We often come across the A4 size in printed matter, paper sizes and documents. Internationally, the ISO 216 standard is most commonly used. This is not the standard everywhere. On this page, you will find a number of questions regarding the A4 size. Click on the question for the answer.

In North America and parts of Central and South America other standards such as “Letter” and “Legal” are used. This raises questions about paper sizes in inches and other units. Other questions concern print paper and the A4 size compared to other A series.

List of questions about A4 paper size.

Below is an overview of the most common questions A4 size.