INTERNATIONAL ‘A’ Paper Sizes
A0: 1189 x 841 mm - 46.8 x 33.1 in
A1: 841 x 594 mm - 33.1 x 23.4 in
A2: 594 x 420 mm - 23.4 x 16.5 in
A3: 420 x 297 mm - 16.5 x 11.7 in
A4: 297 x 210 mm - 11.7 x 8.3 in
A5: 210 x 148 mm - 8.3 x 5.8 in
A6: 148 x 105 mm - 5.8 x 4.1 in
Letter: 216 x 279 mm - 8.5 x 11 in