Print Layout Toolkit

Print guide

Paper Sizes Guide

Compare A-series, B-series, US paper, and photo sizes for common print projects.

A4 and Letter are not the same

A4 is 210 x 297 mm. US Letter is 8.5 x 11 inches, or about 216 x 279 mm.

They are close enough to cause confusion, but different enough to affect layout, page breaks, and print scaling.

SizeDimensionsCommon region
A4210 x 297 mmMany countries outside North America
Letter8.5 x 11 inUnited States and Canada
Legal8.5 x 14 inUS legal and office documents

Choose the paper people will actually print

If you are making a downloadable document, choose the paper size your audience expects. If you are sending a file to a print shop, use the shop's requested size.

Related tools

Frequently asked questions

Can I print A4 on Letter paper?

Usually yes, but the printer may scale or crop the page. Check the print preview before printing.

What paper size should I use for photos?

Common photo sizes include 4x6, 5x7, and 8x10 inches. Match the photo aspect ratio to avoid cropping.