Pixels for A3 Poster
at 300 DPI
To print with professional quality at a size of 29.7 x 42 cm, your file must have the following technical dimensions.
Pixel Resolution
3508 × 4961px
Premium Quality
Maximum sharpness, ideal for fine-art photography and galleries. At 300 DPI, the level of detail is premium quality.
Why use 300 DPI?
DPI stands for "dots per inch". The higher this number, the denser the information the printer lays down on the paper. For A3 Poster, a value of 300 is a premium quality choice.
CategoryLarge Format
Physical Width29.7 cm
Physical Height42 cm
Density300 DPI
Pro Tip
If your image is less than 3508 pixels wide, our AI upscaler can help you increase the resolution without it looking blurry.
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