Este plugin no se ha probado con las últimas 3 versiones mayores de WordPress. Puede que ya no tenga soporte ni lo mantenga nadie, o puede que tenga problemas de compatibilidad cuando se usa con las versiones más recientes de WordPress.

Finance Calculator


Note: Upgrading from 1.x to 2.x will automatically deactivate the plugin. Head over to your Plugins section and reactivate it.

Finance Calculator is a drop in form for users to calculate indicative repayments. It can be implemented on a page or a post. It contains a real-time AJAX calculation option, which degrades gracefully on older browsers and uses a button to calculate repayments.

The plugin also contains an application form which sends a message to a specified email address.

The calculator features payment protection, and 12 to 60 months calculation.

The plugin can be used for car purchases or payments, real estate and big loans calculations.

Check the official homepage for feedback and support.
See a Finance Calculator demo.


  • Front-end form
  • Front-end form
  • Shortcodes
  • Plugin settings


  1. Upload to your plugins folder, usually wp-content/plugins/
  2. Activate the plugin on the plugin screen.
  3. Configure the plugin.

Preguntas frecuentes

How do I add the form to a post or page?

You need to add the [finance_calculator] or the [loan_calculator] shortcode to the body of the post/page.


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Colaboradores y desarrolladores

«Finance Calculator» es un software de código abierto. Las siguientes personas han colaborado con este plugin.


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Registro de cambios


  • UPDATE: Removed Google+ integration
  • UPDATE: Updated PHP requirements
  • UPDATE: Updated WordPress compatibility


  • UPDATE: Removed hardcoded styling (allow theme to style form fields)
  • UPDATE: Removed getButterfly logo
  • UPDATE: Removed empty folder


  • UPDATE: Updated WordPress compatibility


  • FIX: Fixed date of birth year going forward to 2000 only
  • FIX: Fixed several fields maxlength
  • UPDATE: Added bank sort code field
  • UPDATE: Added time with bank field


  • FIX: Fixed wrong function name (admin style assets)


  • FIX: Fixed copyright name
  • FIX: Fixed wrong version number
  • UPDATE: Updated JavaScript file name


  • FIX: Added missing option init
  • UPDATE: Updated plugin name for internationalization
  • UPDATE: Updated screenshots
  • UPDATE: UI tweaks
  • UPDATE: Added finance application option (show/hide)
  • UPDATE: Added basic form styling (optional)
  • SECURITY: Better server security


  • UPDATE: Updated settings panel


  • FIX: Removed hardcoded calculator description
  • FIX: Removed an eval() expression
  • UPDATE: Updated readme.txt
  • UPDATE: Removed author credit (it’s not good practice)


  • UPDATE: Compatibility/authorship update


  • UPDATE: Removed old donation link
  • UPDATE: Updated WordPress compatibility


  • UPDATE: Allowed decimals for finance rates


  • UPDATE: Updated old links
  • UPDATE: Updated license


  • FIX: Removed unused/broken function to change mail sender
  • FIX: Removed textdomain loading as per WordPress 4.6+ specifications


  • UPDATE: Updated WordPress compatibility
  • UPDATE: Updated author links


  • UPDATE: Updated WordPress compatibility


  • UPDATE: Updated WordPress version
  • UPDATE: Updated translations (default plurals)
  • UPDATE: Updated plugin URL
  • UPDATE: Added help and support links
  • SECURITY: Sanitized options
  • FIX: Fixed empty variable


  • Added better email headers


  • Added donate link
  • Added license link


  • Tested compatibility with WordPress 3.8-beta-1


  • Added a loan calculator
  • Changed slug name due to conflict with other themes and plugins
  • Changed option saving method


  • Added default values for finance rate and currency
  • Added translation engine (the plugin is now translatable, en_US and en_GB are included)
  • Updated default options (WordPress specific code)
  • Updated options form with HTML5 valid fields
  • Updated plugin name and description for less ambiguity
  • Fixed some English phrases and typos
  • Removed page title due to duplication (both page title and form title are the same)
  • Removed Javascript minification due to low ratio (14%) and potential conflict with caching plugins
  • Removed occupations dropdown and replaced with text input (better for language locales)


  • Added price option (shortcode parameter)
  • Removed a useless JS line and calculation
  • Tested with WordPress 3.5


  • Added variable/modifiable finance rate
  • Added author credit option
  • Validated compatibility with version 3.4


  • Updated author links
  • Validated compatibility with version 3.3


  • Updated author links
  • Small backend UI changes


  • Changed author URL address


  • Fixed a large string issue in occupations list
  • Fixed a URL/directory detection function (replaced with WordPress specific function)
  • Fixed several typos
  • Removed several unused parameters
  • Removed a deprecated capability function


  • Changed name of email sender in application form instead of using the default «» (thanks @RedBlood)
  • Changed email headers to be actually sent as text/html


  • Added a new plugin path detection and fixed some more WordPress configurations
  • Users can now override the default finance rate in the shortcode


  • Fixed a wrong path issue


  • Updated the readme.txt file in the /docs/ folder with more information
  • Fixed XHTML code which invalidated strictness
  • Tested the plugin with WordPress 3.1
  • Removed old PHP code from index.php
  • Removed an invalid attribute from the occupations list


  • Added uninstall function
  • Added license file
  • Fixed screenshot order
  • Rewritten the readme.txt file for consistency


  • Added new features
  • Added administration section
  • Added possibility of modifiying rates and application email.
  • Fixed typos
  • Optimized scripts


  • First release