A review published in the 2007 issue of BJU International showed the average erect penis length to be 14–16 cm (5.5–6.3 in) and girth to be 12–13 cm (4.7–5.1 in).
Recenze publikovaná v roce 2007 v BJU International ukázala průměrnou délku penisu 14–16 cm (5,5–6,3 palce) a obvod 12–13 cm (4,7–5,1 palce).