A guide to the many envelope sizes that you may encounter in your daily business activities.
| Type | mm | Suitable For |
|
DL |
110 × 220 |
1/3 A4 |
|
C7/C6 |
81 x 162 |
1/3 A5 |
|
C6 |
114 × 162 |
A6 (A4 folded twice) |
|
C6/C5 |
114 × 229 |
1/3 A4 |
|
C5 |
162 × 229 |
A5 (A4 folded once) |
|
C4 |
229 × 324 |
A4 |
|
C3 |
324 × 458 |
A3 |
|
C2 |
458 × 648 |
A2 |
|
C1 |
648 × 917 |
A1 |
|
C0 |
917 × 1297 |
A0 |
|
B6 |
125 × 176 |
C6 |
|
B5 |
176 × 250 |
C5 |
|
B4 |
250 × 353 |
C4 |
|
E3 |
280 × 400 |
B4 |