This and that. Dimensions of a roll of toilet paper. So what do you do if "
"The old standard for a single sheet of tissue was 4 and 1/2 by 4 and 1/2 inches, a nice square," he said. "Some tissue companies have changed the length of the sheet to 4 inches, with a width of 4 1/2 inches, no longer a square."
The standard number of sheets in a roll is 1000 for one-ply and 500 for two ply. Some brands of toilet paper have less sheets and are of a smaller size sheet (and those sheets used in the vatican are holy sheets.) The average roll weighs approximately 227 grams (.5lbs) including the cardboard tube.