| Millimetres | 279.4 × 431.8 mm |
|---|---|
| Centimetres | 27.94 × 43.18 cm |
| Inches | 11 × 17 in |
| PDF points (1/72 in) | 792 × 1224 pt |
| Pixels at 72 dpi | 792 × 1224 px |
| Pixels at 150 dpi | 1650 × 2550 px |
| Pixels at 300 dpi | 3300 × 5100 px |
What A3 is used for
- Posters and notices
- Technical drawings, diagrams, mind maps
- Spreadsheets and timelines printed in landscape
- Art and design portfolios
A3 vs 11 × 17 (Tabloid)
The US equivalent, 11 × 17 in (279.4 × 431.8 mm), is 17.6 mm narrower and 11.8 mm taller than A3.
A3+ (Super A3)
A3+ is a printer paper size of 329 × 483 mm (13 × 19 in). It lets photo printers print a full A3 image with room for borders or bleed; it is not part of ISO 216.
Questions
How big is A3 in pixels?
3508 × 4961 px at 300 dpi, 1754 × 2480 px at 150 dpi and 842 × 1191 px at 72 dpi.
Can a normal printer print A3?
Only A3-capable models. Most home printers take A4 or Letter at most. You can print an A3 design on two A4 sheets and join them.