Other PDF Issues

How to Change Measurement Units in Adobe Acrobat Chrome Extension

Jason MillerJason Miller Oct 28, 2026 869 views

Question details

The user wants to know how to change the measurement units from inches to millimeters when viewing a document via the Adobe Acrobat extension.

How to Change Measurement Units in Adobe Acrobat Chrome Extension
Product
Adobe Acrobat Chrome Extension
Device & OS
ChromeOS
Scenario
Viewing, evaluating, or measuring PDF documents using the browser extension on a Chromebook.
Observed behavior
The extension displays page measurements exclusively in inches and lacks the preferences menu found in the desktop app to switch units to millimeters.
Before you start

Ensure your Google Chrome browser and the Adobe Acrobat extension are updated to the latest versions, as developers frequently release updates that may modify available settings.

Solution 1Recommended

Understand ChromeOS Extension Limitations

The Adobe Acrobat Chrome extension is a simplified version of the software and does not support advanced desktop preferences like unit conversion.

ChromeOS does not natively support the full Adobe Acrobat desktop application. While the Acrobat Chrome extension provides essential PDF viewing and markup features, it strips away many advanced settings to remain lightweight.

1
Check current extension settings

Open a PDF using the Acrobat extension in your Chrome browser and click the settings or menu icon in the toolbar to view the available viewing options.

2
Acknowledge the unit limitation

Note that the option to switch from inches to millimeters is currently omitted. Measurements will remain in inches by default within the extension interface.

Understand ChromeOS Extension Limitations
Desktop Exclusivity: Changing measurement units to millimeters requires accessing the 'Units & Guides' preferences menu, which is currently exclusive to the Windows and Mac desktop versions of Adobe Acrobat.
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Frequently Asked Questions

Can I install the full Adobe Acrobat desktop app on ChromeOS?

No, ChromeOS does not natively support the full desktop version of Adobe Acrobat. Chromebook users must rely on the Adobe Acrobat Chrome extension or the Android app version available via the Google Play Store.

Will Adobe add the measurement units feature to the Chrome extension?

Adobe continuously updates its extensions, but there is currently no official roadmap indicating when or if advanced preferences, such as unit measurement changes, will be implemented in the Chrome extension.

How do I change measurement units in the desktop version of Adobe Acrobat?

On a Windows or Mac computer, open Acrobat, go to 'Edit' > 'Preferences' (or 'Acrobat' > 'Preferences' on Mac), select 'Units & Guides' from the left sidebar, and change the 'Page & Ruler Units' dropdown to Millimeters.