I have been visiting this website fairly regularly since last October (2014). There are a lot of things that I have noticed about the questions posted here. Most prominent among those things is how frequently people post about their penis, or ask if they are "normal." There are many posts that I have seen that seem to be people seeking attention. But there are others that are genuinely seeking honest opinions.
In the age of the internet this information is widely accessible. However, I understand that many people enjoy learning and discussing this topic while interacting with others. Reading stats and information on some website can be informative, but is usually rather dull.
Based upon all of this I have decided to try to bring information and statistics from across the internet into this post. This hopefully will offer some solid, reliable information and create an environment for open discussion that is enjoyable.
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"The most accurate measurement of the human penis comes from several measurements at different times since there is natural minor variability in size due to arousal level, time of day, room temperature, frequency of sexual activity, and reliability of measurement. The mean of an erect human penis is approximately 12.9–15.0 cm (5.1–5.9 in) in length. Flaccid penis length is a poor estimate of erect length."--Wikipedia; https://en.wikipedia.org/wiki/Human_penis_size
"For adults, the average penis size is about 14-16cm (5.5-6.3 inches) when erect. The average girth for an erect penis is 12-13cm (4.7-5.1 inches).A penis would only be considered unusually small if it was less than 3 inches (7.6cm) long when erect.The measurements are based on a review of 50 studies on penis size conducted since 1942, which between them have measured 11,531 penises."--NHS (UK); https://www.nhs.uk/Livewell/penis-health/Pages/penis-size.aspx
"(American)The study found an average penis size as follows:Erect penile length of 14.2 centimeters (5.6 inches); Erect penile circumference of 12.2 centimeters (4.8 inches.)"--medical News Today; https://www.medicalnewstoday.com/articles/271647.php
"The average American man's penis is 5.6 inches (14.2 centimeters) long when erect, a new survey of 1,661 men finds. Penises come in all shapes and sizes. The smallest erect penis in the study was about 1.6 inches (4 cm) long, and the largest was 10.2 inches (26 cm) long. The average penile girth was about 4.8 inches (12.2 cm)."--LiveScience; https://www.cbsnews.com/news/reseachers-determine-average-us-penis-size/
"The average penis size is between five and six inches. That's for an erect penis.The flaccid male organ averages around three and a half inches."--WebMD; https://www.webmd.com/men/features/sex-fact-fiction?page=2
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Summary and Closing Thoughts:
- According to the brief research that I conducted an average penis is approximately 5.6 inches (14.2 centimeters) long and 4.8 inches (12.2 cm) in girth. This is average.
- In my own experience women tend to exaggerate the size of penises they have seen. Ladies, please refrain from commenting on the exact size of a guys penis unless you measure it. You may be unknowingly perpetrating unrealistic standards for men.
- Guys and Girls: When measuring a penis there is a way that is the industry standard.--(1) Start off by measuring the length of your penis. All you need to do is use a ruler or measuring tape. Position the ruler or measuring tape at the base of your penis (where it attaches to your body on top of the shaft - make sure to press into the pubic bone as far as you can because fat can actually hide the length of your penis). Measure your penis length by marking how long it is from the base all the way to the end of the tip. Write down this number and label it penis length. (2) Measure Penis Girth - Now you will be measuring around your penis, basically figuring out its circumference/thickness, or penis girth. For this step, you need to use a piece of string (or something similar) or a soft measuring tape. Gently wrap the string one time around the thickest part of the shaft/body of your erect penis (yes, it still needs to be erect!). Mark where the string meets and then measure the distance of the string with a ruler.--https://contraception.about.com/od/malecondom/ht/Penis-Size.htm;
In conclusion, Penis size is usually not something to worry about. Most men are normal or "average." Be confident with what you have and don't let a number dictate how you feel about yourself.
Most Helpful Guy