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Aspect Ratio Calculator

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Calculate ratios from dimensions or dimensions from ratios.
Dimensions to Ratio
Enter dimensions above
Common Presets
Ratio to Dimension
:
OR
Enter a ratio and one dimension above.

How to Use

  • Enter width and height to calculate the aspect ratio.
  • Click a preset to fill in common resolutions.
  • Enter a ratio (like 16:9) and one dimension (width or height) to calculate the other.