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Aspect Ratio Calculator 1.4.1 for Mac

Aspect Ratio Calculator 1.4.1 for Mac

Mac Utilities
Updated Nov 6, 2026
Mac Utilities • Updated Nov 6, 2026

Aspect Ratio Calculator from BridgeTech Solutions is a small menu bar app for Mac that answers a constant design question: what height goes with this width? Drop an image onto it, or select part of your screen, and it shows the size and aspect ratio. Type a new width, height or scale and the other values follow in proportion, which makes it handy for screenshots, web graphics and video sizes.

Key Features

  • Lives in the macOS menu bar and opens from any app with a keyboard shortcut
  • Drop in an image or select a screen area to see its size and aspect ratio instantly
  • Enter a new width, height or scale and the rest is calculated in proportion
  • Copy the ratio in one click, as a ratio such as 16:9 or as a decimal
  • Opens common formats including PNG, JPEG, GIF, BMP and PDF

How to Download

  1. Use the green Download button on this page or visit the developer's site.
  2. Download from the official site and follow the link to its Mac App Store listing.
  3. Install the app, then launch it from the menu bar whenever you need a quick calculation.

System Requirements

The developer states the app works on Macs with macOS 10.12 Sierra or later, on both Intel and Apple silicon machines. Version 1.4.1 was released in September 2022.

FAQs

Is Aspect Ratio Calculator a subscription?

No. The developer sells it as a one-off purchase through the Mac App Store, with updates delivered through the App Store. Check the official page for the current price in your region.

Can it measure part of my screen?

Yes. As well as dropping in image files, you can select an area of the screen and the app reports its dimensions and aspect ratio.

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