Monitor Size Calculator
Calculate PPI, physical dimensions, and pixel density from diagonal size and resolution. Compare your monitor with common displays.
46.2Kuses
8/10(185)
Calculated Properties
PPI
108.8
StandardWidth23.54"59.79 cm
Height13.24"33.63 cm
Display Area311.67 in²
Total Pixels3.69 MP
Pixel Pitch0.2335 mm
Compare with Common Monitors
| Monitor | Size | Resolution | PPI |
|---|---|---|---|
| Your Monitor | 27" | 2560x1440 | 108.8 |
| MacBook Air 13" | 13.6" | 2560x1664 | 224 |
| MacBook Pro 14" | 14.2" | 3024x1964 | 254 |
| MacBook Pro 16" | 16.2" | 3456x2234 | 254 |
| Dell U2723QE 27" 4K | 27" | 3840x2160 | 163 |
| LG 27UK850 27" 4K | 27" | 3840x2160 | 163 |
| Samsung 32" 4K | 32" | 3840x2160 | 138 |
| Apple Studio Display 27" | 27" | 5120x2880 | 218 |
| Apple Pro Display XDR 32" | 32" | 6016x3384 | 216 |
| Dell 24" FHD | 24" | 1920x1080 | 92 |
| LG 34" Ultrawide QHD | 34" | 3440x1440 | 110 |
| iPhone 15 Pro | 6.1" | 2556x1179 | 460 |
| iPad Pro 12.9" | 12.9" | 2732x2048 | 264 |
Click a row to load its specs into the calculator
How to Use the Monitor Size Calculator
- Enter your monitor's diagonal size in inches.
- Enter the display resolution (width x height in pixels).
- Or click a common monitor preset to auto-fill.
- View PPI, physical dimensions, and pixel density.
PPI Explained
PPI (pixels per inch) measures pixel density. Higher PPI means sharper text and images. Apple considers 200+ PPI as Retina quality. Standard desktop monitors are typically 90-110 PPI. Laptop screens are usually 120-160 PPI. Phone screens can exceed 400 PPI.
Features
- PPI and pixel density calculation
- Physical width, height, and area
- Pixel pitch / dot pitch in mm
- Common monitor presets for comparison
- 100% client-side processing for full privacy
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Disclaimer: This tool is provided as-is for informational and educational purposes only.