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Aspect Ratio Calculator

Find simplified ratios, equivalent sizes, and scale dimensions for any aspect ratio.

Dimensions → Ratio

Width (px)

Height (px)

16:9

1.778 : 1

Scale to common sizes:

Ratio → Missing Dimension

Common Ratio Presets

Ratio W

:

Ratio H

Enter one dimension; the other is calculated:

Known Width

→ Height

Known Height

→ Width