Paper Sizes
This is a handy resource if you keep getting confused between your A2 and your A3 paper sizes. Below is a list that shows the sizes of each and the diagram gives you a visual of how they are cut from the larger sizes.
These are finished trimmed sizes
Sizes in mm
A0 1189 x 841
A1 841 x 594
A2 594 x 420
A3 420 x 297
A4 297 x 210
A5 210 x 148
A6 148 x 105
A7 105 x 74
A8 74 X 52