Hi, I am not sure on how the inch system works and I dunno if I am big or not?My penis is 18cm hard. I am 15 is it big or small? Feel free to post ures but plz in CMs
Penis Size CM's
There isa a huge thread with sizes already, so we don't need another one. 1 inch = 2.54 cm... So yes you are bigger than average.
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