Pixels for A3 Poster
at 150 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
1754 × 2480px
Standard Quality
Decent quality for posters and magazines. At 150 DPI, the level of detail is standard quality.
Why use 150 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 150 is a standard quality choice.
CategoryLarge Format
Physical Width29.7 cm
Physical Height42 cm
Density150 DPI
Pro Tip
If your image is less than 1754 pixels wide, our AI upscaler can help you increase the resolution without it looking blurry.
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