Learn the dimensions of A3+ size in centimeters, millimeters, inches, meters, points, pixels and other units. Compare A3+ with other A series paper sizes from A0 to A13. 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 paper sizes and see examples of A3 documents. A3 Paper Name: A3 Standard: ISO Dimensions: 297mm x 420mm or 11.7" x 16.5"
