about 1.2 inches.
It's approximately 1.2 inches
one inch
3cm avg
7''3cm im pretty sure
3cm long
about, a diameter of 3cm
Yes it is. Are you sure you don't mean cms not inches. 3in, yes. 3cm, no. im the same age and mine isn't even that big You don't get penis' that big in boys your age, not even in adults. I know kids exagerate but hey we are not stupid. A 12-year-old would average 3-3.5 inches long and about an inch thick.
I would say one which is about 3cm/inch across
27 cm3
30mm x 40mm translates to 3cm x 4cm, which is equivalent to 1.18 inches x 1.57 inches. This size is roughly the dimensions of a standard credit card, though slightly smaller. It is often used for small photographs, labels, or business cards.
54 cm2
The area is 9 sq. cm. or 1.395 sq. inches. Do your homework yourself