Standard printer paper sizes in the United States include 8.5 by 11 inches, 8.5 by 14 inches, and 11 by 17 inches. The default size for all printers is 8.5 by 11 inches, but most commercial printers are also capable of handling larger sizes.
The different measurements typically have unique monikers based on their usage. Paper of 8.5 x 11 inches is commonly referred to as letter size. Legal size paper is 8.5 x 14 inches and is the common paper used for legal documents. Paper of 11 x17 inches is referred to as ledger or tabloid, depending on the orientation of the paper.