GST/QST, HST or your local rate — calculate the tax-included total from a pre-tax amount, or break down a total to find the exact tax.
| Pre-tax amount | — |
| Tax (—) | — |
| Total with tax | — |
⚠️ Standard residential/commercial rate. A new-home rebate may apply — confirm with your tax authority.
It depends on the province. In Quebec, GST (5%) and QST (9.975%) both apply to the pre-tax amount, for a combined rate of about 14.975%. Other provinces use HST (a single combined rate, e.g. 13% in Ontario, 15% in most Atlantic provinces) or GST plus a separate provincial sales tax. Always confirm the exact rate for your province.
In Canada, a contractor generally must register and charge GST/HST once taxable revenue exceeds $30,000 over four consecutive quarters (the small supplier threshold). Below that, registration is optional. Always confirm your specific situation with your accountant or tax authority.
Yes, a partial GST/HST (and QST in Quebec) rebate exists for purchasing or building a new home intended as the buyer's primary residence, under certain price and eligibility conditions. The rules are complex and change — confirm with your tax authority or accountant before relying on this for a quote.