A5 vs B5
| A5 | B5 | |
|---|---|---|
| Millimetres | 148 × 210 | 176 × 250 |
| Inches | 5.83 × 8.27 | 6.93 × 9.84 |
| Centimetres | 14.8 × 21 | 17.6 × 25 |
| Aspect ratio | 1:1.42 | 1:1.42 |
| Area | 310.8 cm² | 440 cm² |
Which is bigger
B5, by 41.6% in area. B5 is 28 mm wider than A5. B5 is 40 mm taller.
Printing one on the other
A A5 page fits inside B5 whole — print it at 100% and you get a 14 mm border down each side and 20 mm top and bottom.
| You want | Set the print scale to | Leaves |
|---|---|---|
| A5 artwork on B5 paper | 118.9% | 0 × 0.3 mm margin |
| B5 artwork on A5 paper | 84% | 0.2 × 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
Both sheets have the same 1:1.42 proportions, so artwork scales between them without any cropping or extra margin — only the size changes.
Frequently asked questions
What is the difference between A5 and B5?
A5 is 148 × 210 mm and B5 is 176 × 250 mm. B5 is the larger of the two by 41.6% in area.
Can I print A5 on B5?
Yes, at 100% — A5 is smaller on both edges, so it lands inside B5 with a border all round.
Which is bigger, A5 or B5?
B5 — 176 × 250 mm against 148 × 210 mm, which is 41.6% more area.
A5 in full · B5 in full · All size comparisons · All paper sizes