A4 vs US Letter for printable PDFs

Choose the right paper size for families, schools, and international downloads.

US Letter is common in the United States and Canada, while A4 is common in many other countries. Offering both sizes reduces printing frustration.

Use this guide with the free tools

PrintableTools Lab focuses on one-page PDFs that can be generated quickly, tested with real users, and improved based on downloads and Search Console data.