Ratio reducer for any dimensions.

Divide both dimensions by their greatest common divisor.

Frame dimensions

Target ratio

Known width

px

Width to reduce

Height to reduce

Result

Ratio result

text
Scaled size: 1920 × 1080
Preset ratio: 16:9
Reduced input: 1920 × 1080
Simplest ratio: 16:9

Processed locally — inputs and results stay in this browser tab. Copy and download actions run only when you choose them.

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How RatioGrid processes dimensions locally.

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Whole numbers required

The reducer rounds dimensions to whole numbers before finding the greatest common divisor. Preserve the original decimals when they carry measurement precision.

RatioGrid

Scale dimensions and reduce ratios without losing proportion.

Tools

Home Aspect ratio calculator for every frame.Ratio reducer for any dimensions.

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