Paper Sizes and Dimensions: Your Complete Guide
The ISO 216 defines the paper measurements of the “A”, “B” and “C” series of paper sizes. The most commonly used series of paper sizes is the A-series, with the international letterhead size A4 being the most widely used within that series.
There are many common questions surrounding the A-series of paper sizes. What is bigger, A3, A4 or A5? Is A3 bigger than A5? What are the standard paper sizes? What size is A4 in cm?
We’re here to answer those questions and to clue you in on everything you need to know about international paper sizes and dimensions.