Paper Size comparison tool
A
A0
841 x 1189 mm
A
A1
594 x 841 mm
What is the difference between A0 and A1?
The primary difference between A0 and A1 is that A0 is taller and wider (841 × 1189 mm) compared to A1 (594 × 841 mm).
In terms of surface area, A0 is 100.2% larger than A1.
An A0 piece of paper measures 841 × 1189 mm or 33.1 × 46.8 inches. Cutting it in half will create two A1 sheets of paper. A0 is part of the A series.
An A1 piece of paper measures 594 × 841 mm or 23.4 × 33.1 inches. Cutting it in half will create two A2 sheets of paper. A1 is part of the A series.