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Ontario HST Calculator 2026

Ontario uses a single 13% Harmonized Sales Tax (HST) on most taxable purchases — 5% federal GST plus 8% provincial component. Use the calculator below for forward amounts (pretax → tax and total) or reverse (total including tax → pretax and HST). Many essentials are exempt or zero-rated, and new-home buyers may qualify for rebates up to roughly $24,000 in qualifying cases — always confirm eligibility with CRA and your builder or lawyer.

Tax Amount

$0.00

Total with Tax: $0.00

Breakdown: GST: $0.00 | PST/QST: $0.00

Tax type: HST (13%)

0% pretax | 0% tax

Rates accurate as of March 2026. Source: Canada Revenue Agency.

Ontario HST breakdown (2026)

Ontario's 13% HST is composed of federal and provincial portions shown below (illustrative split used for harmonized reporting).

ComponentRate
Federal (GST)5%
Ontario (provincial part of HST)8%
Total HST13%

Exemptions and new housing

Basic groceries, many health services, and certain supplies are exempt or zero-rated. Newly built homes may qualify for GST/HST new housing rebates; maximum amounts depend on purchase price, occupancy, and whether the home is your primary place of residence. This page does not calculate rebate amounts — use official CRA forms or a qualified professional for closing figures.

Frequently Asked Questions

What is the HST rate in Ontario in 2026?

Ontario charges 13% Harmonized Sales Tax (HST) on most taxable goods and services. HST combines 5% federal GST with 8% Ontario provincial component — one combined rate collected by CRA.

How do I calculate HST from a price that already includes tax?

Use reverse mode: divide the total by 1.13 to get the pretax amount; the difference is the HST. For example, $113 including HST implies $100 pretax and $13 tax. This page’s calculator includes a reverse (tax-included) mode.

What is the Ontario new housing rebate?

Eligible buyers of a new primary residence may qualify for a federal and provincial new housing rebate on the GST/HST portion, with a maximum federal/provincial combined rebate that can reach up to about $24,000 in common scenarios for qualifying new homes — eligibility, caps, and assignment rules depend on purchase price and use; confirm with CRA.

What items are exempt from HST in Ontario?

Many basic groceries, prescription drugs, certain medical devices, most health and dental services, and qualifying residential rent are zero-rated or exempt. Prepared food, restaurant meals, and most goods and services are taxable at 13%. Rules are detailed in CRA publications.

Open the full Canada GST/HST calculator for every province and territory.

Educational estimates only. Rebate eligibility and exempt items depend on specific facts; confirm with CRA.