# A3 Size in Pixels

> A3 and the other paper sizes in pixels at any DPI, in portrait or landscape.

Canonical: https://bannerify.co/tools/a3-size-in-pixels

A3 is 297 × 420 mm, about 11.69 × 16.54 inches. A pixel has no fixed size, so the DPI (pixels per inch) sets the number of pixels.

## A3 in pixels

| DPI | Portrait | Landscape |
| --- | --- | --- |
| 72, PDF points | 842 × 1191 px | 1191 × 842 px |
| 96, CSS and screens | 1123 × 1587 px | 1587 × 1123 px |
| 150, posters | 1754 × 2480 px | 2480 × 1754 px |
| 300, print | 3508 × 4961 px | 4961 × 3508 px |
| 600 | 7016 × 9921 px | 9921 × 7016 px |

Two A4 pages side by side make one A3 page in landscape. Tabloid (11 × 17 in) is close to A3: 3300 × 5100 px at 300 DPI.

The A sizes table on /tools/a4-size-in-pixels lists A0 to A6.