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ISO 216 is an international standard for paper sizes, used around the world except in North America, the Philippines and parts of Latin America. The standard defines the "A", "B" and "C" series of paper sizes, which includes A4, the most commonly available paper size worldwide. Two supplementary standards, ISO 217 and ISO 269, define related paper sizes.
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paper iso series sizes size ratio a4 standard formats half used area also 216 aspect sqrt sheet a0 defined two
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| International standard paper sizes | related to External links | International | 0.60 | section |
| International standard paper sizes | related to External links | ISO | 0.60 | section |
| International standard paper sizes | related to External links | Wilhelm Ostwald | 0.60 | section |
| International standard paper sizes | related to External links | Lichtenberg's | 0.60 | section |
| International standard paper sizes | related to External links | Porstmann | 0.60 | section |
| International standard paper sizes | related to External links | DIN-Series | 0.60 | section |
| International standard paper sizes | related to External links | German | 0.60 | section |
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