A-series paper formats size, A0 A1 A2 A3 A4 A5 A6 A7 with labels and dimensions in milimeters. International standard ISO paper size proportions the actual real millimeter size Stock Vector Image
Standard paper sizes ( A ) Series A0, A1, A2, A3, A4, A5, A6, A7, A8, A9, A10 sizes mm and inches . - YouTube
Paper size - Wikipedia
A Paper Sizes | A0, A1, A2, A3, A4, A5, A6, A7, A8, A9
A and B paper sizes in mm and inches - High Profile Ltd