Photo 8×10 vs JIS B5
| Photo 8×10 | JIS B5 | |
|---|---|---|
| Millimetres | 203.2 × 254 | 182 × 257 |
| Inches | 8 × 10 | 7.17 × 10.12 |
| Centimetres | 20.3 × 25.4 | 18.2 × 25.7 |
| Aspect ratio | 1:1.25 | 1:1.41 |
| Area | 516.1 cm² | 467.7 cm² |
Which is bigger
Photo 8×10, by 10.3% in area. Photo 8×10 is 21.2 mm wider than JIS B5. JIS B5 is 3 mm taller.
Printing one on the other
Neither sheet fits inside the other at full size: Photo 8×10 is the wider of the two while JIS B5 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 |
|---|---|---|
| Photo 8×10 artwork on JIS B5 paper | 89.6% | 0 × 29.5 mm margin |
| JIS B5 artwork on Photo 8×10 paper | 98.8% | 23.3 × 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: Photo 8×10 is 1:1.25 and JIS B5 is 1:1.41. 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 29.5 mm of unwanted margin.
Frequently asked questions
What is the difference between Photo 8×10 and JIS B5?
Photo 8×10 is 203.2 × 254 mm and JIS B5 is 182 × 257 mm. Photo 8×10 is the larger of the two by 10.3% in area.
Can I print Photo 8×10 on JIS B5?
Not at full size. Scale it to 89.6% and it fits inside JIS B5 with 0 × 29.5 mm to spare.
Which is bigger, Photo 8×10 or JIS B5?
Photo 8×10 — 203.2 × 254 mm against 182 × 257 mm, which is 10.3% more area.
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Photo 8×10 in full · JIS B5 in full · All size comparisons · All paper sizes