C7 vs Index Card 3×5
| C7 | Index Card 3×5 | |
|---|---|---|
| Millimetres | 81 × 114 | 76.2 × 127 |
| Inches | 3.19 × 4.49 | 3 × 5 |
| Centimetres | 8.1 × 11.4 | 7.6 × 12.7 |
| Aspect ratio | 1:1.41 | 1:1.67 |
| Area | 92.3 cm² | 96.8 cm² |
Which is bigger
Index Card 3×5, by 4.8% in area. C7 is 4.8 mm wider than Index Card 3×5. Index Card 3×5 is 13 mm taller.
Printing one on the other
Neither sheet fits inside the other at full size: C7 is the wider of the two while Index Card 3×5 is the taller, so each overruns the other on one edge. Whichever way you go, something has to scale or crop.
| You want | Set the print scale to | Leaves |
|---|---|---|
| C7 artwork on Index Card 3×5 paper | 94.1% | 0 × 19.8 mm margin |
| Index Card 3×5 artwork on C7 paper | 89.8% | 12.6 × 0 mm margin |
These are the numbers for the "custom scale" box in a print dialog. "Fit to page" computes the same thing, but knowing the figure tells you in advance whether the result will look deliberate or accidental.
Why the shapes matter
The proportions differ: C7 is 1:1.41 and Index Card 3×5 is 1:1.67. That difference is why a layout moved between them never quite lines up — scale it to fit one edge and the other is left with 19.8 mm of unwanted margin.
Frequently asked questions
What is the difference between C7 and Index Card 3×5?
C7 is 81 × 114 mm and Index Card 3×5 is 76.2 × 127 mm. Index Card 3×5 is the larger of the two by 4.8% in area.
Can I print C7 on Index Card 3×5?
Not at full size. Scale it to 94.1% and it fits inside Index Card 3×5 with 0 × 19.8 mm to spare.
Which is bigger, C7 or Index Card 3×5?
Index Card 3×5 — 76.2 × 127 mm against 81 × 114 mm, which is 4.8% more area.
C7 in full · Index Card 3×5 in full · All size comparisons · All paper sizes