27" 4K Monitor — 163.2 PPI
A 27-inch 4K (3840 × 2160) monitor delivers ~163 PPI — razor-sharp text and images without needing OS scaling. This is the go-to choice for designers, photographers, and developers who want pixel-perfect clarity.
163.2
PPI
High DensityAt 163 PPI, this display offers good sharpness for desktop use. Text is crisp at normal viewing distance. Many 27″ 4K and ultrawide monitors fall in this range.
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
217.6 PPI
27" 5K Monitor
5120×2880 · 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)