Mass Market vs Envelope No. 9
| Mass Market | Envelope No. 9 | |
|---|---|---|
| Millimetres | 107.95 × 174.5 | 98.425 × 225.425 |
| Inches | 4.25 × 6.87 | 3.88 × 8.88 |
| Centimetres | 10.8 × 17.5 | 9.8 × 22.5 |
| Aspect ratio | 1:1.62 | 1:2.29 |
| Area | 188.4 cm² | 221.9 cm² |
Which is bigger
Envelope No. 9, by 17.8% in area. Mass Market is 9.5 mm wider than Envelope No. 9. Envelope No. 9 is 50.9 mm taller.
Printing one on the other
Neither sheet fits inside the other at full size: Mass Market is the wider of the two while Envelope No. 9 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 Envelope No. 9 paper | 91.2% | 0 × 66.3 mm margin |
| Envelope No. 9 artwork on Mass Market paper | 77.4% | 31.8 × 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: Mass Market is 1:1.62 and Envelope No. 9 is 1:2.29. 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 66.3 mm of unwanted margin.
Frequently asked questions
What is the difference between Mass Market and Envelope No. 9?
Mass Market is 107.95 × 174.5 mm and Envelope No. 9 is 98.425 × 225.425 mm. Envelope No. 9 is the larger of the two by 17.8% in area.
Can I print Mass Market on Envelope No. 9?
Not at full size. Scale it to 91.2% and it fits inside Envelope No. 9 with 0 × 66.3 mm to spare.
Which is bigger, Mass Market or Envelope No. 9?
Envelope No. 9 — 98.425 × 225.425 mm against 107.95 × 174.5 mm, which is 17.8% more area.
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Mass Market in full · Envelope No. 9 in full · All size comparisons · All paper sizes