# Quebec sales tax calculator

> Add or remove Quebec sales tax: 5% GST + 9.975% QST, 14.975% in all. Rates checked 21 October 2026 against the CRA and the province. Free.

Canonical page: https://superbooks.io/tools/gst-hst-calculator/quebec/

Quebec charges 5% GST + 9.975% QST.

## Sources

- GST/HST: Canada Revenue Agency, GST/HST calculator and rates, https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/gst-hst-businesses/charge-collect-which-rate/calculator.html, checked 2026-10-21
- QST: Revenu Québec, Calculating the taxes, https://www.revenuquebec.ca/en/businesses/consumption-taxes/gsthst-and-qst/collecting-gst-and-qst/calculating-the-taxes/, checked 2026-10-21

GET https://app.superbooks.io/api/tools/gst-hst-calculator?province=QC&amount=100

## Questions

### What is the sales tax rate in Quebec?

Quebec charges 5% GST and 9.975% QST, both on the price before tax: 14.975% in all.

### How do I add sales tax in Quebec?

Multiply the price by 1.14975: $100.00 becomes $114.98.

### How do I take sales tax out of a Quebec total?

Divide the total by 1.14975. $114.98 including tax is $100.00 before tax.