Not all a man’s erections are created equal: average erect penis size by stimulation method

[dropcap]H[/dropcap]ey friend, did you know that a man’s erections are not all created equal? Yes, a man will have a whole range of erection sizes and qualities depending on a host of factors. Something interesting that a 2014 study published in the Journal of Sexual Medicine looked at was erect penis length versus the stimulation method that the erection was obtained from. In other words, the analysis explores the question of whether there are better warm up methods/routines to maximize a man’s readiness for the big game.

My personal favorite pre-intercourse routine to receive is oral sex; that activity creates the most favorable circumstances for a man’s penis to rise up and perform at its best. Oral sex in my opinion maximizes the 2 key ingredients that are crucial for good erections:


1) Relaxation

Is there anything better to relax a man than some good oral sex? There’s no work required on his part; all he has to do is sit back, relax and enjoy the show (it’s nice if he can offer a few words of encouragement, some positive feedback and maybe some moans thrown in as well). A calm mind and body are critical for high quality erections, most notably since relaxing the smooth muscle of the penis is what allows all that blood to rush in and engorge it. The relaxation factor is one of the reasons why most men get their best erections in the morning soon after they wake up.


2) Arousal

The most important element in high quality erections is of course arousal i.e. how turned on a man is. Few things are more visually stimulating (besides one of the players on your fantasy team scoring a go-ahead touchdown) or tactility stimulating than oral sex. It’s just the best! I was at a bar recently and a question came up at my table: if you had to choose only oral sex or only intercourse for the rest of your life, which would you choose? The situation is partner neutral of course, meaning that your partner or partners are indifferent to your choice. Everyone quickly answered intercourse, but then I saw few guys eye level rise and begin to think more deeply about the question. Some guys changed their answers to lifetime blowjobs, which seemed to be influenced by whether they were in a very long term relationship (or out of shape!). I stuck to my intercourse guns, as there’s just nothing like the versatility, creative expression, and intimacy of intercourse; but I thought about it!

Anyways, I digress. As I wrote about in detail previously, the study had 1,661 men self-report their erect penis dimensions and had them document the method of stimulation used to obtain their erection. The choices were (percentage of men who utilized that method): fantasized only (2%), my hand only (36%), partner’s hand only (7.7%), partner’s mouth only (3.9%), one other activity (14.2%), and two or more activities (36%). The results are summarized in the graph below with each bar representing mean erect penis length. The smaller number is the mean erect circumference.




As you can see, partner mouth only i.e. oral sex produced the largest average erect penis length of 15.0 cm (5.9″) and by a pretty good margin. In terms of statistical significance, ‘partner mouth only’ was significantly larger than ‘fantasized only’. In a bit of an upset, ‘two or more activities’ was second with a mean erect penis length of 14.3 cm (5.6″) (I think most people would assume, more activities equals more stimulation and hence, larger erection). However, ‘two or more activities’ did have the largest mean erect circumference of 12.7 cm (5.0″).

Not surprisingly at all, ‘fantasizing only’ had the shortest mean length of 13.4 cm (5.3″). As visual as we men are, there’s just no comparison to physical touch–even after watching the pottery scene from Ghost on repeat for an hour. And a man gets older in age, erections won’t typically occur without physical stimulation i.e. a man can’t charm his snake out of the basket anymore; someone needs to go in and grab the thing to get it to rise up out of there.

The conclusion raised by this analysis gives us the classic chicken and the egg question, which is also raised in the study: does oral sex produce a guy’s largest erection or do guys with larger erect penises simply get more oral sex? Did I just blow your mind? There’s no way to prove either conclusion based on the data in the study, so it could even be a combination of both.

The tried and true secret to receiving more oral sex is to give more oral sex–I’ll discuss this more in a future post. If you want to try a shortcut, feel free to use the graph in this post to help make a compelling case for additional pregame blowjobs. After all, men just want to be their biggest and best selves to better pleasure their partners 🙂


Herbenick, D., Reece, M., Schick, V. and Sanders, S. A. (2014), Erect Penile Length and Circumference Dimensions of 1,661 Sexually Active Men in the United States. J Sex Med, 11: 93–101.

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