Monitor PPI Calculator
Pixel density, pixel pitch, and viewing distance.
Enter screen size and resolution to get PPI, pixel pitch in millimeters, the retina viewing distance, and a comfortable distance range — plus what the density means for office work, gaming, and design.
Results
Results are estimates for planning — not electrical, engineering, or purchasing advice. Verify against official manufacturer specifications.
Pixel density
108.79 PPI
Pixel pitch
0.2335 mm
Center-to-center distance between pixels.
Retina distance
80.3 cm
Beyond this distance, a person with 20/20 vision can no longer resolve individual pixels (1-arcminute acuity model).
Suggested viewing range
From the retina distance up to about 1.5x that distance — closer shows pixels, farther wastes sharpness. A rule of thumb, not ergonomic advice.
At a typical desk distance (~70 cm), sharp eyes can still resolve pixel structure on this display.
What this density is good for
High density (100-125 PPI)
- Office —
- Office: noticeably crisper text than the desktop norm, usually still fine at 100% scaling.
- Gaming —
- Gaming: the popular sharpness/performance balance — 1440p at 27" lives here.
- Design —
- Design: good working density for photo and layout work.
Total pixels: 3,686,400
Methodology — Results are estimates for planning — not electrical, engineering, or purchasing advice. Verify against official manufacturer specifications.
Frequently asked questions
What is a good PPI for a monitor?
For a desktop monitor at arm's length, roughly 90-140 PPI is comfortable. Around 110 PPI (27-inch 1440p) is a popular balance; 140+ PPI (27-32-inch 4K) looks razor-sharp but usually wants display scaling. Below about 85 PPI, text starts to look pixelated at desk distance.
What is the retina distance?
It is the viewing distance beyond which a person with 20/20 vision can no longer distinguish individual pixels, based on a one-arcminute visual-acuity model. Sit at or beyond that distance and the screen looks pixel-perfect; sit closer and you may notice pixel structure.
How is PPI calculated?
PPI equals the diagonal resolution in pixels divided by the diagonal screen size in inches — that is, the square root of (width in pixels squared plus height in pixels squared), divided by the diagonal inches. Pixel pitch in millimeters is simply 25.4 divided by PPI.
Is higher PPI always better?
Not necessarily. Higher PPI is sharper but demands more GPU power for gaming and usually needs OS scaling for readable text. The right density depends on screen size, how far you sit, and whether you prioritize sharpness, performance, or working space.