A3 Paper Size is a paper size based on the international standard “ISO” in mm (millimeter) and can also be “converted” into “units” in cm (centimeter) or inch. You can see the A3 paper size ilustrated as shown in the “image”.

A series paper sizes is often used by ISO as standards and apply widely internationally, including A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10 and others, typically used for writing paper, stationery, cards, multiple document printing, and associated to the envelope.

“A Series papers” defined by divided by 2 or half the size of previous paper on larger “dimensions”. This paper sizes dimension according to “ISO 216” standard in millimeter. To get the “value” in cm (centimeter), can be “converted” into cm by divided by 10.

A series paper sizes Graph shows a “visual” representation of how “the measure” relate to one another, as for example, A8 is a half the size of the A7 and A3 is a half the size of the A2.

A3 paper size in mm, cm, inch:

  • A3 paper size in mm is 297 x 420 millimeters.
  • A3 paper size in cm is 29.7 x 42.0 centimeters.
  • A3 paper size in inch is 11.69 x 16.54 inches.
A3 Paper size
Paper sizemmcminch
A3297 x 42029.7 x 42.011.69 x 16.54

A series paper sizes in general is widely used throughout the world as used in “the American continent”. A4 paper size write letters to “businesses” become a standard in “English speaking” countries such as “Australia”, “New Zealand” and the “UK”. In “Europe continental”, A series paper sizes was adopted as an “official” standard in the middle of the 20th “century” and then after it spread around the world.

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