Choosing the Right Paper Size for US Documents and Print Projects
https://juliet-wiki.win/index.php/Choosing_the_Right_Paper_Size_for_US_Documents_and_Print_Projects
Choosing the right paper size for US documents and print projects can save you time and money—standard letter size (8.5 x 11 inches) works for most office needs, but legal size (8.5 x 14) is better for contracts, while tabloid (11 x 17) suits brochures and posters. Always check your printer's supported sizes and the intended use to avoid costly errors.