Calculate and convert aspect ratios between different screen sizes and resolutions for free online. Find the correct width or height to maintain a 16:9, 4:3, or any custom aspect ratio.
Type a known aspect ratio or enter existing width and height values.
Enter either width or height and the other is calculated automatically.
Copy the calculated dimensions to use in your design or code.
Calculate and convert aspect ratios between different screen sizes and resolutions for free online. Find the correct width or height to maintain a 16:9, 4:3, or any custom aspect ratio.
Our Aspect Ratio Calculator is completely free to use with no registration required. It works directly in your browser on any device — desktop, iPhone, Android, and tablet.aspect ratio calculator, aspect ratio converter, 16 9 calculator — all handled instantly without any software download.
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