Photo 5×7 vs A7 Envelope (US)
| Photo 5×7 | A7 Envelope (US) | |
|---|---|---|
| Millimetres | 127 × 177.8 | 133.35 × 184.15 |
| Inches | 5 × 7 | 5.25 × 7.25 |
| Centimetres | 12.7 × 17.8 | 13.3 × 18.4 |
| Aspect ratio | 1:1.4 | 1:1.38 |
| Area | 225.8 cm² | 245.6 cm² |
Which is bigger
A7 Envelope (US), by 8.7% in area. A7 Envelope (US) is 6.3 mm wider than Photo 5×7. A7 Envelope (US) is 6.3 mm taller.
Printing one on the other
A Photo 5×7 page fits inside A7 Envelope (US) whole — print it at 100% and you get a 3.2 mm border down each side and 3.2 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| Photo 5×7 artwork on A7 Envelope (US) paper | 103.6% | 1.8 × 0 mm margin |
| A7 Envelope (US) artwork on Photo 5×7 paper | 95.2% | 0 × 2.4 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: Photo 5×7 is 1:1.4 and A7 Envelope (US) is 1:1.38. 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 1.8 mm of unwanted margin.
Frequently asked questions
What is the difference between Photo 5×7 and A7 Envelope (US)?
Photo 5×7 is 127 × 177.8 mm and A7 Envelope (US) is 133.35 × 184.15 mm. A7 Envelope (US) is the larger of the two by 8.7% in area.
Can I print Photo 5×7 on A7 Envelope (US)?
Yes, at 100% — Photo 5×7 is smaller on both edges, so it lands inside A7 Envelope (US) with a border all round.
Which is bigger, Photo 5×7 or A7 Envelope (US)?
A7 Envelope (US) — 133.35 × 184.15 mm against 127 × 177.8 mm, which is 8.7% more area.
Photo 5×7 in full · A7 Envelope (US) in full · All size comparisons · All paper sizes