A4 paper conversion
Convert the exact ISO A4 dimensions—210 × 297 mm—into pixels at any resolution. Plan portrait or landscape artwork and include printer bleed when needed.
Trimmed A4 at 300 PPI
2,480 × 3,508 px210 × 297 mm · without bleedArtwork with 3 mm bleed
2,551 × 3,579 px216 × 303 mm · confirm with your printerA4 PIXEL DIMENSIONS
A4 has a fixed physical size, but no single fixed pixel size. Higher PPI requires more pixels to preserve the same 210 × 297 mm printed dimensions.
QUICK REFERENCE
| PPI | Portrait pixels | Typical use |
|---|---|---|
| 72 | 595 × 842 px | Basic screen preview |
| 96 | 794 × 1,123 px | CSS and document preview |
| 150 | 1,240 × 1,754 px | Draft print or distant viewing |
| 200 | 1,654 × 2,339 px | Good general printing |
| 240 | 1,984 × 2,806 px | High-quality photo printing |
| 300 | 2,480 × 3,508 px | Professional print target |
| 600 | 4,961 × 7,016 px | Fine detail and line artwork |
For landscape orientation, swap width and height. Pixel values are rounded to the nearest whole pixel from the exact ISO millimetre dimensions.
PRINT-READY EXAMPLE
For finished A4 artwork, use 2480 × 3508 pixels in portrait orientation. With 3 mm bleed on every edge, the artwork becomes 216 × 303 mm, or approximately 2551 × 3579 pixels.
210 ÷ 25.4 × 300 = 2480 px297 ÷ 25.4 × 300 = 3508 pxA4 VS US LETTER
A4 is 210 × 297 mm, while US Letter is 215.9 × 279.4 mm. A4 is narrower and taller, so changing between them can reflow text or crop artwork.
Compare other formats with the paper-size comparison calculator.
HOW IT WORKS
pixels = millimetres ÷ 25.4 × PPIA4 at 300 PPI is 2480 × 3508 pixels; landscape uses the same values in reverse order.
COMMON QUESTIONS
A4 is 2480 × 3508 pixels in portrait orientation at 300 PPI, calculated from its exact 210 × 297 mm dimensions. Landscape is 3508 × 2480 pixels.
A4 is approximately 794 × 1123 pixels at 96 PPI. This is commonly useful for screen previews and document layouts, not high-quality printing.
At 300 PPI, A4 with 3 mm bleed on every edge is approximately 2551 × 3579 pixels. Always confirm the required bleed with your printer.
No. A4 is 210 × 297 mm; US Letter is 215.9 × 279.4 mm. Their different proportions can affect layouts and cropping.