Aspect Ratio Calculator
Find the aspect ratio of any resolution, or the missing width or height when resizing an image or video.
Enter your values and press Calculate.
How to use the Aspect Ratio calculator
Find the aspect ratio of any resolution, or the missing width or height when resizing an image or video. Enter your values above and press Calculate; the result appears instantly, and the formula used is shown below so you can check the working.
Formula
Divide width and height by their greatest common factor; scale with new height = new width × H ÷ W.