| Size | mm (W x H) | inches (W x H) | Use |
|---|
| A0 | 841 x 1189 | 33.1 x 46.8 | Technical drawings |
| A1 | 594 x 841 | 23.4 x 33.1 | Posters, flip charts |
| A2 | 420 x 594 | 16.5 x 23.4 | Posters, diagrams |
| A3 | 297 x 420 | 11.7 x 16.5 | Tabloid, large drawings |
| A4 | 210 x 297 | 8.3 x 11.7 | Standard documents |
| A5 | 148 x 210 | 5.8 x 8.3 | Notebooks, flyers |
| A6 | 105 x 148 | 4.1 x 5.8 | Postcards, cards |
| A7 | 74 x 105 | 2.9 x 4.1 | Notes, labels |
| A8 | 52 x 74 | 2.0 x 2.9 | Cards, tickets |
| A9 | 37 x 52 | 1.5 x 2.0 | Tiny labels |
| A10 | 26 x 37 | 1.0 x 1.5 | Stamps |
| Size | mm (W x H) | inches (W x H) | Use |
|---|
| B0 | 1000 x 1414 | 39.4 x 55.7 | Large posters |
| B1 | 707 x 1000 | 27.8 x 39.4 | Posters |
| B2 | 500 x 707 | 19.7 x 27.8 | Posters |
| B3 | 353 x 500 | 13.9 x 19.7 | Menus, maps |
| B4 | 250 x 353 | 9.8 x 13.9 | Newspapers |
| B5 | 176 x 250 | 6.9 x 9.8 | Books, magazines |
| B6 | 125 x 176 | 4.9 x 6.9 | Pocket books |
| B7 | 88 x 125 | 3.5 x 4.9 | Passports |
| B8 | 62 x 88 | 2.4 x 3.5 | Cards |
| Size | mm (W x H) | inches (W x H) | Use |
|---|
| Letter | 216 x 279 | 8.5 x 11 | Standard US documents |
| Legal | 216 x 356 | 8.5 x 14 | Legal documents |
| Tabloid | 279 x 432 | 11 x 17 | Newspapers, posters |
| Ledger | 432 x 279 | 17 x 11 | Spreadsheets (landscape) |
| Executive | 184 x 267 | 7.25 x 10.5 | Memos |
| Half Letter | 140 x 216 | 5.5 x 8.5 | Statements, flyers |
| Junior Legal | 127 x 203 | 5 x 8 | Notepads |
| Government Letter | 203 x 267 | 8 x 10.5 | Government forms |