Free Geometry Aspect Ratio & Golden Ratio Calculator Online
Compute geometric aspect ratios (16:9, 4:3, 1:1, 21:9), diagonal screen sizes, polygon proportions, and Golden Ratio (φ = 1.618) divisions. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Enter Width & Height
Input original geometric dimensions.
Lock Ratio
Specify target ratio or scale factor.
Calculate New Dimension
Compute matching width or height automatically.
Frequently Asked Questions
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