B7 Paper Size
B7 paper measures 88 × 125 mm (3.46 × 4.92 in).
| Millimetres | 88 × 125 mm |
|---|---|
| Centimetres | 8.8 × 12.5 cm |
| Inches | 3.46 × 4.92 in |
| Aspect ratio (long ÷ short) | 1.420 |
| Series | ISO 216 B series (sizes between the A sizes) |
| Compare | A7 is 74 × 105 mm |
| Resolution | Width × height | Typical use |
|---|---|---|
| 72 PPI | 249 × 354 px | Screen design (PDF points) |
| 96 PPI | 333 × 472 px | Web / CSS pixels |
| 150 PPI | 520 × 738 px | Draft print quality |
| 300 PPI | 1039 × 1476 px | High-quality print |
| Paper weight | One sheet | 500 sheets (one ream) |
|---|---|---|
| 70 gsm | 0.77 g | 0.38 kg |
| 80 gsm | 0.88 g | 0.44 kg |
| 90 gsm | 0.99 g | 0.49 kg |
| 100 gsm | 1.10 g | 0.55 kg |
| 120 gsm | 1.32 g | 0.66 kg |
| 160 gsm | 1.76 g | 0.88 kg |
| Print onto | Scale |
|---|---|
| A5 paper | 168.0% |
| A4 paper | 237.6% |
| A3 paper | 336.0% |
| Letter paper | 223.5% |
| Legal paper | 245.3% |
Where you will see B7
B7 (88 × 125 mm) is exactly the size of an ISO/IEC 7810 ID-3 document, the format of most passport booklets.
About B7
B7 belongs to the ISO 216 B series. Each B size sits between two A sizes: B7 is larger than A7 and smaller than A6. 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 B7 paper?
B7 paper is 88 × 125 mm (3.46 × 4.92 inches).
Is B7 bigger than A7?
Yes. B7 (88 × 125 mm) is larger than A7 (74 × 105 mm).
Related
- B6 Paper Size125 × 176 mm
- B8 Paper Size62 × 88 mm
- A7 Paper Size74 × 105 mm
- How ISO Paper Sizes Work (A, B and C)Why A4 is 210 × 297 mm
Last updated: 2026-10-03