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Paper size

For sizing as the ingredient used in papermaking, see Sizing § Papermaking.

Paper sizes A0 to A8, life-size installation The Invasion of the Square Roots at the CosmoCaixa Barcelona science museum
A size chart illustrating the ISO A series and a comparison with American letter and legal formats
Comparison of some paper and photographic paper sizes close to the A4 size

Paper size standards govern the size of sheets of paper used as writing paper, stationery, cards, and for some printed documents.

The ISO 216 standard, which includes the commonly used A4 size, is the international standard for paper size. It is used across the world except in North America and parts of Central and South America, where North American paper sizes such as "Letter" and "Legal" are used.[1] The international standard for envelopes is the C series of ISO 269.

  1. ^ Cite error: The named reference CLDR was invoked but never defined (see the help page).

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قياس الورق Arabic Kağız formatı AZ Размери на хартията Bulgarian Mida de paper Catalan Formát papíru Czech Størrelser (papir) Danish Papierformat German Μέγεθος χαρτιού Greek Formato EO Formato de papel Spanish

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