This plugin hasn’t been tested with the latest three 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.



Automotive formulas for car enthusiast web sites. Formulas currently include engine displacement and static compression ratio.


  • Engine displacement calculator with the [formulas ed="true"] shortcode.
  • Static compression ratio calculator with the [formulas cr="true"] shortcode.
  • Calculators are responsive friendly.
  • More features on the way.


  1. Copy/Upload the entire formulas directory from the downloaded zip file into the /wp-content/plugins/ directory.
  2. Activate the “Formulas” plugin in the ‘Plugins’ menu in WordPress
  3. Enjoy.


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Contributors and Developers

“Formulas” is open source software. The following people have contributed to this plugin.


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Change Log


  • Released on TBA
  • First release