Guest over a year ago I have a 6 3/4th inch penis, im 15, is it a good size? and will it please women? Loading... JP over a year ago The best size is 4 1/2 - 5- 51/2 inches, some women dislike penis over 6 in. Reply Loading... Guest over a year ago In reply to JP on 2012-07-11 - click to read Bro deff has a penis under 6 inches Reply Loading...