A4 is an international standard paper size with dimensions of 210 mm×297 mm, (8.27 in×11.69 in). It is part of the ISO 216 standard and is widely used globally for documents, letters, and printing, differing from the smaller North American letter size.
Key Features
- Dimensions: The exact dimensions are \(210\text{\ mm}\) by \(297\text{\ mm}\) or \(8.27\text{\ inches}\) by \(11.69\text{\ inches}\).
- International Standard: A4 is the most common size in the ISO 216 standard, used in most countries outside of North America.
- Usage: It is a versatile paper size used for a wide range of documents, including letters, reports, resumes, magazines, and flyers.
- Comparison: A4 is slightly narrower and longer than the North American Letter size (\(8.5\text{\ in}\times 11\text{\ in}\)).
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