A1 vs A2

Compare:
A
A1

594 × 841 mm

With:
A
A2

420 × 594 mm

Compare A1 and A2

Sheets shown to the same proportional scale
Width of A1 vs A2
+174 mm
Height of A1 vs A2
+247 mm
Area of A1 vs A2
200.2%

Scale A1 to fit A2

70.6%

Reduced to 70.6%, A1 fits inside A2 without cropping. It fills A2 almost exactly, as both sheets share the same proportions.

Scale to match width
70.7%
Scale to match height
70.6%

What is the difference between A1 and A2?

The primary difference between A1 and A2 is that A1 is taller and wider (594 × 841 mm) compared to A2 (420 × 594 mm).

In terms of surface area, A1 is 100.2% larger than A2.

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.

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.

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