A4 vs Letter Size: Key Differences and When Each Is Used
https://thea4vslettersizesite.inkharbory.com/posts/a4-vs-letter-size-key-differences-and-when-each-is-used
A4 and Letter size paper are used in different regions—A4 in most of the world, Letter in North America—so knowing the difference matters for printing documents. A4 is taller and narrower, at 210 x 297 mm, while Letter is slightly wider and shorter, at 8.5 x 11 inches. Using the wrong size can cut off text or leave unsightly margins, especially with PDFs or official forms. It's best to set the correct page size before printing or designing, and many printers let you choose a scaling option to f…