Tax

GST / HST Calculator

Calculate tax-inclusive or tax-exclusive property-related amounts. Replace every default with figures that apply to your property and location.

What this calculator estimates

Calculate tax-inclusive or tax-exclusive property-related amounts. It combines the inputs below to produce Total including tax. Every assumption remains editable so the estimate can reflect the property, financing and location being evaluated.

Worked example

Using the displayed sample assumptions, the calculator produces $10,500. This is an illustration, not a market quote. Change one input at a time to understand what drives the result.

Inputs and assumptions

• Price before tax — sample input: 10000 currency units
• GST/HST rate — sample input: 5 %
• Recoverable input tax percentage — optional — sample input: 0 %

How to interpret the result

Use the estimate for planning and confirm current jurisdiction rules. Compare a conservative case with an expected case and keep a record of the assumptions used.

Common mistake to avoid

Do not treat an estimated effective rate as a filed tax calculation. Local definitions, taxes, lending practices and measurement requirements can materially change the result.

Related calculators

Reviewed 2026-09-08.