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| ขนาด | นิ้ว | เซนติเมตร |
| A0 | 33.11 x 46.81 | 84.1 x 118.9 |
| A1 | 23.39 x 33.11 | 59.4 x 84.1 |
| A2 | 16.54 x 23.39 | 42.0 x 59.4 |
| A3 | 11.69 x 16.54 | 29.7 x 42.0 |
| A4 | 8.27 x 11.69 | 21.0 x 29.7 |
| A5 | 5.83 x 8.27 | 14.8 x 21.0 |
| A6 | 4.13 x 5.83 | 10.5 x 14.8 |
| A7 | 2.91 x 4.13 | 7.4 x 10.5 |
| A8 | 2.05 x 2.91 | 5.2 x 7.4 |
| A9 | 1.46 x 2.05 | 3.7 x 5.2 |
| A10 | 1.02 x 1.46 | 2.6 x 3.7 |
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