The size of A4 paper is 210mm * 297mm, that is, 21.0mm * 29.7 cm, while 1 inch = 2.54 cm. If the screen dpi resolution is 72 pixels/inch, convert it: equivalent to 1cm (72px/2.54) = 28.34px
Below are the pixel sizes of A4 paper on the screen at some common resolutions:
When the resolution is 72 pixels/inch, the size of the A4 paper image pixel is 595 × 842;
When the resolution is 96 pixels/inch, the size of the A4 paper image pixel is 794 × 1123; (default)
When the resolution is 120 pixels/inch, the size of the A4 paper image pixel is 1487 × 2105;
When the resolution is 150 pixels/inch, the size of the A4 paper image pixel is 1240 × 1754;
When the resolution is 300 pixels/inch, the size of the A4 paper image pixel is 2480 × 3508;
Other sizes, generally DPI standard printing:
The size of the A4 paper image is 2480x3508 pixels;
A3 the size of the image is 4960x3508 pixels;
B3 the size of the image is 3248x4300 pixels;
B4 the size of the image is 3248x2150 pixels.
Note: For details about how to view the DPI of your own monitor in Windows 7, see
For ease of conversion, write a simpleCode:
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