Guides › Card sizes › Square
Square cards measure 63.5 × 63.5 mm (2.50 × 2.50 inches). Also searched as square card size, 2.5 × 2.5 inch cards. Below: every number you need to design and print at this size, and how many fit on a page.
| Spec | Value |
|---|---|
| Millimeters (trim size) | 63.5 × 63.5 mm |
| Inches (trim size) | 2.500 × 2.500 in |
| Pixels at 300 DPI (trim) | 750 × 750 px |
| With 3 mm bleed (full art size) | 69.5 × 69.5 mm |
| With bleed, pixels at 300 DPI | 821 × 821 px |
| Aspect ratio | 1.000 : 1 (square) |
Modern designs that want a distinctive shape — square cards read differently on the table and suit radial or symmetrical layouts.
| Paper | Cards per sheet | Layout |
|---|---|---|
| A4 (210 × 297 mm) | 12 | 3 × 4, 6.35 mm margins |
| US Letter (8.5 × 11 in) | 12 | 3 × 4, 6.35 mm margins |
These are single-sided counts with standard printer margins and no gaps. Double-sided (duplex) printing uses two passes per sheet; gutter-fold layouts fit roughly half as many per side because each card's front and back share the sheet. More on double-sided printing →
Cardwright has Square (63.5 × 63.5 mm) as a built-in preset — pick it, paste your spreadsheet, and export print-ready PDFs with bleed and cut marks already set to these exact numbers. No install, no account.