There are two types of paper sizes currently used: A-size and B-size.
A size is a global standard but B size is a Japanese standard, so it is used only in
Japan.
A0 | 841 x 1189 | B0 | 1030 x 1456 |
A1 | 594 x 841 | B1 | 728 x 1030 |
A2 | 420 x 594 | B2 | 515 x 728 |
A3 | 297 x 420 | B3 | 364 x 515 |
A4 | 210 x 297 | B4 | 257 x 364 |
A5 | 148 x 210 | B5 | 182 x 257 |
A6 | 105 x 148 | B6 | 128 x 182 |