🎨 Images & Media
Aspect Ratio Calculator
"Lock any aspect ratio and calculate dimensions — perfect for responsive design."
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Common ratios
${[['16:9','16','9'],['4:3','4','3'],['1:1','1','1'],['21:9','21','9'],['3:2','3','2'],['9:16','9','16'],['2:3','2','3'],['4:5','4','5']].map(([l,w,h])=>``).join('')}
Visual ratio preview
Enter width and height to calculate the aspect ratio, or enter a ratio and one dimension to find the other. Supports common presets (16:9, 4:3, 1:1, 21:9) and custom ratios. Shows equivalent dimensions at common screen sizes. Invaluable for video production, thumbnail design, and responsive CSS.
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