📐 Professional Aspect Ratio Calculator
Upload images, calculate aspect ratios, get proportional dimensions. Perfect for designers & developers.
Upload images to auto-detect dimensions
Calculate aspect ratios using GCD algorithm
Get precise dimensions maintaining aspect ratio
Quickly swap width and height values
Instant calculations as you type
Accurate results with decimal support
Upload image or manually enter original dimensions
View calculated aspect ratio (e.g., 16:9, 4:3)
Enter one dimension, get proportional other automatically
Maintain proportions in mockups and designs
Calculate responsive image sizes for web & mobile
Optimize images for platform requirements
Calculate video frame dimensions and ratios
Widescreen, YouTube, HD Video
Traditional TV, iPad
Instagram Post, Square
Computer Monitors
Ultrawide, Cinematic
Portrait, Instagram Story
This project is free and open-source. If you find it useful, consider supporting development.
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