CC Ontario Income Tax Calculator


This is simple Ontario income tax calculator calculates income taxes for residents of Ontario province in Canada for 2021 fiscal year. Latest tax rates can be found here.

In case somebody needs here are plugin versions for earlier fiscal years:
* 2020 year – there is no plugin for 2020 Ontario income tax
* 2019 year (v2019.2)
* 2018 year (v2018.1)
* 2017 year (v2017.1)
* 2015 year (v2015.1)
* 2014 year (v2014.2)
* 2013 year (v2013.2)

Calculator is very easy customizable: you can change color of background, borders and text to match your web site’s theme and change widget title.


  • Widget settings in appearance panel
  • Widget example on the sidebar
  • Shortcode usage example in post
  • Widget example in WP post/page


  1. Extract the zip file and just drop the contents in the wp-content/plugins/ directory of your WordPress installation
  2. Activate the plugin through the ‘Plugins’ menu in WordPress
  3. Go to Appearance -> Widgets and add the widget to your website sidebar


Use [cc_income_tax_on] short code if you want embed the mortgage calculator into a post instead of adding it as a widget on sidebar.

Short code parameters are:

  • title (optional) – set calculator’s title (default – ‘Ontario tax calculator’)
  • bg_color (optional) – set background color (default – ‘#ffffff’)
  • border_color (optional) – set border color (default – ‘#cccccc’)
  • text_color (optional) – set text color (default – ‘#000000″)
  • dev_credit (optional) – show developer’s credit (default – ‘1’)

Example of shortcode usage:

[cc_income_tax_on title=’Income tax calculator’ bg_color=’#eaf4d7′ border_color=’#94c738′]

Use Color Picker to get hex code of color you need.

Please visit plugin home page for more detailed installation and setup instructions


Can I use this widget on commercial website


Please contact us if you have further questions or suggestions.


There are no reviews for this plugin.

Contributors & Developers

“CC Ontario Income Tax Calculator” is open source software. The following people have contributed to this plugin.




  • Fixed low level vulnerability
  • Deprecated PHP function fix (create_function() deprecated)


  • Income tax calculator updated for fiscal year 2021


  • Income tax calculator updated for fiscal year 2019


  • Income tax calculator updated for fiscal year 2018


  • Income tax calculator updated for fiscal year 2017


  • Income tax calculator updated for fiscal year 2015
  • Shortcode implemented and calculator can be placed in any post or page on blog.


  • Fixed minor bug for fiscal year 2014


  • Income tax calculator updated for fiscal year 2014


  • Fixed minor bug (Undefined variable)


  • Initial beta release for fiscal year 2013