This plugin hasn’t been tested with the latest 3 major releases of WordPress. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.

LRF speed converter


Convert time/distance (either mins/km or mins/mile) to distance per hour (kph or mph).


This section describes how to install the plugin and get it working.


  1. Upload the plugin files to the /wp-content/plugins/plugin-name directory, or install the plugin through the WordPress plugins screen directly.
  2. Activate the plugin through the ‘Plugins’ screen in WordPress
  3. The plugin is activated.
  4. Just add [lrf_calculator] to any place in your site where you want the converter shown
  5. Converter is shown horizontal. If you want it vertical, use [lrf_calculator showas=’vertical’]


None yet


There are no reviews for this plugin.

Contributors & Developers

“LRF speed converter” is open source software. The following people have contributed to this plugin.


Translate “LRF speed converter” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.



  • May 2017
  • Plugin created.