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Quick calculator · Paper Size Tools

SRA4 Paper Pixel Calculator

Calculate SRA4 pixel dimensions at any PPI. Use the result when preparing artwork, checking layout dimensions, or comparing standard and custom sheets.

Reviewed 2026-08-181 referenced sourceFree · no account
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Use the real values from your job. Optional fields can stay blank; zero should only be used when the value genuinely does not apply.

Common PPI
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SRA4 pixel dimensions at common resolutions

SRA4 has a fixed physical size of 225 × 320 mm (8.86 × 12.60 in). It does not have one universal pixel size: pixels change with the PPI used for the raster file.

PPIPortrait pixelsLandscape pixels
72638 × 907907 × 638
96850 × 1,2091,209 × 850
1501,329 × 1,8901,890 × 1,329
2001,772 × 2,5202,520 × 1,772
2402,126 × 3,0243,024 × 2,126
3002,657 × 3,7803,780 × 2,657
6005,315 × 7,5597,559 × 5,315
At 300 PPI2,657 × 3,780 px
At 150 PPI1,329 × 1,890 px
Physical size225 × 320 mm
OrientationSwap width/height for landscape

What the result is useful for

SRA4 Paper Pixel Calculator helps translate a physical sheet specification into digital artwork dimensions or comparable geometry without relying on a memorized pixel size that may assume the wrong resolution.

How the calculation works

Pixel width/height = the paper size in inches × selected PPI, rounded to whole pixels.

What this calculator cannot know

The result is deterministic from the values entered, but production constraints that are not represented by an input can change the practical decision.

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