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Calculate and Generate CSS Aspect Ratios
Generate CSS aspect-ratio properties with 9 common presets (16:9, 4:3, 1:1, etc.). Perfect for responsive images, videos, and embed containers.
Open CSS Aspect Ratio Calculator →
Features
- 9 preset ratios (16:9, 4:3, 1:1, etc.)
- Custom width and height inputs
- Container width percentage control
- Object-fit property selector
- Visual preview with live updates
Common Use Cases
Perfect for video embeds, image containers, responsive cards, hero sections.