A4 Paper Size

Kertas	Paper Size Dimensions						PPI
Ukuran	mm	mm	cm	cm	inch	inch	pixels	pixels
A4	210	297	21	29,7	8,27	11,69	793,70	1122,51

A4 paper size is a widely used international standard defined by the ISO 216 standard for paper sizes. Here are the key details about A4 paper size:

• Dimensions: A4 paper measures 210 millimeters (mm) wide and 297 mm long. In inches, it is approximately 8.27 inches wide and 11.69 inches long.
• Aspect Ratio: The aspect ratio of A4 paper is 1:√2 (square root of 2), which means that when folded in half parallel to its shorter sides, the resulting halves also maintain the same aspect ratio.
• Usage: A4 paper size is the standard size for printing documents, letters, reports, forms, and other everyday paper-based activities. It is also widely used for printing books, magazines, and marketing materials.
• ISO Standard: A4 is part of the ISO 216 standard, which also includes other paper sizes such as A0 (largest), A1, A2, A3, and so on. Each size in the series is half the size of the previous one when folded parallel to its shorter sides.

A4 paper size is favored for its versatility and practicality, fitting well into standard printers and copiers, and being easily handled for both printing and writing purposes. It is the most commonly used paper size in many countries around the world for both home and office use.