Aspect Ratio X app icon

Aspect Ratio X

Rule of Three Calculator


  • Calculate aspect ratios
  • Swap values horizontally and vertically
  • Select scales and ratios
  • Browse common resolutions
  • Browse recent ratios
  • Formula preview
  • Imperial and metric numbers support
  • Multi-window support


Version 2.0.2
Size MB
Minimum OS macOS 11.0+
Localized to 5 languages
Last update 38 days ago
Version History