A3 Paper Size Dimensions
A3
297 x 420 mm
What is A3 paper sizes?
A A3 piece of paper measures 297 × 420 mm or 11.69 × 16.54 inches. A3 is part of the A Paper Sizes. The A series is the ISO 216 global standard. A4 (210 × 297 mm) is the most common size worldwide, used in offices and printers.
A3 — Units
| Units | Width × Height |
|---|---|
| Millimeters (mm) | 297 × 420 mm |
| Centimeters (cm) | 29.7 × 42 cm |
| Meters (m) | 0.297 × 0.42 m |
| Inches (in) | 11.69 × 16.54 in |
| Points (pt) | 842 × 1,191 pt |
| Picas (pc) | 70.2 × 99.2 pc |
| Pixels (px @300dpi) | 3508 × 4961 px |
| Pixels (px @72ppi) | 842 × 1191 px |
All A Paper Sizes →
Frequently Asked Questions
What is A3 size in inches?
A3 size in inches: 11.69 × 16.54 inches.
What is A3 size in cm?
A3 size in cm: 29.7 × 42 cm.
What is A3 size in mm?
A3 size in mm: 297 × 420 mm.
What is A3 size in pixels?
A3 size in pixels: 3508 × 4961 px at 300 dpi, 842 × 1191 px at 72 ppi.
What is A3 size in points?
A3 size in points: 842 × 1,191 pt.