Paper Size comparison tool
A
A2
420 x 594 mm
A
A3
297 x 420 mm
What is the difference between A2 and A3?
The primary difference between A2 and A3 is that A2 is taller and wider (420 × 594 mm) compared to A3 (297 × 420 mm).
In terms of surface area, A2 is 100.0% larger than A3.
An A2 piece of paper measures 420 × 594 mm or 16.5 × 23.4 inches. Cutting it in half will create two A3 sheets of paper. A2 is part of the A series.
An A3 piece of paper measures 297 × 420 mm or 11.7 × 16.5 inches. Cutting it in half will create two A4 sheets of paper. A3 is part of the A series.