A5 148 × 210mm (5.8 x 8.3 inches)

A4 210 × 297mm (8.3 x 11.7 inches)

A3 297 x 420mm (11.7 x 16.5 inches)

A2 420 x 594mm (16.5 x 23.4 inches)

A1 594 x 841mm (23.4 x 33.1 inches)

A0 841 x 1189mm (33.1 x 46.8inches)