A3 size: A3 paper size and other dimensions

A3 paper size and other dimensions in the A series. A series paper sizes - A0, A1, A2, A3 , A4, A5, A6, A7, A8, A9, A10, A11, A12, A13, 2A0, 4A0, A0+, A1+, A3 + A3 Paper Size , Dimensions and Format from the A Series which can be found in mm, cm, m, inches, picas, pixels and points. Find the dimensions and formats of A3 paper and other paper sizes in different systems, such as mm, US, envelope and international. Compare A3 with other sizes and see examples of A3 paper products. A comprehensive resource listing the international standards for paper sizes, dimensions and formats.