There are many kinds of paper sizes being used internationally and one of the most popular would be the A-format series. This paper size system was officially used in Europe in the 19th century and has been the most common basis for determining paper size.
There are ten types of A-series paper size and this includes A0 format, which is often used for posters, A10, which is the smallest and usually used for rectangular stickers. But perhaps the most commonly used size would be A4. A4 is the standard size for sheets of paper, measuring at 210 x 297 mm and is typically the chosen paper format for most documents, forms, letters, and many more. Just click on any of the ones listed below to know more about the different kinds of A-series paper format.
A Paper Sizes
The A-series paper size is perhaps the most used sheet format across the globe with A3 and A4 being the most commonly used formats among the A-series.
This series is defined in ISO 216 by the following requirements:
1. The length, when divided by the width, should result in 1.4142.
2. The A0 size should have an area of 1 square meter.
3. Each subsequent size A(n) is defined as A(n-1) cut in half parallel to its shorter sides.
4. The standard length and width of each size are rounded to the nearest millimetre.
Find out more about the various kinds of A paper size by checking our A format page.