A5 compared with B5
B5 vs A5
B5 measures 176 × 250 mm (6.93 × 9.84 in); A5 measures 148 × 210 mm (5.83 × 8.27 in).B5 is 28 mm wider. B5 is 40 mm taller.
Try a comparison
AFirst paper
176 × 250 mm
BCompare with
148 × 210 mm
All measurements update together.
At a glance
Both sheets shown at the same scale
B5PortraitA5Portrait
Proportional preview · not actual print size
A5 minus B5
Scale B5 to fit inside A5
The details, side by side
B5 and A5: dimensions in the selected orientation.
| Measurement | AB5 | BA5 |
|---|---|---|
| Width | 176 mm | 148 mm |
| Height | 250 mm | 210 mm |
| Area | 44000 mm² | 31080 mm² |
| Aspect ratio (width : height) | 1 : 1.42 | 1 : 1.42 |
Print scale uses the orientations shown above and excludes printer margins and bleed. Rotate a sheet to explore a different fit.
Area difference
A5 has 29.36% less area than B5, using B5 as the baseline.
Print scaling
B5 onto A5: 84%. A5 onto B5: 118%. These portrait-to-portrait scales exclude printer margins and bleed.
Enter the percentage in your print dialog's Custom Scale field, select the destination paper size, and check the preview for the printer's unprintable margins.
Aspect ratios
B5: 1.42:1; A5: 1.42:1 (long edge to short edge, rounded to two decimal places).
Which should you use?
Choose B5 when your document template or recipient requests it, and A5 when that format is required. B5 offers more room for layouts and diagrams; the smaller sheet takes less space for compact documents.
B5 vs A5 FAQ
What is the size difference between B5 and A5?
B5 measures 176 × 250 mm (6.93 × 9.84 in); A5 measures 148 × 210 mm (5.83 × 8.27 in). B5 is 28 mm wider. B5 is 40 mm taller.
How does A5 compare with B5 in area?
A5 has 29.36% less area than B5, using B5 as the baseline.
What scale prints B5 on A5, and vice versa?
B5 onto A5: 84%. A5 onto B5: 118%. These portrait-to-portrait scales exclude printer margins and bleed.
Do B5 and A5 have the same aspect ratio?
B5: 1.42:1; A5: 1.42:1 (long edge to short edge, rounded to two decimal places). Their proportions are approximately the same, allowing for whole-millimetre rounding.