Aspect Ratio
Calculate and convert aspect ratios. Lock ratio while resizing.
Presets
Aspect Ratio
16:9
Pixel Count
2.1 MP (2,073,600 px)
Shape Preview
Three steps to done
Drag and drop or click to browse
Runs in your browser, nothing uploaded
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When to use this
Video production
Calculate output dimensions for different aspect ratios before exporting.
Responsive design
Scale a design to new dimensions while preserving proportions.
Print preparation
Check pixel counts and ratios before sending artwork to print.
Aspect ratio calculator
Enter any width and height to instantly see the simplified aspect ratio. Lock the ratio to scale dimensions proportionally. Use the preset buttons to jump to standard sizes for video, photography, and social media.
The pixel count display shows the total resolution, which is useful for print calculations and checking if an image meets platform minimum requirements. All common video and social media aspect ratios are included as one-click presets.
Everything runs in your browser with no data sent anywhere.
Frequently Asked Questions
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