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Aspect Ratio Calculator

Handy image dimension calculations straight from the menu bar

Aspect Ratio Calculator app icon

macOS App Download

Download App on the Apple The App Store

Easily find and calculate the dimensions of anything.

Have you ever had to adjust the size of an image and not known what to select for the width or height to maintain the original’s aspect ratio.

Aspect Ratio Calculator macOS app running on a mac

Activate Aspect Ratio Calculator by selecting an image or a portion of your screen and you’ll get the dimensions back along with the aspect ratio calculated. Adjust for your desired output’s width, height or scale and you’ll have the other dimensions adjusted to match and maintain the proportions of the original size.