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Aspect Ratio Calculator
Enter the original width, original height and target width to get the proportional target height.
What it does
- Enter the original width, original height and target width to get the proportional target height.
- Input and results are processed only in your browser
- Copy or download the result
How to use it
- Open the tool and try the sample to see the input format.
- Replace it with your own content, choose an option and run.
- Check the result, then copy or download it.
Good to know
No cloud sync and no AI. Input is limited to 1 million characters; QR code text is limited to 1,500 UTF-8 bytes.