Canada Sales Tax Formulas:
Tax rates vary by province due to GST, PST, and HST.
The Canada Sales Tax Calculator allows you to quickly add or remove GST, HST, or PST for any Canadian province. Whether you are a business owner, online seller, or consumer, this tool makes it easy to calculate tax-inclusive and tax-exclusive prices in seconds.
Canada’s tax system varies by province. Some provinces, like Ontario and Nova Scotia, use Harmonized Sales Tax (HST), while others like British Columbia and Manitoba combine GST + PST, and some provinces like Alberta only use GST.
With this calculator you can:
Add the appropriate provincial tax to a price
Remove tax from a tax-inclusive price
Calculate the exact tax amount
Convert between tax-exclusive and tax-inclusive prices
Select your province or territory – the calculator will automatically use the correct tax rate.
Enter either:
the price without tax, or
the price including tax.
The calculator will instantly show:
the tax amount, and
the total price including tax.
You only need to fill in one field, and the calculator computes the others automatically.
Canada’s sales taxes include:
GST (Goods and Services Tax) – a federal tax applied nationwide (5%)
PST (Provincial Sales Tax) – provincial tax applied in some provinces
HST (Harmonized Sales Tax) – combination of GST + PST in certain provinces
Key facts:
Alberta, Northwest Territories, Nunavut, and Yukon use GST only
Ontario, Nova Scotia, New Brunswick, Newfoundland and Labrador, and Prince Edward Island use HST
Quebec uses GST + QST, totaling 14.975%
Other provinces like British Columbia, Manitoba, and Saskatchewan combine GST + PST
Add Tax
Price with Tax = Price without Tax × (1 + Tax Rate)
Tax Amount
Tax Amount = Price without Tax × Tax Rate
Remove Tax
Price without Tax = Price with Tax ÷ (1 + Tax Rate)
This calculator performs these calculations automatically.
A sales tax calculator is useful for:
Creating business invoices
Pricing products or services
Checking tax amounts on receipts
Calculating taxes for e-commerce stores
Preparing tax reports for accountants or bookkeeping
It is widely used by businesses, freelancers, and online sellers across Canada.
What is the GST rate in Canada?
The federal GST rate is 5%.
Do all provinces use the same tax?
No. Some provinces use HST, some combine GST + PST, and some only have GST.
How do I remove tax from a price?
Divide the tax-inclusive price by 1 + tax rate for your province.
How do I add tax to a price?
Multiply the price by 1 + tax rate for your province.
Is tax included in retail prices?
In most cases, prices shown to consumers already include applicable taxes.