Learn about the A series paper sizes defined by the ISO 216 standard, from A0 to A13. Find out the millimetre and inch measurements of each size , and how they are related by a square root of two ratio. A3 paper is a larger format commonly used in design, printing, and various professional fields. Its dimensions offer more space compared to the standard A4 size , making it ideal for projects that require greater visual impact. But how big is A3 paper exactly, and what are its primary applications? Let's explore. A3 is a paper size that is typically used for drawings, diagrams and large tables. It is also frequently used in laser printers to output two A4 pages as a spread. Dimensions A3 measures 297 × 420 millimeters or 11.69 × 16.54 inches. In PostScript, its dimensions are rounded off to 842 × 1190 points. Part of the ISO 216 standard A3 is part of a set or range of page sizes, called the ISO A or ISO 216 standard. This international standard is based on the German DIN 476 standard from 1922 ... A comprehensive resource listing the international standards for paper sizes, dimensions and formats.
