Everything Metric (Auto Unit Converter)

10 feet 🠚 10 feet【𝟯 𝗺】 This add-on automatically translates all American or Imperial units to Metric (International System of units - SI), adding converted unit in brackets behind USC unit. Convenient for shopping, cooking, etc.

Everything Metric - Auto Unit Converter | Firefox Add-On

The Firefox add-on 'Everything Metric (Auto Unit Converter)' is an automatic translator for all American units to International System of units (SI/Metric). It conveniently inserts the converted units in brackets next to the original units. It caters to a wide variety of units including length, weight, volume, speed, temperature, area and volume measurements. Turn ON/OFF functionality globally or force conversion when needed using Alt+M shortcut.

Add-on stats

Manifest V2
By: Milos
Daily users: 2,390
-9
Rating: 4.54
(48)
Version: 3.4 (Last updated: 2019-10-02)
Version code: 4872286
Creation date: 2018-03-08
Weekly download count: 40
Firefox on Android: No
Permissions:
  • tabs
  • storage
Size: 76.49K
Full description: See detailed description

Other platforms

Not available on Android

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Helps convert imperial units on US-centric websites
  • Very useful and saves time for users who deal with imperial measurements regularly
  • Works well 95% of the time
  • Good support for various unit conversions
  • Lifesaver for users encountering imperial units in recipes and sewing sites
Cons
  • Inconsistent recognition of certain units and negative temperatures
  • Introduces many false positives in text conversion
  • No option to see original measurements after conversion
  • Does not allow whitelisting of domains where it shouldn't run
  • Limited functionality on mobile platforms
Most mentioned
  • False positives in conversion
  • Inability to handle certain measurement formats correctly
  • Desire for a feature to view original measurements
  • Request for whitelisting domains
  • Need for better detection of specific units like negative temperatures
User reviews

Still works, but unfortunately when there's units like "2-3 feet" it will only convert the "3 feet" part.
by Dark Thoughts, 2025-01-22

lifesaver! a lot of websites, being US-centric, uses imperial units a lot so this helps out a lot as a non-American
by tagster, 2024-12-30
View all user reviews

Add-on safety

Risk impact

Everything Metric (Auto Unit Converter) requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
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Risk likelihood

We don't have sufficient data to confidently determine the risk likelihood of Everything Metric (Auto Unit Converter). Use it at your own risk.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
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