https://en.wikipedia.org/wiki/Paper_size

Many paper size standards conventions have existed at different times and in different .... Even today, the paper sizes are called "DIN A4" (IPA: [diːn. ... the area of a C4 sheet is the geometric mean of the areas of an A4 sheet and a B4 sheet.

http://www.businessdictionary.com/definition/A4-size-paper.html

Definition of A4 size paper: The standard size of typing paper adopted by the International Standards Organization. It measures 210 mm wide and 297 mm longl ...

https://www.pcmag.com/encyclopedia/term/37308/a4-paper

Most printers default to scaling incoming documents between A4 and A paper sizes so they can be printed on the prevailing paper stock. If "paper substitution" is ...

https://www.prepressure.com/library/paper-size/din-a4

A4 measures 210 × 297 millimeters or 8.27 × 11.69 inches. In PostScript, its dimensions are rounded off to 595 × 842 points. Folded twice, an A4 sheet fits in a ...

https://www.papersizes.org/

An explanation of the ISO 216 paper size format standard, including definition of A series paper sizes (A3, A4, A5 etc)

https://www.papersizes.org/a-paper-sizes.htm

The dimensions of the A series paper sizes, as defined by the ISO 216 standard, are given in the table below the diagram in both millimetres and inches (cm ...

https://uk.onlinelabels.com/articles/what-s-the-difference-between-a4-and-us-letter-paper-sheets.htm

A4 paper size sheets are part of the ISO 216 system that has been internationally adopted. The most frequently used size in the UK is the A4 format. This size is ...

https://www.cl.cam.ac.uk/~mgk25/iso-paper.html

Oct 29, 1996 ... Explains standard paper sizes like ISO A4 that are today widely used all ... For instance, B1 is the geometric mean between A1 and A0, that ...

https://www.stuprint.com/news/online-printing-explained-paper-sizes

Nov 22, 2011 ... A series paper sizes are the most commonly used in printing: A0, A1, A2, ... This means that no matter where you are in the world, a piece of A4 ...

https://www.belightsoft.com/products/resources/paper-sizes-and-formats-explained

But there exist a number of paper sizes that are relevant to our everyday lives, and knowing ... North American Sizes; Printing A4 Documents on Letter and Vice Versa ... and are based on the geometric mean of two consecutive A series sheets.