Visually compare screen sizes of phones, tablets, monitors, and TVs. See real physical dimensions side by side with accurate aspect ratio scaling.
Add screens to compare their actual physical sizes. Pre-loaded with popular devices.
Quick Presets
Add Screen
Visual Comparison
Each rectangle shows the actual physical size relative to others. Click to highlight.
Screen
Screen
Diagonal
Width
Height
Area
PPI
Resolution
No screens to compare. Add a screen or pick a preset above.
About Screen Size Comparator
Screen Size Comparator helps you visualize and compare the actual physical dimensions of different screens. Whether you're choosing a new phone, tablet, monitor, or TV, seeing sizes side by side makes decisions easier. All calculations are performed in your browser — no data is sent to any server.
Features
Visual side-by-side size comparison with accurate aspect ratios
Pre-loaded with popular devices: iPhones, iPads, MacBooks, monitors, TVs
Custom screen support with any diagonal and aspect ratio
Detailed comparison table with width, height, area, and pixel density
Pure client-side — your data never leaves your device
Responsive canvas visualization that adapts to your screen