Aspect Ratio Calculator
Find the simplified aspect ratio for any dimensions, or scale width/height while preserving a ratio.
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About this tool
The aspect ratio describes the proportional relationship between width and height. A 16:9 ratio (1920×1080, 1280×720) is standard for video and monitors. 4:3 was the traditional TV format. 1:1 is used for social media square posts. 9:16 is vertical video (mobile). This tool lets you find the ratio of any dimensions or scale dimensions while preserving a given ratio.