The following tables show the range of sizes (in millimetres) that can be obtained by the progressive subdivision of the basic sizes A0 and B0. These are finished trimmed sizes

| Size |
Millimetres
|
Common Uses |
4A0
|
1682 x 2378
|
|
2A0
|
1189 x 1682 |
|
A0
|
841 x 1189 |
|
A1
|
594 x 841 |
|
A2
|
420 x 594 |
Newspaper Page |
A3
|
297 x 420 |
Folded to 4 x A4 Pages (suitable for leaflets), small posters |
A4
|
210 x 297 |
Letterhead, books, magazines, newsletters, forms |
A5
|
148 x 210 |
Booklets, Brochures, Memo Pads |
A6
|
105 x 148 |
Postcards, Invitations, Index Cards |
A7
|
74 x 105 |
With Compliments Slips |
A8
|
52 x 74 |
Business Cards, Labels |
A9
|
37 x 52
|
Name Tags, Price Tags |
A10
|
26 x 37 |
Postage Stamp Size |
B0
|
1000 x 1414 |
|
B1
|
707 x 1000 |
|
B2
|
500 x 707 |
Posters, Maps, Wall Charts
|
B3
|
353 x 500 |
|
B4
|
250 x 353 |
|
B5
|
176 x 250 |
|
C0
|
917 x 1297 |
|
C1
|
648 x 917 |
|
| C2 |
458 x 648 |
|
C3
|
324 x 458 |
Envelopes, Folders |
C4
|
229 x 324 |
|
C5
|
162 x 229 |
|
C6
|
114 x 162 |
|
C7
|
81 x 114 |
|
| C8 |
57 x 81 |
|
|