Here is a useful reference for A paper sizes in mm or A paper dimensions in inches. So you can easily find out A4 in cm, A3 in inches, A3+ in mm Sizes include A0, A1, A2, A3, A3+, A4, A5, A6, A7, A8, A9, A10 in centimeters, inches and millimeters. Dimensions of International 'A…