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LensCalc
How big can you print this file?
Photo labs treat 300 dots per inch as the standard for prints viewed up close, because that is roughly the limit of what the eye resolves at reading distance. A 6000x4000 file prints beautifully at 20x13 inches and starts to soften beyond it.
Viewing distance scales with print size — nobody presses their nose to a billboard. Large wall prints hold up fine at 150 DPI and posters at 100, which is why the same file that maxes out at 20 inches for an album print can cover 40 inches on a wall.
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OpenLast updated: August 2026
Print Size
20 x 13.3 in
What you entered
Print width
6,000 px / 300 DPI= 20 inPrint height
4,000 px / 300 DPI= 13.3333 inIn centimetres
20 x 2.54, 13.3333 x 2.54= 50.8 x 33.8667 cmLargest acceptable print at 150 DPI
6,000/150 x 4,000/150= 40 x 26.6667 inResult
Print Size: 20 x 13.3 in