While toilet paper rolls just like penises vary in girth the average girth of a standard toilet paper roll in the united states is 55 inches.Click to see full answer. Also to know is, what is the toilet paper tube test?The toilet roll tube measures girth by looking at wiggle room – raging from loads of room, meaning less girth, through to snug, which gives you an ‘average’ measurement and finally on to ‘can’t insert without ripping the tube’, being the biggest, of course.Beside above, are all toilet paper tubes the same size? To answer your Q. The cardboard tubes are the same, but theres more paper on some making the roll larger. Measuring may not work, our older fixture will hold the standard size roll but the newer larger diameter ones won’t fit. Just so, how wide is a toilet paper roll tube in inches? wide by 4.5 in. long, consistently, but the standard has shifted, or at the very least, loosened its grip on the industry to a point where companies are now selling sheets up to a half-inch shorter on one side.Is 6 inches girth a good size?The reported preferred girth is 6 to 6.5 inches. Average is 4.9 inches, with the majority falling from 4.7 to 5.1 inches. To put that reported preferred girth in perspective, 6 inches is also the average size of a woman’s wrist.