There are two major standard systems for paper in use around the world: a United States standard, based on traditional paper measurements in inches, and an international standard, which is based on ...

The common letter-sized paper used in Europe and in most locations outside of North America. At 8.3 x 11.7" (210x297mm), A4 paper is slightly narrower and a little longer than "A" size 8.5 x 11" paper ...