Erect Penis Circumference (girth)

The average erect circumference (girth) as shown by our survey is... 4.8 inches (12.1 cm). Other studies have shown that the average circumference is around 4.5 to 5 in (11.4 to 12.7cm).

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Note: this survey is not scientific. It is for entertainment purposes only.

Warning!
No pills, pumps, implants, surgically-enhanced apparatus or seductive Scandinavian females allowed in the survey area.
That would not be fair.
Trouser Snake