What’s my screen size? | Discover Your Screen Dimensions
Quickly find your screen size in pixels, inches, and centimeters for any device using our online tool. Optimize your viewing experience with accurate display dimensions and resolution.
What Is My Screen Resolution?
This tool instantly shows your screen resolution — the width and height of your display in pixels — plus your browser window (viewport) size and pixel ratio. No download needed; it reads the values directly from your browser.
What Is My Screen Resolution?
This tool instantly shows your screen resolution — the width and height of your display in pixels — plus your browser window (viewport) size and pixel ratio. No download needed; it reads the values directly from your browser.
Click to Detect Screen Properties
Resolution
Screen Width
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Screen Height
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Aspect Ratio
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Pixel Ratio
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Display Properties
Screen Orientation
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Color Depth
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DPI (Dots Per Inch)
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Physical Dimensions
Note: Physical size is an estimation based on screen resolution and pixel density
Diagonal Size
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Physical Width
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Physical Height
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Browser Window
Try resizing your browser window to see changes in real-time
Viewport Width
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Viewport Height
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How to Use
- Visit this page on any device
- Click the detect button
- View your screen specifications
- Toggle between inches and centimeters if needed
Features
- Instant automatic detection
- Detailed screen specifications
- Real-time orientation tracking
- Physical size estimation
- Aspect ratio analysis
- Multiple unit support
Common Screen Resolutions
| Resolution | Name |
|---|---|
| 1920 × 1080 | Full HD (1080p) |
| 1366 × 768 | Common laptop |
| 2560 × 1440 | QHD (1440p) |
| 3840 × 2160 | 4K UHD |
| 1280 × 720 | HD (720p) |
Resolution is measured in pixels; a higher resolution shows more detail.
Common Use Cases
- Web Development - Ensure proper responsive design testing
- Gaming - Verify display requirements for games
- Design - Create properly sized graphics
- Troubleshooting - Resolve display issues
- Shopping - Compare monitor sizes accurately
Frequently Asked Questions
Screen resolution refers to the number of pixels your screen can display, expressed as width × height (e.g., 1920×1080).
Resolution is the number of pixels, while physical size is the actual measured dimensions of your screen.
Pixel density measures how many pixels fit in one inch of your screen. Higher numbers mean sharper displays.
Aspect ratio is the proportional relationship between width and height, commonly expressed as 16:9 for modern displays.
Screen dimensions and orientation update automatically to reflect your device's current position.
The estimation is based on your device's reported specifications and may vary slightly from actual measurements.
