Aspect Ratio Calculator
Simplified ratio
Calculated size
Change either new dimension; the other one follows the original aspect ratio.
About this tool
Calculate proportional image and video dimensions.
Privacy
Your input is processed locally in your browser and is not uploaded.
Frequently asked questions
Is my input uploaded?
No. The tool runs locally in your browser and does not upload your input.
Can I copy the result?
Yes. Generated text and values can be copied where applicable.
Does it work on mobile?
Yes. The interface adapts to phones, tablets, and desktop screens.