A7 vs Index Card 3×5
| A7 | Index Card 3×5 | |
|---|---|---|
| Millimetres | 74 × 105 | 76.2 × 127 |
| Inches | 2.91 × 4.13 | 3 × 5 |
| Centimetres | 7.4 × 10.5 | 7.6 × 12.7 |
| Aspect ratio | 1:1.42 | 1:1.67 |
| Area | 77.7 cm² | 96.8 cm² |
Which is bigger
Index Card 3×5, by 24.5% in area. Index Card 3×5 is 2.2 mm wider than A7. Index Card 3×5 is 22 mm taller.
Printing one on the other
A A7 page fits inside Index Card 3×5 whole — print it at 100% and you get a 1.1 mm border down each side and 11 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| A7 artwork on Index Card 3×5 paper | 103% | 0 × 18.9 mm margin |
| Index Card 3×5 artwork on A7 paper | 82.7% | 11 × 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: A7 is 1:1.42 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 18.9 mm of unwanted margin.
Frequently asked questions
What is the difference between A7 and Index Card 3×5?
A7 is 74 × 105 mm and Index Card 3×5 is 76.2 × 127 mm. Index Card 3×5 is the larger of the two by 24.5% in area.
Can I print A7 on Index Card 3×5?
Yes, at 100% — A7 is smaller on both edges, so it lands inside Index Card 3×5 with a border all round.
Which is bigger, A7 or Index Card 3×5?
Index Card 3×5 — 76.2 × 127 mm against 74 × 105 mm, which is 24.5% more area.
A7 in full · Index Card 3×5 in full · All size comparisons · All paper sizes