Aspect Ratio Calculator

Find Aspect Ratio

Width (px)

Height (px)

Resize (Keep Ratio)

Original Width

Original Height

New Width (leave 0 to auto)

New Height (leave 0 to auto)

Formula

Ratio = W/GCD(W,H) : H/GCD(W,H)

Frequently Asked Questions

What is aspect ratio?

Aspect ratio is the proportional relationship between width and height. Common ratios: 16:9 (widescreen), 4:3 (standard), 21:9 (ultrawide), 1:1 (square). To find it, divide both dimensions by their GCD.

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