Photo 5×7 vs JIS B6
| Photo 5×7 | JIS B6 | |
|---|---|---|
| Millimetres | 127 × 177.8 | 128 × 182 |
| Inches | 5 × 7 | 5.04 × 7.17 |
| Centimetres | 12.7 × 17.8 | 12.8 × 18.2 |
| Aspect ratio | 1:1.4 | 1:1.42 |
| Area | 225.8 cm² | 233 cm² |
Which is bigger
JIS B6, by 3.2% in area. JIS B6 is 1 mm wider than Photo 5×7. JIS B6 is 4.2 mm taller.
Printing one on the other
A Photo 5×7 page fits inside JIS B6 whole — print it at 100% and you get a 0.5 mm border down each side and 2.1 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| Photo 5×7 artwork on JIS B6 paper | 100.8% | 0 × 2.8 mm margin |
| JIS B6 artwork on Photo 5×7 paper | 97.7% | 2 × 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: Photo 5×7 is 1:1.4 and JIS B6 is 1:1.42. 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 2.8 mm of unwanted margin.
Frequently asked questions
What is the difference between Photo 5×7 and JIS B6?
Photo 5×7 is 127 × 177.8 mm and JIS B6 is 128 × 182 mm. JIS B6 is the larger of the two by 3.2% in area.
Can I print Photo 5×7 on JIS B6?
Yes, at 100% — Photo 5×7 is smaller on both edges, so it lands inside JIS B6 with a border all round.
Which is bigger, Photo 5×7 or JIS B6?
JIS B6 — 128 × 182 mm against 127 × 177.8 mm, which is 3.2% more area.
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Photo 5×7 in full · JIS B6 in full · All size comparisons · All paper sizes