A1, 594 x 841 mm, 23.4 x 33.1 in ; A2, 420 x 594 mm, 16.5 x 23.4 in ; A3, 297 x 420 mm, 11.7 x 16.5 in ; A4, 210 x 297 mm, 8.3 x 11.7 in.
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