B1+
Dimensions: 720 × 1020 mm (28.35 × 40.16 in)
B1+ measures 720 × 1020 mm (28.35 × 40.16 in) and belongs to the ISO 216 standard. It is commonly used for large-format posters and notices.
What size is B1+ paper?
An B1+ piece of paper measures 720 × 1020 mm or 28.35 × 40.16 inches. It is part of the B Paper Sizes standard.
| Units | Width × Height |
|---|---|
| Metric millimeters (mm) | 720 × 1020 mm |
| Metric centimeters (cm) | 72.00 × 102.00 cm |
| Metric meters (m) | 0.720 × 1.020 m |
| Imperial inches (in) | 28.35 × 40.16 in |
| Typographic points (1/72 inch) (pt) | 2040.94 × 2891.34 pt |
| Typographic picas (1/6 inch) (pc) | 170.08 × 240.94 pc |
| Pixels at 300 DPI (px) | 8,504 × 12,047 px |
B1+ is part of the b paper sizes standard. The B series paper sizes are defined by the ISO 216 standard. B sizes are geometric means between consecutive A sizes, providing intermediate sizes for when A sizes are not suitable.
Quick facts
- Size (mm)720 × 1020 mm
- Size (inches)28.35 × 40.16 in
- Aspect ratio1 : √2 (≈ 1.414)
- StandardISO 216
- Common useDocuments, letters, forms
Compare B1+ with other sizes
Typical uses for B1+
B1+ measures 720 × 1020 mm (28.35 × 40.16 in) and is used for the following tasks.
- Large-format posters and notices
- Technical drawings and plans
- Presentation boards
- Print proofs and mock-ups
Printer tip
B1+ needs a wide-format plotter or a commercial print service. Check the maximum roll width and supported media before sending the job.
B1+ at common DPI
Pixel dimensions for B1+ at popular resolutions. Rounded to whole pixels; physical sheet remains 720 × 1020 mm.
| DPI | Width (px) | Height (px) |
|---|---|---|
| 72 | 2,041 | 2,891 |
| 96 | 2,721 | 3,855 |
| 150 | 4,252 | 6,024 |
| 300 | 8,504 | 12,047 |
| 600 | 17,008 | 24,094 |
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720 × 1020 mm (28.35 × 40.16 in)