My dick is 18-18,5 cm (that is 7-7,3 inches, I guess), but actually since I gained a little weight it seems a llittle smaller, because 1 or 2 cm. are hidden behind the skin....but when I measure the dick pressing the skin back, it is still above 7 inches. But maybe to others it looks more like 6,5 inches because of a little too much fat...
Actually, when I was 14 and very skinny my dick was already full adult size but it looked bigger than now....of course it was not...but it just looked bigger because I had no body fat to hide the dick!