B10 Paper Size
B10 paper measures 31 × 44 mm (1.22 × 1.73 in).
| Millimetres | 31 × 44 mm |
|---|---|
| Centimetres | 3.1 × 4.4 cm |
| Inches | 1.22 × 1.73 in |
| Aspect ratio (long ÷ short) | 1.419 |
| Series | ISO 216 B series (sizes between the A sizes) |
| Compare | A10 is 26 × 37 mm |
| Resolution | Width × height | Typical use |
|---|---|---|
| 72 PPI | 88 × 125 px | Screen design (PDF points) |
| 96 PPI | 117 × 166 px | Web / CSS pixels |
| 150 PPI | 183 × 260 px | Draft print quality |
| 300 PPI | 366 × 520 px | High-quality print |
| Paper weight | One sheet | 500 sheets (one ream) |
|---|---|---|
| 70 gsm | 0.10 g | 0.05 kg |
| 80 gsm | 0.11 g | 0.05 kg |
| 90 gsm | 0.12 g | 0.06 kg |
| 100 gsm | 0.14 g | 0.07 kg |
| 120 gsm | 0.16 g | 0.08 kg |
| 160 gsm | 0.22 g | 0.11 kg |
| Print onto | Scale |
|---|---|
| A5 paper | 477.3% |
| A4 paper | 675.0% |
| A3 paper | 954.5% |
| Letter paper | 635.0% |
| Legal paper | 696.5% |
Where you will see B10
B10 is the smallest size in the B series and is rarely used.
About B10
B10 belongs to the ISO 216 B series. Each B size sits between two A sizes: B10 is larger than A10 and smaller than A9. The Japanese JIS B series uses different dimensions from ISO B, so check which standard a "B" size refers to.
Frequently asked questions
What are the dimensions of B10 paper?
B10 paper is 31 × 44 mm (1.22 × 1.73 inches).
Is B10 bigger than A10?
Yes. B10 (31 × 44 mm) is larger than A10 (26 × 37 mm).
Related
- B9 Paper Size44 × 62 mm
- A10 Paper Size26 × 37 mm
- How ISO Paper Sizes Work (A, B and C)Why A4 is 210 × 297 mm
Last updated: 2026-10-03