Aspect Ratio X is a rule-of-three calculator. 

Features:

• Calculate aspect ratios (rule of three)
• Swap values horizontally and vertically
• Select scales and ratios
• Browse common resolutions
• Browse recent ratios
• Formula preview
• Uses imperial or metric system automatically based on your system settings
• Multi-window support
• Optimized for macOS 11+
• Optimized for Mac with M1 (Apple Silicon)

What's New:

Version 2.1.2

• I’ve made a number of minor improvements. Have anything else you’d like to suggest? I’d love to hear from you → [email protected]

Screenshots:

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