A0 Size is a standard “dimensions” that usually used for a paper or other material such as tracing paper, Frame, Photo, Printing purpose. A0 included in A Series based on “ISO” as an international “standard”. The size can be determined in unit of measurements in mm (millimeter) and can be converted into other units as well such as cm (centimeter) or inch (inches).

The dimensions of The A Series Sizes according to “ISO 216” standards can be seen in the image above 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 A0 Size for reference and more detailed below.

A0 Paper Size (mm, cm, inci)

A0 Paper Size
A0841 x 118984.1 x 118.933.11 x 46.81

What is the size of A0 paper?

  • A0 Paper Size in mm is 841 x 1189 millimeter.
  • A0 Paper Size in cm is 84.1 x 118.9 centimeter.
  • A0 Paper Size in inch is 33.11 x 46.81 inches.


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 A1 is half the size of A0, and A5 is half the size of A4 paper.

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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