Junior Legal vs Mass Market
| Junior Legal | Mass Market | |
|---|---|---|
| Millimetres | 127 × 203.2 | 107.95 × 174.5 |
| Inches | 5 × 8 | 4.25 × 6.87 |
| Centimetres | 12.7 × 20.3 | 10.8 × 17.5 |
| Aspect ratio | 1:1.6 | 1:1.62 |
| Area | 258.1 cm² | 188.4 cm² |
Which is bigger
Junior Legal, by 37% in area. Junior Legal is 19 mm wider than Mass Market. Junior Legal is 28.7 mm taller.
Printing one on the other
A Mass Market page fits inside Junior Legal whole — print it at 100% and you get a 9.5 mm border down each side and 14.3 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| Junior Legal artwork on Mass Market paper | 85% | 0 × 1.8 mm margin |
| Mass Market artwork on Junior Legal paper | 116.4% | 1.3 × 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: Junior Legal is 1:1.6 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 1.8 mm of unwanted margin.
Frequently asked questions
What is the difference between Junior Legal and Mass Market?
Junior Legal is 127 × 203.2 mm and Mass Market is 107.95 × 174.5 mm. Junior Legal is the larger of the two by 37% in area.
Can I print Junior Legal on Mass Market?
Not at full size. Scale it to 85% and it fits inside Mass Market with 0 × 1.8 mm to spare.
Which is bigger, Junior Legal or Mass Market?
Junior Legal — 127 × 203.2 mm against 107.95 × 174.5 mm, which is 37% more area.
Junior Legal in full · Mass Market in full · All size comparisons · All paper sizes