A4sivu

A4sivu is a term that refers to a single page of A4 paper. A4 is a standard paper size, defined by the International Organization for Standardization (ISO) in the ISO 216 standard. Its dimensions are 210 millimeters by 297 millimeters (8.27 inches by 11.7 inches). The term "sivu" is Finnish for "page" or "side". Therefore, "A4sivu" directly translates to "A4 page".

This paper size is widely used for documents, printing, and stationery across most of the world, with the notable exceptions of North America and parts of Latin America, which primarily use the US Letter size. The A4 format is part of the A series of paper sizes, where each subsequent size is half the area of the previous one. This consistent aspect ratio and a well-defined size make A4 ideal for many practical applications, from printing reports and letters to using photocopiers and printers. The concept of an "A4sivu" simply denotes one such page, used in contexts where the specific A4 dimensions are relevant.