Image
Aspect Ratio Calculator
Calculate image aspect ratios and proportional dimensions.
Tool
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About this Tool
Find matching dimensions while maintaining the original image proportions.
Examples
- 1920×1080 → 16:9
- Resize proportionally
Frequently Asked Questions
How do I use this tool?
Enter the values you know and Aspect Ratio Calculator updates the result automatically.
Are my files uploaded?
No. This calculator runs locally in your browser and does not need image uploads.
Which units are supported?
The utility calculators support pixels, aspect ratios, inches and DPI where relevant.