05 April 2021

The average length of an erect human penis

"Most men believe that the average length of an erect penis is greater than 6 inches (15.24 cm). This belief is due, in part, to several often-cited studies that relied on self-reported measurements, with means of about 6.2 inches (15.75 cm) for heterosexual men and even greater for gay men. These studies suffered from both volunteer bias and social desirability bias. In this review, the combined mean for 10 studies in which researchers took measurements of erect penises was 5.36 inches (13.61 cm; n = 1,629). For 21 studies in which researchers measured stretched penises, the mean was approximately 5.11 inches (12.98 cm; n = 13,719). Based on these studies, the average length of an erect penis is between 5.1 and 5.5 inches (12.95-13.97 cm), but after taking volunteer bias into account, it is probably toward the lower end of this range. Studies show that a majority of men wish they were larger, with some choosing penile lengthening surgery. These surgeries are considered by the American Urological Association to be risky. Most men seeking surgery have normal sized penises. Counseling with factual information about penis size might be effective in alleviating concerns for the majority of men who worry about having a small penis."
Abstract posted at the NIH's National Library of Medicine.


  1. Sure is quiet.

  2. ((( Considering the state (or outright lack) of sexual education in most countries I think it would also be useful to inform men that "go deeper" or "harder" does not in fact mean "your penis is too short to satisfy me", but rather "it feels good when your pelvis bumps against my clitoris and labia, where most of the actual nerve endings are" )))

  3. It's quiet because it's so little. It wouldn't even make a decent Polish dog. Now, "The average length of a blue whale penis is 8 to 10 feet. At full size the penis would be 16 feet long and roughly 770 to 990 pounds." (According to Teddy Fotiou.) That would be louder, I think. You'd hear that one coming from quite a distance away.

  4. And yet, the average dildo size is 7.5 inches.



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