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  5. Aspect Ratio Calculator

Aspect Ratio Calculator

Calculate aspect ratio from width and height. Presets for 16:9, 4:3, 1:1, etc.

16:9

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›How it works
  1. 1Choose mode: Dimensions (width × height) or Ratio (known ratio + one dimension).
  2. 2For dimensions: enter width and height to get simplified ratio.
  3. 3For ratio: enter ratio (e.g. 16:9) and one dimension to get the other.
  4. 4Use presets for quick 16:9, 4:3, 1:1, etc.