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Aspect Ratio Calculator

Compute missing width or height for a given aspect ratio, and simplify ratios to lowest terms.

Enter any two of Width / Height (with ratio set) — the other is calculated.

About this tool

Compute missing width or height for a given aspect ratio, and simplify ratios to lowest terms. Apaltools tools are free, require no signup, and run entirely client-side — your input never leaves the browser, which makes it safe even for sensitive strings such as tokens or internal URLs.

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