Mass Market vs A6 Envelope (US)
| Mass Market | A6 Envelope (US) | |
|---|---|---|
| Millimetres | 107.95 × 174.5 | 120.65 × 165.1 |
| Inches | 4.25 × 6.87 | 4.75 × 6.5 |
| Centimetres | 10.8 × 17.5 | 12.1 × 16.5 |
| Aspect ratio | 1:1.62 | 1:1.37 |
| Area | 188.4 cm² | 199.2 cm² |
Which is bigger
A6 Envelope (US), by 5.7% in area. A6 Envelope (US) is 12.7 mm wider than Mass Market. Mass Market is 9.4 mm taller.
Printing one on the other
Neither sheet fits inside the other at full size: A6 Envelope (US) is the wider of the two while Mass Market 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 |
|---|---|---|
| Mass Market artwork on A6 Envelope (US) paper | 94.6% | 18.5 × 0 mm margin |
| A6 Envelope (US) artwork on Mass Market paper | 89.5% | 0 × 26.8 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: Mass Market is 1:1.62 and A6 Envelope (US) is 1:1.37. 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 18.5 mm of unwanted margin.
Frequently asked questions
What is the difference between Mass Market and A6 Envelope (US)?
Mass Market is 107.95 × 174.5 mm and A6 Envelope (US) is 120.65 × 165.1 mm. A6 Envelope (US) is the larger of the two by 5.7% in area.
Can I print Mass Market on A6 Envelope (US)?
Not at full size. Scale it to 94.6% and it fits inside A6 Envelope (US) with 18.5 × 0 mm to spare.
Which is bigger, Mass Market or A6 Envelope (US)?
A6 Envelope (US) — 120.65 × 165.1 mm against 107.95 × 174.5 mm, which is 5.7% more area.
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Mass Market in full · A6 Envelope (US) in full · All size comparisons · All paper sizes