When the resolution is 72 pixels/inch, the pixel of A4 paper size image is 595×842 (recommended size ratio).

When the resolution is 150 pixels/inch, the pixels of the A4 paper size image are 1240× 1754.

When the resolution is 300 pixels/inch, the pixels of the A4 paper size image are 2479×3508.

The pixel size of images with different resolutions will change accordingly.