Aspect ratio calculator, use it like this
Enter the original width and height and the new desired width. Note the reduced ratio, new height, and integer pixel rounding results.
Example usage
1920 × 1080 is 16:9. If you set the new width to 1280, the height will be 720.
Please note
Each input is an integer from 1 to 1000000. It only provides calculations and does not enlarge or crop the image. Rounding may introduce small errors in the ratio.