What is the sales tax rate in Ontario?

Ontario charges 13% HST, which combines the federal and provincial parts.

How do I add sales tax in Ontario?

Multiply the price by 1.13: $100.00 becomes $113.00.

Divide the total by 1.13. $113.00 including tax is $100.00 before tax.

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Ontario charges 13% HST. Rates checked 21 October 2026.

Fill in the form and select Calculate. The result appears here and the page address keeps it, so you can share or bookmark it.

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curl "https://app.superbooks.io/api/tools/gst-hst-calculator?province=ON&amount=100"

What is the sales tax rate in Ontario?: Ontario charges 13% HST, which combines the federal and provincial parts.
How do I add sales tax in Ontario?: Multiply the price by 1.13: $100.00 becomes $113.00.
How do I take sales tax out of a Ontario total?: Divide the total by 1.13. $113.00 including tax is $100.00 before tax.