CA · CAD · GST/HST/PST

Canada tax & payroll calculator guide

Use the calculators for planning, then confirm current rates, allowances, contribution rules, and effective dates with the official authority. Calculum uses the numbers you enter; it does not reproduce Canada tax law.

What materially changes

Rules to separate in a Canada estimate

  • Income tax has federal and provincial or territorial layers, with Québec operating several distinct systems.
  • Payroll deductions can include CPP or QPP contributions and Employment Insurance or Québec parental insurance.
  • Consumption tax can be GST, HST, PST, or QST depending on the province and the transaction.

Prices and purchases

Canada: GST/HST/PST

GST, HST, PST, and QST treatment depends on the province and the item. Enter the applicable combined rate.