DL envelope size
110 × 220 mm · 4.33 × 8.66 in · 311.8 × 623.6 pt
Where it comes from
ISO 269's DL: 110 × 220 mm — exactly an A4 sheet folded into thirds (210 mm ÷ … the folded pack is 99 × 210 mm, giving comfortable clearance).
The everyday business envelope across most of the world.
Source: Markus Kuhn — International standard paper sizes (CC BY 4.0)
Pixels at print resolutions
| DPI | Pixels (portrait) | Typical use |
|---|---|---|
| 72 | 312 × 624 | legacy screens |
| 96 | 416 × 831 | CSS reference |
| 150 | 650 × 1299 | everyday print |
| 300 | 1299 × 2598 | quality print |
| 600 | 2598 × 5197 | fine art / line work |
The family
- Fold DL envelope in half and you get C4 envelope — two of those side by side rebuild this sheet.
- Area: 0.0242 m².