A1 Envelope (US) vs A2 Envelope (US)
| A1 Envelope (US) | A2 Envelope (US) | |
|---|---|---|
| Millimetres | 92.075 × 130.175 | 111.125 × 146.05 |
| Inches | 3.63 × 5.13 | 4.38 × 5.75 |
| Centimetres | 9.2 × 13 | 11.1 × 14.6 |
| Aspect ratio | 1:1.41 | 1:1.31 |
| Area | 119.9 cm² | 162.3 cm² |
Which is bigger
A2 Envelope (US), by 35.4% in area. A2 Envelope (US) is 19 mm wider than A1 Envelope (US). A2 Envelope (US) is 15.9 mm taller.
Printing one on the other
A A1 Envelope (US) page fits inside A2 Envelope (US) whole — print it at 100% and you get a 9.5 mm border down each side and 7.9 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| A1 Envelope (US) artwork on A2 Envelope (US) paper | 112.2% | 7.8 × 0 mm margin |
| A2 Envelope (US) artwork on A1 Envelope (US) paper | 82.9% | 0 × 9.2 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: A1 Envelope (US) is 1:1.41 and A2 Envelope (US) is 1:1.31. 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 7.8 mm of unwanted margin.
Frequently asked questions
What is the difference between A1 Envelope (US) and A2 Envelope (US)?
A1 Envelope (US) is 92.075 × 130.175 mm and A2 Envelope (US) is 111.125 × 146.05 mm. A2 Envelope (US) is the larger of the two by 35.4% in area.
Can I print A1 Envelope (US) on A2 Envelope (US)?
Yes, at 100% — A1 Envelope (US) is smaller on both edges, so it lands inside A2 Envelope (US) with a border all round.
Which is bigger, A1 Envelope (US) or A2 Envelope (US)?
A2 Envelope (US) — 111.125 × 146.05 mm against 92.075 × 130.175 mm, which is 35.4% more area.
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A1 Envelope (US) in full · A2 Envelope (US) in full · All size comparisons · All paper sizes