quite a few black girls in my time.

By liketoedge at 26,Nov,16 04:22 other posts of liketoedge 
Sounds about right. Guys just exaggerate far to much
By kebmo at 30,Nov,16 02:27 other posts of kebmo 
Say that again and I'll club you with my 14 inch cock!!
By #532695 at 29,Mar,18 05:57
Wouldja please?

By Earlybird at 29,Mar,18 03:27 other posts of Earlybird 
Yes, this is the most accurate study ever done on penis size. Oddly, a lot of guys don't want to believe it. They'd rather believe Internet myth, self-reported size polls, and what they see on porn sites.

Mine's statistically a bit on the short side when soft, but it's average in girth @ 2.5" x 3.5". When erect, it's a bit longer & slightly thicker than average @ ~5.75" x 4.75". Definitely a "grower".

By lawrenceo at 27,Jan,18 04:30 other posts of lawrenceo 
"Results, however, were inconclusive when it came to a correlation between penis size ....testicular volume (ball size)."

One of my boyhood friends had very large balls (esp. for his age) but also a very small penis. How that changed as he became an adult, I do not know.

By phart at 29,Nov,16 12:47 other posts of phart 
damn,I guess I am slightly above average at 6.75. I always thought I was tiny.
But when I was younger i used to hear women talk about how they needed big 9 incher's to satisfy them and I guess hearing that so much I kinda derived from it I was small.
By CountryCouple54 at 29,Nov,16 12:49 other posts of CountryCouple54 
Ha Ha. When a woman tells you she needs a 10 inch cock. What she really needs is a tighter pussy.
By Darthshame at 12,Jan,18 23:03 other posts of Darthshame 

By Dev01 at 12,Jan,18 23:45 other posts of Dev01 

By aznp3nis at 10,Jan,18 21:31 other posts of aznp3nis 
this is credible study. thanks for posting. guys, dont ever google "does size matter" liberate yourself from sexual stigma

By leopoldij at 30,Nov,16 02:07 other posts of leopoldij 
The penis collector
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By houghton at 29,Nov,16 20:10 other posts of houghton 
well how come I wasent asked to have my penis measured then

By spermkiss at 29,Nov,16 14:45 other posts of spermkiss 
"All studies had to include measurement of penis size by a health professional..." And they studied more than fifteen thousand men!

Man, is this a dream job or what! Can you imagine reporting to work, punching the clock and spending your work day examining and measuring dicks?

By CountryCouple54 at 29,Nov,16 12:36 other posts of CountryCouple54 
And 1% of that 5% has an erect penis larger than 9 inches. So for every 1,000 men, 10 of them have an erection over 9 inches long. And they are all members right here on SYD.

By aoneeyedmonster at 29,Nov,16 03:46 other posts of aoneeyedmonster 
Thanks for the info
--------------------------------------- added after 16 hours

End to end how many miles of cock would that be?

By dickisgreat at 29,Nov,16 03:33 other posts of dickisgreat 
The important thing is that it's a pretty even spread from 4.5" to 6.5" (11 to 16cm) which means there's roughly similar numbers of guys with 4.5, 5, 5.5, 6 and 6.5.

Sadly a full 35% are 5" or less! (12.7cm)

and only 5% are over 6 -1/4"

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