Your screen
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Did you know?
Screen size is measured diagonally, not by width or height.
Your screen overview
Screen size
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Diagonal
Resolution
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Screen
Aspect ratio
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Orientation
Pixel density
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PPI
Color depth
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Color
Pixel ratio
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DPR
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Best 27-Inch Gaming Monitor: Why 1440p Still Wins (OLED, Mini-LED, Budget)
For most gamers, 27-inch 1440p is still the right size and resolution. Start with the ASUS ROG Swift PG27AQDP for OLED motion clarity, or the AOC Q27G3XMN if you want real HDR without OLED pricing.
How to Measure Monitor Size: Diagonal Inches, Bezels, and the Mistakes That Inflate Your Number
Monitor size is the viewable diagonal in inches, not the frame and not your resolution. Measure corner to corner on the lit panel, or calculate from width and height with the Pythagorean theorem.

Mobile Screen Sizes for Web Design: 6.1–6.8 Inch Phones and CSS Breakpoints
Design for 6.1–6.8 inch phones first. Physical inches are not CSS widths: most layouts land around 360–430px wide. Use compact, mainstream, and large reference devices, then verify with viewport tools.
