A4 size
A4: 21 × 29.7 cm. In inches this is about 8.268 × 11.693 in.
A4
A-series paper · Paper sizes
21 × 29.7 cm
Standard size (W × H)
Centimetres (cm)
21 × 29.7 cm
Millimetres (mm)
210 × 297 mm
Inches (in)
8.268 × 11.693 in
Area
623.7 cm²
Aspect ratio
1 : 1.4143
Width / height
210 / 297
Pixel size at different DPI
| DPI | Width (px) | Height (px) | Total pixels | Typical use |
|---|---|---|---|---|
| 72 DPI | 595 | 842 | 500,990 (0.5MP) | Screen display |
| 96 DPI | 794 | 1,123 | 891,662 (0.9MP) | Windows default |
| 150 DPI | 1,240 | 1,754 | 2,174,960 (2.2MP) | Standard print |
| 200 DPI | 1,654 | 2,339 | 3,868,706 (3.9MP) | Good print |
| 300 DPI | 2,480 | 3,508 | 8,699,840 (8.7MP) | High-quality print |
| 600 DPI | 4,961 | 7,016 | 34,806,376 (35MP) | Professional print |
A4 measures 21 × 29.7 cm (210 × 297 mm) and belongs to the A-series paper group. It is typically used for Office documents and Letters and reports.
A4 — A4 size
A4: 21 × 29.7 cm (210 × 297 mm). A-series paper.
In inches this is about 8.268 × 11.693 in. The footprint area is about 623.7 cm².
300 DPI: 2,480 × 3,508 px.
Common uses
A4 · FAQ
How big is A4?
A4: 21 × 29.7 cm (210 × 297 mm).
What is the area of A4?
The footprint area is about 623.7 cm².
Where is A4 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.