UTL
UTL.toolsThe Digital Toolbox
Updated: August 2026 • Verified v1.2

Dual Screen Size & Aspect Ratio Visualizer

Hardware & SystemsHardware

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Width = Diag * Cos(Atan(H/W)); Height = Diag * Sin(Atan(H/W)); Area = Width * Height
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Understanding Your Results

Calculates exact width & height (inches/cm), total surface area, percentage area difference, pixel density (PPI), and displays an interactive proportional scale overlay.

Practical Guidance & Next Steps

A 34-inch 21:9 ultrawide monitor has the exact same vertical height as a 27-inch 16:9 monitor, but is ~33% wider.

What is this?

A display hardware utility that compares physical dimensions and surface area between two screens.

How does it work?

1. Enter diagonal size and aspect ratio for Display A (e.g. 27" 16:9). 2. Enter diagonal size and aspect ratio for Display B (e.g. 34" 21:9). 3. View surface area delta, width/height differences, and visual scale silhouette overlay.

Why use it?

Helps you choose the right monitor size and aspect ratio for gaming, programming, and productivity desks.

Technical Scope & Calculation Limitations

Calculates geometric rectangular display dimensions based on diagonal and aspect ratio trigonometrics.

Frequently Asked Questions

Yes. A 34-inch 21:9 ultrawide has approximately 33% more surface area than a 27-inch 16:9 monitor, with identical vertical screen height.
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