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Best units plugins for WordPress

The most popular units plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. JKL Unit Converter leads with 80+ active installs, ahead of additional measurements units for WooCommerce (10+) and Units (10+). All 6 plugins tagged “units” are below, with figures from WordPress.org that update every day.

Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.

Research this niche or see all plugins.

Top 5 units plugins

  1. 1.
    JKL Unit Converter

    The most installed units plugin, with 80+ active installs. No reviews yet, last updated 10 years ago. Tested only up to WordPress 4.5.33.

  2. 2.
    additional measurements units for WooCommerce

    10+ active installs. Only 1 review so far, last updated 5 years ago. Tested only up to WordPress 5.8.19.

  3. 3.
    Units

    10+ active installs. Only 1 review so far, last updated 11 years ago. Tested only up to WordPress 4.3.34.

  4. 4.
    Referral-system-IVD

    Fewer than 10 active installs. Only 1 review so far, last updated 8 years ago.

  5. 5.
    Laqi Unit Stock Manager for WooCommerce

    Fewer than 10 active installs. No reviews yet, updated 3 weeks ago.

All 6 plugins tagged “units”