C6 vs Mass Market
| C6 | Mass Market | |
|---|---|---|
| Millimetres | 114 × 162 | 107.95 × 174.5 |
| Inches | 4.49 × 6.38 | 4.25 × 6.87 |
| Centimetres | 11.4 × 16.2 | 10.8 × 17.5 |
| Aspect ratio | 1:1.42 | 1:1.62 |
| Area | 184.7 cm² | 188.4 cm² |
Which is bigger
Mass Market, by 2% in area. C6 is 6 mm wider than Mass Market. Mass Market is 12.5 mm taller.
Printing one on the other
Neither sheet fits inside the other at full size: C6 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 |
|---|---|---|
| C6 artwork on Mass Market paper | 94.7% | 0 × 21.1 mm margin |
| Mass Market artwork on C6 paper | 92.8% | 13.8 × 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: C6 is 1:1.42 and Mass Market is 1:1.62. 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 21.1 mm of unwanted margin.
Frequently asked questions
What is the difference between C6 and Mass Market?
C6 is 114 × 162 mm and Mass Market is 107.95 × 174.5 mm. Mass Market is the larger of the two by 2% in area.
Can I print C6 on Mass Market?
Not at full size. Scale it to 94.7% and it fits inside Mass Market with 0 × 21.1 mm to spare.
Which is bigger, C6 or Mass Market?
Mass Market — 107.95 × 174.5 mm against 114 × 162 mm, which is 2% more area.
C6 in full · Mass Market in full · All size comparisons · All paper sizes