The international paper standard is the ISO 216 standard. The ISO 216 standard is based on the German DIN 476 standard for paper sizes. More background information and history about the …

A3 size in all values. A3 paper size in cm, inches, pixels and mm. Detailed dimensions for the international a3 paper size.

American paper sizes differ from standard paper sizes. The ISO 216 standard sizes are used internationally. A different standard is used in the United States, Canada and the Philippines.

The ISO 216 is used worldwide, except in North America and parts of Latin America. The standard includes the “A”, “B” and “C” series of paper sizes.

A3 paper size international A3 size is an international paper size from the DIN quotation (DIN 476 from 1922). This standard has been changed to the ISO 216 standard. In parts of Germany people still speak of DIN A3. An A3 is part of the series A0, A1, A2, A3, A3, A5, A6, A7 and A8.

We often come across the A3 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 A3 size. Click on the question for the answer.

Paper sizes in millimetres. The dimensions of the calculator are the ISO 216 standards. The image below shows how the different A-paper sizes relate to each other. The A3 size is half the size of an A2 or two times an A4.

The most common A3 paper size in feet is 0.974 x 1.377 ft. Feet is a unit of length that is still widely used in Anglo-Saxon countries. The unit symbol is ft or an ‘ (accent sign).

The A3 paper size in cm is 29,7 x 42 cm. The A series starts with A0. An A0 is one square meter. An A1 is half of an A0. The area of an A1 is, therefore, half a square meter. The length to width ratio of an A0 and all sizes in the A series are √2:1. The area of an A3 is ½ × ½ × ½ = 1 / 8 m².

A3 size in millimeters. A3 format in mm is 297 x 420 millimeters. Use our calculator for all formats and units.