Maximum resolution the human eye can see
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This spreadsheet will tell you the PPI of any screen you are interested in alongside the maximum PPI you are able to physically see.
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This will let you know if a higher resolution screen is worth it for you or if you would not be able to see a difference
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Light Blue cells are where you should enter your own data
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Anything in orange text is simply an automatic calculation that needs to be performed
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The Green cells tell you the PPI and pixel pitch of the screen and what you can actually see based on the entered data
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Step 1: What is the size and resolution of the screen?
common resolutions:
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Screen size (diagonal in inches)
15.61920x1080
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Resolution (width)38402560x1440
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Resolution (height)21603840x2160
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diagonal resolution4405.814345120x2880
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Step 2: Enter your visual acuity (20/20, 20/10, etc)
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Visual acuity2015
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Arc minute0.75
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Step 3: How far between the screen and your eyes
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distance (inches)24
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Result:Monitor
What you can see
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Pixel Pitch (mm)0.090.133
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PPI282.42190.98
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The screen is a higher resolution than you can physically see
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