Canada GST/HST calculator

Pick a province to set the combined sales-tax rate, then add tax to a price or remove it from a tax-inclusive total. Ontario HST is pre-set — change the province or the rate anytime.

Province / rate
Amount (CAD)
Tax rate (%)
Amount is the price before tax — we add GST/HST on top.
Net (before tax)
Tax amount
Gross (with tax)

Rates shown are the combined federal + provincial sales tax for each province. Verify the rate for your province and date — this is an estimate, not tax advice.

Everything runs in your browser. No upload, no sign-up.

How it works

STEP 1

Pick your province

Tap a province chip to load the right GST, HST or GST+PST rate. You can still edit it.

STEP 2

Add or remove tax

Enter the amount and choose “Add tax” for a net price, or “Remove tax” to back it out of a total.

STEP 3

See the breakdown

Net, the tax amount and the gross total update instantly. All private, in your browser.