Québec GST Calculator

This is very simple GST calculator for Québec province. This online calculator calculates both sales taxes – Goods and Services Tax (GST) and Québec Sales Tax (QST). Québec province is using QST instead of PST.

Any input field of this calculator can be used:

  • Enter price without GST/QST– GST/QST values and price including GST/QST will be calculated
    OR
  • Enter GST value and get PST value, GST/QST inclusive and GST/QST exclusive prices
    OR
  • Enter QST value and get GST value, GST/QST inclusive and GST/QST exclusive prices
    OR
  • Enter GST/QST inclusive price and calculate reverse GST and QST values and GST/QST exclusive price
 

Current (2025) GST rate in Canada is 5% and QST rate in Québec is 9.975%.

Check home page if you need sales tax calculator for other province or select one listed on the right sidebar.