When erect, average penis size swells to 5.2 inches in length and 4.6 inches in circumference.Penis size is one of the most common sources of insecurity for men.

How can the answer be improved?

Mar 03, 2015 · The average length of an erect penis is 5.16 inches (13.12 centimeters) and the average circumference is 4.59 inches (11.66 centimeters), according to a new analysis of penis …

physiological phenomenon in which the penis becomes firm, engorged, and enlarged, as the result of a complex interaction of psychological, neural, vascular, and endocrine factors, often (but not always) associated with sexual arousal

Currently, the countries with the largest average penis size, 7.1”, are Congo and Sudan. The country with the smallest average size, 3.7”, is South Korea. The United States (and other Caucasian-population countries), on the other hand, have a modest average, which is around 5.1”.

A graph of the size distribution shows that outliers are rare. A 16-cm (6.3-inch) erect penis falls into the 95th percentile: Out of 100 men, only five would have a penis larger than 16 cm.

This study found the average penis size to be as follows: Average size for an erect penis is 14.2 cm (5.6 inches) Average circumference of an erect penis is 12.2 cm (4.8 inches).

Interestingly, by this measure, the human male, the primate with the biggest penis, was not the king of the swingers: His testicles, together weighing 1.5 ounces, bore no comparison with those of

Erect, the average penis is about 5.2 inches in length, with an average circumference of about 4.6 inches. Not quite what you’d expect, right? From harmless bragging to porn-induced expectations about penis size, there are numerous factors that contribute to the belief that the average man’s penis is, well, bigger than the real average.

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).