According to one study published in the British Journal of Urology International (BJUI), the average length of a flaccid penis is 3.61 inches, while the average length of an erect penis is 5.16 inches.
The average girth is 3.66 inches for a flaccid penis and 4.59 inches for an erect penis. Girth is the circumference of the penis at its widest section.
Keep reading to learn more about penis size, how much size matters for sexual satisfaction, and what you should do if you’re worried that your penis is too small.
