US Trade 6×9 vs A9 Envelope (US)
| US Trade 6×9 | A9 Envelope (US) | |
|---|---|---|
| Millimetres | 152.4 × 228.6 | 146.05 × 222.25 |
| Inches | 6 × 9 | 5.75 × 8.75 |
| Centimetres | 15.2 × 22.9 | 14.6 × 22.2 |
| Aspect ratio | 1:1.5 | 1:1.52 |
| Area | 348.4 cm² | 324.6 cm² |
Which is bigger
US Trade 6×9, by 7.3% in area. US Trade 6×9 is 6.3 mm wider than A9 Envelope (US). US Trade 6×9 is 6.3 mm taller.
Printing one on the other
A A9 Envelope (US) page fits inside US Trade 6×9 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 |
|---|---|---|
| US Trade 6×9 artwork on A9 Envelope (US) paper | 95.8% | 0 × 3.2 mm margin |
| A9 Envelope (US) artwork on US Trade 6×9 paper | 102.9% | 2.2 × 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: US Trade 6×9 is 1:1.5 and A9 Envelope (US) is 1:1.52. 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 3.2 mm of unwanted margin.
Frequently asked questions
What is the difference between US Trade 6×9 and A9 Envelope (US)?
US Trade 6×9 is 152.4 × 228.6 mm and A9 Envelope (US) is 146.05 × 222.25 mm. US Trade 6×9 is the larger of the two by 7.3% in area.
Can I print US Trade 6×9 on A9 Envelope (US)?
Not at full size. Scale it to 95.8% and it fits inside A9 Envelope (US) with 0 × 3.2 mm to spare.
Which is bigger, US Trade 6×9 or A9 Envelope (US)?
US Trade 6×9 — 152.4 × 228.6 mm against 146.05 × 222.25 mm, which is 7.3% more area.
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US Trade 6×9 in full · A9 Envelope (US) in full · All size comparisons · All paper sizes