27" 5K Monitor — 217.6 PPI
A 27-inch 5K (5120 × 2880) display at ~218 PPI is the Retina standard for desktops. Used by the Apple Studio Display and iMac, it renders text and images at exactly 2× the logical resolution of a 1440p screen.
217.6
PPI
High DensityAt 218 PPI, this is a high-density display. Individual pixels are very difficult to see at typical viewing distance. Excellent for detailed work like photo editing and UI design.
Other display configurations
91.8 PPI
24" 1080p Monitor
1920×1080 · 24″ · Standard Desktop
81.6 PPI
27" 1080p Monitor
1920×1080 · 27″ · Standard Desktop
108.8 PPI
27" 1440p Monitor
2560×1440 · 27″ · Standard Desktop
163.2 PPI
27" 4K Monitor
3840×2160 · 27″ · High Density
91.8 PPI
32" 1440p Monitor
2560×1440 · 32″ · Standard Desktop
137.7 PPI
32" 4K Monitor
3840×2160 · 32″ · Standard Desktop
Calculate any screen's PPI
PPI Calculator
√(W²+H²) ÷ size — precise to 0.1 PPIUnit:
in
Use the diagonal printed on the box or spec sheet.
in wide
For when you measured the viewable width with a ruler.
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PPI
—PPI = √(W² + H²) ÷ diagonal · Retina-class estimate ≥ 300 PPI (approximate; depends on viewing distance)