Poster Size guide

A4 - 210 x 297mm 8.3 x 11.7 inch

A3 - 11.7 x 16.5 inches / 297 x 420 mm

A2 - 16.5 x 23.4 inches / 420 x 594 mm

A1 - 23.4 x 33.1 inches / 594 x 841 mm