Video Aspect Ratio Calculator
Calculate aspect ratios, find the missing width or height, and read the exact dimensions of any video file.
Files never leave your device Instant results 100% free No sign-up
How to use the Video Aspect Ratio Calculator
- Add your media file or enter the values.
- Inspect the details and adjust options instantly.
- Copy the result or download the converted files.
Private & secure
Processing happens locally with JavaScript, Canvas and Web APIs.
No uploads, no storage, no account. Close the tab and it is gone.
Works on desktop and mobile in any modern browser.