A3 Paper Dimensions

Standard ISO A3 paper dimensions are:

  • 297mm x 420mm
  • 11.69" x 16.54"

Equivalent A3 paper dimensions in pixels at 300 DPI and 72 DPI respectively are:

  • 3508 pixels x 4961 pixels (print resolution)
  • 842 pixels x 1191 pixels (screen resolution)

A3 Paper Dimensions

Paper Dimensions

Download the Free ISO 216 Page Sizes Cheat Sheet Poster (PDF)
If you'd like to download the above poster and spread the word at the same time, we'd be very grateful!

We created this page size infographic / cheat sheet so that a designer or client could get an instant visual idea of how big (or small) a certain size is in relation to a person... and also to expand the usual measurement information to include pixel dimensions in both high (300DPI) and low (72DPI) resolution.

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