Browser-based · No upload · Fast calculation

Aspect Ratio Calculator

Calculate missing width or height from an aspect ratio. This calculator runs locally in your browser.

Ratio widthRatio height

WidthHeight

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Is my input uploaded?

No. This calculator runs in your browser with local JavaScript.

Are results guaranteed?

Results are estimates for general use. Review calculations before making financial, medical or legal decisions.

Can I copy the result?

Yes. Use the Copy Result button after calculating.