A series sizes

Here are common working sizes that is very popular.

AO size = 841 x 1189mm

A1 size = 594 x 841mm

A2 size = 420 x 594mm

A3 size = 297x 420mm

Super A3 size = 305 x 457mm (12x18")

A4 size = 210 x 297mm

A5 size = 148 x 210mm

A6 size = 105 x 148mm