B5 vs A9 Envelope (US)
| B5 | A9 Envelope (US) | |
|---|---|---|
| Millimetres | 176 × 250 | 146.05 × 222.25 |
| Inches | 6.93 × 9.84 | 5.75 × 8.75 |
| Centimetres | 17.6 × 25 | 14.6 × 22.2 |
| Aspect ratio | 1:1.42 | 1:1.52 |
| Area | 440 cm² | 324.6 cm² |
Which is bigger
B5, by 35.6% in area. B5 is 29.9 mm wider than A9 Envelope (US). B5 is 27.8 mm taller.
Printing one on the other
A A9 Envelope (US) page fits inside B5 whole — print it at 100% and you get a 15 mm border down each side and 13.9 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| B5 artwork on A9 Envelope (US) paper | 83% | 0 × 14.8 mm margin |
| A9 Envelope (US) artwork on B5 paper | 112.5% | 11.7 × 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: B5 is 1:1.42 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 14.8 mm of unwanted margin.
Frequently asked questions
What is the difference between B5 and A9 Envelope (US)?
B5 is 176 × 250 mm and A9 Envelope (US) is 146.05 × 222.25 mm. B5 is the larger of the two by 35.6% in area.
Can I print B5 on A9 Envelope (US)?
Not at full size. Scale it to 83% and it fits inside A9 Envelope (US) with 0 × 14.8 mm to spare.
Which is bigger, B5 or A9 Envelope (US)?
B5 — 176 × 250 mm against 146.05 × 222.25 mm, which is 35.6% more area.
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B5 in full · A9 Envelope (US) in full · All size comparisons · All paper sizes