Many scientific researchers have tried to answer the question that males — and females — worldwide want clear information about: What size is the average penis? Many people experience anxiety about whether their penis is big enough and if it will satisfy a sexual partner. Often, however, these fears are unfounded. A research article notes that most males believe the average length for an erect penis is around In fact, the average is much smaller. While sizes vary widely, the average length is probably While results vary slightly, most studies estimate the average to be within this range.

related stories

Secondary navigation
Try out PMC Labs and tell us what you think. Learn More. Does the size of the male penis, in terms of length or width, make a difference in female sexual satisfaction? To study the effect of penis width vs. None reported they did not know, or that width and length were equally satisfying.
Latest news
There are many possible causes of a sore penis after sex, including certain sexual practices, infections, and underlying conditions. In this article, we look at some of the most common reasons why a person might experience a sore penis after sex. We also discuss treatment options, prevention tips, and when to see a doctor. Friction during sex may cause the penis to feel sore afterward. The chance is higher if the sex was particularly rough or involved forceful thrusting, as this can cause excessive friction and irritation. Friction may also cause chafing and discoloration. Friction can be worse if there is insufficient lubrication during sex.
The average girth is 3. Girth is the circumference of the penis at its widest section. The BJUI research used data from 17 studies, and the study participants totaled more than 15, men. In addition to the averages listed previously, the analysis charted sizes and placed them into percentiles. For example, an erect penis of 6. That means that out of men, only five would have a penis longer than 6. Likewise, an erect penis of 3. Other studies have produced similar results. In other words, men can have erections of similar size, but have flaccid penises of varying size.