Paper Size comparison tool
A
A4
210 x 297 mm
A
A5
148 x 210 mm
What is the difference between A4 and A5?
The primary difference between A4 and A5 is that A4 is taller and wider (210 × 297 mm) compared to A5 (148 × 210 mm).
In terms of surface area, A4 is 100.7% larger than A5.
An A4 piece of paper measures 210 × 297 mm or 8.3 × 11.7 inches. Cutting it in half will create two A5 sheets of paper. A4 is part of the A series.
An A5 piece of paper measures 148 × 210 mm or 5.8 × 8.3 inches. Cutting it in half will create two A6 sheets of paper. A5 is part of the A series.