A3 Size is a standard dimensions that usually used for a paper or other material such as tracing paper, Frame, Photo, Printing purpose. A3 included in A Series based on ISO as an international standard. The size can be determined in unit of measurement in mm (millimeter) and can be converted into other units as well such as cm (centimeter) or inch (inches).

The dimensions of A Series Sizes according to ISO 216 standards can be seen in the image in millimeters. To get a value in cm (centimeter), you can convert the value of mm to cm by dividing by 10. You can see the image illustration of A3 Paper Size for reference and more detailed below.

A3 Size
A3297 x 42029.7 x 42.011.69 x 16.54

The paper size in A Series and so on are defined by dividing 2 or half the size of the previous paper in a larger dimension. The sizes of A Series Paper shows a visual representation of how size relates to each other, for example A4 is half the size of A3, and A1 is half the size of A0 paper.

A3 Size in mm, cm, inch:

  • A3 Paper Size in mm is 297 x 420 millimeter.
  • A3 Paper Size in cm is 29.7 x 42.0 centimeter.
  • A3 Paper Size in inch is 11.69 x 16.54 inches.

The A Series Paper Sizes being a standard that is often used according to ISO and it is widely applicable internationally, including A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10. There are many other paper size standards conventions have existed at different times and in different countries worldwide. It is affect or usually used for writing paper, write tools, card, several printing documents, and the size of a paper that related to the envelope.

The size of the ISO standard of A series paper is now commonly used throughout the world. A4 paper size has become the standard size of business letters in English-speaking countries such as Australia, New Zealand and the United Kingdom. In Europe A paper size was adopted as an official standard in the mid 20th century and from there it spread throughout the world.

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