A9 size
A9: 3.7 × 5.2 cm. In inches this is about 1.457 × 2.047 in.
A9
A-series paper · Paper sizes
3.7 × 5.2 cm
Standard size (W × H)
Centimetres (cm)
3.7 × 5.2 cm
Millimetres (mm)
37 × 52 mm
Inches (in)
1.457 × 2.047 in
Area
19.24 cm²
Aspect ratio
1 : 1.4054
Width / height
37 / 52
Pixel size at different DPI
| DPI | Width (px) | Height (px) | Total pixels | Typical use |
|---|---|---|---|---|
| 72 DPI | 105 | 147 | 15,435 (0.0MP) | Screen display |
| 96 DPI | 140 | 197 | 27,580 (0.0MP) | Windows default |
| 150 DPI | 219 | 307 | 67,233 (0.1MP) | Standard print |
| 200 DPI | 291 | 409 | 119,019 (0.1MP) | Good print |
| 300 DPI | 437 | 614 | 268,318 (0.3MP) | High-quality print |
| 600 DPI | 874 | 1,228 | 1,073,272 (1.1MP) | Professional print |
A9 measures 3.7 × 5.2 cm (37 × 52 mm) and belongs to the A-series paper group. It is typically used for Office documents and Letters and reports.
A9 — A9 size
A9: 3.7 × 5.2 cm (37 × 52 mm). A-series paper.
In inches this is about 1.457 × 2.047 in. The footprint area is about 19.24 cm².
300 DPI: 437 × 614 px.
Common uses
A9 · FAQ
How big is A9?
A9: 3.7 × 5.2 cm (37 × 52 mm).
What is the area of A9?
The footprint area is about 19.24 cm².
Where is A9 used?
Typical uses include Office documents, Letters and reports, Everyday printing.
Tip: leave a small tolerance when printing or installing; allow 3 mm bleed on each side for print artwork.