Definition: North American sheet sizes are common sizes of sheets of paper used in the graphic arts and printing industry in the United States and Canada. Page sizes are measured in inches. The most common sizes are multiples of the standard letterhead size. 8.5x11, 11x17, 17x22, 19x25, 23x35, 25x38 are typical sheets. Outside North America, ISO sheet sizes are used.
Also Known As: letter size for 8.5x11; tabloid for 11x17; broadsheet for 17x22
