? You may be surprised. The only times in my life I have seen other men erect are in adult films so my basis for comparison when it comes to penis size was never the best. I was very relieved when I started reading studies on penis size and learned what is truly average. Those numbers I share with you in this article. If you still do not like how you measure up learn which methods can increase your size fast. I went from 5.5 inches long and 5 inches around to over 8 inches long and exactly 6 inches around.