Short answer: US/Canada 3.5 × 2 in = 1050 × 600 px at 300 DPI; Europe 85 × 55 mm = 1004 × 650 px.
| Region | Size | 300 DPI | With 3 mm bleed |
|---|---|---|---|
| US / Canada | 3.5 × 2 in (88.9 × 50.8 mm) | 1050 × 600 | 1122 × 672 |
| Europe (ISO 7810-like) | 85 × 55 mm | 1004 × 650 | 1075 × 720 |
| Credit-card size | 85.6 × 54 mm | 1011 × 638 | 1082 × 709 |
| Japan | 91 × 55 mm | 1075 × 650 | 1146 × 720 |
Bleed and safe margin
Bleed is extra background (usually 3 mm per side) that is trimmed off after printing. The safe margin is the space inside the edge (3 mm) where you should not put text. Read print-ready files explained.