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Aspect Ratio Calculator
Find an image ratio and resize one side without stretching the picture.
Everything runs locally in your browser. Nothing is sent to the server.
Aspect ratio
3:2
Matching size: 1080 × 720
What it does
Calculate a simplified ratio and the matching height for a new width.
How to use it
- Enter the original width and height.
- Enter the new width you want.
- Use the matching height shown below.
Tips
- Keep the ratio to avoid stretching images.
- Instagram recommends sizing shared photos to a width of 1080 pixels.
- All calculations stay in your browser.
FAQ
Are my dimensions uploaded?
No. The calculation happens entirely in your browser.