🏷 Ontario HST
Ontario HST Calculator 2026
Add or extract Ontario HST (13%) — compare with all provinces.
HST Calculation
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Frequently Asked Questions
What is Ontario HST?
The Harmonized Sales Tax (HST) in Ontario is 13% — a combination of the 5% federal GST and an 8% provincial component. It applies to most goods and services.
Which goods and services are HST-exempt in Ontario?
Basic groceries, prescription drugs, medical devices, most child care services, legal aid services, and long-term residential rent are generally exempt from HST.
When must I register for HST?
You must register when your total taxable revenues (worldwide) exceed ,000 in any single calendar quarter or in four consecutive calendar quarters.