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ISO A Series
Aspect Ratio: 1:1.414 (√2)
A3 Format
Millimeters297 × 420 mm
Inches11.69 × 16.54″
Common Uses
Small posters
Large presentations
Spreadsheets
Menus
A3 Standard
📐Pixel Dimensions
Digital canvasses rely on exact pixel densities (DPI/PPI) to match physical print dimensions. Graphic designers standardly request assets rounded to the nearest whole pixel at these crucial breakpoints:
72 DPI
Canvas Size842 × 1191pixels (px)
Standard web output and rough digital mockups.
150 DPI
Canvas Size1754 × 2481pixels (px)
High-res digital art or minimal standard print flyers.
300 DPI
Canvas Size3507 × 4962pixels (px)
The gold standard for crisp professional printing (magazines, books, commercial work).