I didn’t check real carefully to be sure all the numbers I gave are EXACTLY perfectly accurate. I may be a teensy tiny bit off on one or two. But you get the idea.
I do, in fact, get the idea. You have not offered a specific source for any of your comments.
For your benefit I include a link to the Wikipedia article on calibers. It is on the Internet, so it must be true.
http://en.wikipedia.org/wiki/Caliber
Best regards,