Designer / Layout
Aspect Ratio Calculator
Calculate, simplify, compare, and copy aspect ratios for images, video frames, layouts, and CSS directly in your browser. Useful for image exports, video frames, UI blocks, embeds, and responsive CSS.
16:9
Simplified
1.778
Decimal
Landscape
Orientation
16:9
Nearest common ratio
Solve missing dimension
Matching height: 720
Quick output sizes
Width 320
320 x 180
Width 640
640 x 360
Width 1200
1200 x 675
Status
Loaded a common widescreen example
Ratio
16:9
Simplified ratio for design handoff and exports.
CSS
aspect-ratio: 16 / 9;
Useful for responsive cards, media frames, and embeds.
Padding-top fallback
56.25%
Classic CSS ratio box percentage.
Match notes
1.778 is closest to 16:9. Great when you need a fast sanity check against common image and video formats.
Visual proportion preview