Envelope No. 10 vs A7 Envelope (US)
| Envelope No. 10 | A7 Envelope (US) | |
|---|---|---|
| Millimetres | 104.775 × 241.3 | 133.35 × 184.15 |
| Inches | 4.13 × 9.5 | 5.25 × 7.25 |
| Centimetres | 10.5 × 24.1 | 13.3 × 18.4 |
| Aspect ratio | 1:2.3 | 1:1.38 |
| Area | 252.8 cm² | 245.6 cm² |
Which is bigger
Envelope No. 10, by 3% in area. A7 Envelope (US) is 28.6 mm wider than Envelope No. 10. Envelope No. 10 is 57.2 mm taller.
Printing one on the other
Neither sheet fits inside the other at full size: A7 Envelope (US) is the wider of the two while Envelope No. 10 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 |
|---|---|---|
| Envelope No. 10 artwork on A7 Envelope (US) paper | 76.3% | 53.4 × 0 mm margin |
| A7 Envelope (US) artwork on Envelope No. 10 paper | 78.6% | 0 × 96.6 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: Envelope No. 10 is 1:2.3 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 53.4 mm of unwanted margin.
Frequently asked questions
What is the difference between Envelope No. 10 and A7 Envelope (US)?
Envelope No. 10 is 104.775 × 241.3 mm and A7 Envelope (US) is 133.35 × 184.15 mm. Envelope No. 10 is the larger of the two by 3% in area.
Can I print Envelope No. 10 on A7 Envelope (US)?
Not at full size. Scale it to 76.3% and it fits inside A7 Envelope (US) with 53.4 × 0 mm to spare.
Which is bigger, Envelope No. 10 or A7 Envelope (US)?
Envelope No. 10 — 104.775 × 241.3 mm against 133.35 × 184.15 mm, which is 3% more area.
Envelope No. 10 in full · A7 Envelope (US) in full · All size comparisons · All paper sizes