Screen PPI Calculator
Calculate screen pixel density (PPI) and aspect ratio based on resolution and size.
Resolution (px)
Common Resolutions
Visual Preview (16:9)
1920 × 1080
Results
Pixel Density (PPI)
91.79
Number of pixels per inch
Pixels Per Degree (PPD)
37.84
Pixels per degree of vision (>60 is Retina)
Aspect Ratio
16:9 (1.78:1)
Display Width / Display Height
20.92 in × 11.77 in
53.13 cm × 29.89 cm
Display Area
246.12 sq in
1,587.90 cm²
Retina Distance
95.1 cm
Distance where pixels become invisible
Pixel Pitch
0.2767 mm/px
Total Pixels
2.07 MP
2,203 Diagonal Pixels
Video Bandwidth (Ref)
@ 60Hz
2.99 Gbps
@ 120Hz
5.97 Gbps
* Uncompressed Data Rate (24-bit RGB)
About This Tool
Professional online Screen PPI (Pixels Per Inch) calculator. Enter screen resolution (width and height) and screen size (diagonal) to instantly calculate pixel density, aspect ratio, and pixel size.
Features
- 📏 Precise Calculation: Compute accurate PPI based on resolution and diagonal size
- 📺 Aspect Ratio: Automatically display screen width-to-height ratio (e.g., 16:9)
- 👁️ Retina Distance: Calculate the ideal viewing distance for retina clarity
- 🚀 Bandwidth Estimation: Reference data rates for 60Hz/120Hz refresh rates
- 🛡️ Privacy First: 100% local processing, no data upload