Quebec GST and QST Calculator
Add or remove GST and QST in seconds. The standard rate in Quebec is 14.975%, and you can switch to 5%, 9.975% with one click.
Price including GST and QST
$114.98
- Net amount
- $100.00
- GST and QST at 14.975%
- $14.98
- Gross amount
- $114.98
Quebec GST and QST rates
| Rate | What it applies to |
|---|---|
| 14.975% | Combined rate: 5% GST plus 9.975% QST, charged separately |
| 5% | GST only. Federal GST, for example when the provincial part does not apply |
| 9.975% | QST only. The provincial sales tax on its own |
How to calculate GST and QST in Quebec
- To add GST and QST: price before tax × 1.14975 = price including tax. For example, 100.00 × 1.14975 = 114.98.
- To remove GST and QST: price including tax ÷ 1.14975 = price before tax. For example, 114.98 ÷ 1.14975 = 100.00.
- The tax inside a price that includes it: price including tax × 14.975 ÷ 114.975. For 114.98 that is 14.98.
Recent changes and things to know
5% GST plus 9.975% Quebec Sales Tax (QST), collected separately; combined 14.975%.
Quebec GST and QST: frequently asked questions
What is the GST and QST rate in Quebec?
The standard GST and QST rate in Quebec is 14.975%. Other rates: 5% (federal GST, for example when the provincial part does not apply); 9.975% (the provincial sales tax on its own).
How do I add GST and QST to a price?
Multiply the price before tax by 1.14975. For example, 100 plus 14.975% GST and QST is 114.98.
How do I remove GST and QST from a price?
Divide the price including GST and QST by 1.14975. For example, 114.98 including 14.975% GST and QST is 100.00 before tax. Do not just take 14.975% off the total, because that gives the wrong answer.
Is this GST and QST calculator free?
Yes. It is free, needs no sign-up and runs in your browser, so nothing you type is sent to BunnyDoc.
Sources
Rates checked in October 2026. Tax rates and rules change, and what you charge depends on what you sell and to whom, so check the official sources above or ask an accountant. This page is general information, not tax advice.
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