A4 paper size international A4 size is an international paper size originating from the DIN standard (DIN 476 from 1922). This standard has been updated to the ISO 216 standard. In some parts of Germany, people still refer to it as DIN A4 . A4 is part of a series that includes A0, A1, A2, A3, A4 , A5, A6, A7, and A8. A4 paper size is versatile and multifunctional - it's used extensively in professional settings for documents such as letters, forms, reports and more. It's also popular in academic environments for writing papers or printing lecture notes. Interestingly enough, the weight of an A4 sheet can vary depending on its purpose. For instance, standard office copy paper typically weighs around 80 grams per square meter (gsm), while premium quality papers used for brochures or presentations may weigh ... A4 size is one of the paper sizes in the ISO A series, which was defined by ISO216 and first put forward by German scientist Georg Christoph Lichtenberg as DIN476 standard of Germany and later adopted by ISO. Under the same standard, there is also B size series, which follows the same rule as A series: ratio of length to width of a piece of paper should be √2:1. A4 is the most well-known and widely used paper size in the A-series format. It is the standard size for most printed documents ... The channel is called A4 — why is that? Go check it out, watch a couple of videos, and you’ll understand what it’s all about! On this channel you’ll meet a guy who always has something ...
