Finance calculator
Canada - 2026Canada GST/HST Calculator
Estimate Canadian GST/HST and provincial tax by province or territory, with inclusive and exclusive price modes.
FormulaTotal tax = net price x combined rate; gross price = net price + total tax; net price = gross price / (1 + combined rate)
Formula
Canada GST/HST add/remove formulas
This calculator applies broad CRA province and territory rates. It excludes place-of-supply rules, exemptions, rebates, input tax credits, and detailed provincial filing rules.
Total tax = net price x combined rate; gross price = net price + total tax; net price = gross price / (1 + combined rate)
In Ontario, 1,000 before 13% HST has 130 tax and a gross price of 1,130.
SourcesThis profile covers a simplified Canada GST/HST and provincial tax add/remove calculation using province and territory rates published by the Canada Revenue Agency, including Nova Scotia's 14% HST from April 1, 2025.
Sources and assumptions
Canada GST/HST source notes
This profile covers a simplified Canada GST/HST and provincial tax add/remove calculation using province and territory rates published by the Canada Revenue Agency, including Nova Scotia's 14% HST from April 1, 2025.
- Effective year
- 2026
- Last verified
- 2026-05-29
This calculator applies broad CRA province and territory rates. It excludes place-of-supply rules, exemptions, rebates, input tax credits, and detailed provincial filing rules.
Official and reference sources
Assumptions
- The province or territory selected by the user determines the rate used in the calculation.
- Exclusive mode treats the entered amount as before GST, HST, PST, RST, or QST.
- Inclusive mode backs tax out from the entered total using the combined displayed rate.
- The whole amount is treated as taxable at one combined rate.
Not included
- Place-of-supply rules, zero-rated or exempt supplies, point-of-sale rebates, First Nations relief, and imported taxable supplies.
- Input tax credits, registration, returns, invoicing, penalties, and province-specific filing obligations.
- Local fees, environmental levies, excise taxes, and product-specific exceptions.
FAQ6 common questions for this calculator.
FAQs
Does this support all provinces and territories?+
Yes. Select the province or territory to use the displayed GST, HST, PST, RST, or QST combination.
Can it remove GST/HST from an inclusive price?+
Yes. Inclusive mode backs out the combined tax rate and shows the tax split where applicable.
How does the Canada GST/HST Calculator calculate the result?+
For the Canada GST/HST Calculator, it uses the Canada GST/HST add/remove formulas: Total tax = net price x combined rate; gross price = net price + total tax; net price = gross price / (1 + combined rate). In Ontario, 1,000 before 13% HST has 130 tax and a gross price of 1,130.
What information do I need to use the Canada GST/HST Calculator?+
Enter the money values, rates, dates, quantities, or assumptions requested by the form. Keep every amount in the same currency or business period before comparing the Canada GST/HST Calculator result.
How accurate is the Canada GST/HST Calculator?+
Canada GST/HST Calculator is accurate for the rates, amounts, dates, and rules entered. It uses the Canada GST/HST add/remove formulas shown on this page. Real products can differ because of fees, taxes, contract terms, or changing official thresholds.
What should I check before using the Canada GST/HST Calculator result?+
For the Canada GST/HST Calculator, check the entered amounts, rates, dates, and rules, then compare the Canada GST/HST add/remove formulas and worked example with the contract or source you will rely on. Fees, tax year, currency, and payment timing can change the final decision.
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How to use the Canada GST/HST Calculator
Estimate Canadian GST/HST and provincial tax by province or territory, with inclusive and exclusive price modes. The page also explains the canada GST/HST add/remove formulas and shows a practical example: In Ontario, 1,000 before 13% HST has 130 tax and a gross price of 1,130.
- 1
Enter your details
Enter inclusive and exclusive price modes, then complete any other fields shown in the calculator.
- 2
Check the calculation
Review the result alongside the canada GST/HST add/remove formulas: Total tax = net price x combined rate; gross price = net price + total tax; net price = gross price / (1 + combined rate).
- 3
Compare scenarios
Change one or more inputs to see how they affect the canada GST/HST Calculator result before you use the estimate.