Ontario GST/HST Calculator 2026
Add or remove 13% HST (13.00%) from prices in Ontario. For invoices, receipts, or reverse-calculating tax.
In Ontario, sales tax is charged as HST (Harmonized Sales Tax), combining the 5% federal GST with provincial tax into one rate of 13.00%. Use this Ontario GST/HST calculator to add or remove tax from any amount for invoices, receipts, or pricing.
Add or remove GST/HST — Ontario
GST/HST by province
- Alberta (5% GST)
- British Columbia (5% GST + 7% PST)
- Manitoba (5% GST + 7% RST)
- New Brunswick (15% HST)
- Newfoundland and Labrador (15% HST)
- Northwest Territories (5% GST)
- Nova Scotia (14% HST)
- Nunavut (5% GST)
- Ontario (13% HST)
- Prince Edward Island (15% HST)
- Quebec (5% GST + 9.975% QST)
- Saskatchewan (5% GST + 6% PST)
- Yukon (5% GST)
13% HST in Ontario
Ontario's combined sales tax rate is 13.00% (13% HST). HST combines the federal 5% GST with provincial tax into a single rate. To add tax: multiply by 1.13. To remove tax: divide by 1.13. The calculator above does both. For income tax and take-home pay, use our Ontario Tax Calculator.
Typical uses for a Ontario GST/HST calculator
Add tax to a price before tax for invoices or quotes; remove tax from a total to find the pre-tax amount; verify receipts; budget for purchases. For payroll and income tax, use our Canada Tax Calculator, CPP & EI Calculator, or RRSP Calculator Canada.