Tax Calculator GST QST
Quickly estimate GST and QST on transactions with our free online calculator, ideal for businesses, accountants, and individuals in applicable regions.

Check It Yourself
About This Tool
This GST QST calculator provides real-time estimation of combined provincial and federal sales taxes based on user-inputted amounts and selected regions. Designed for Canadian businesses, freelancers, and consumers, it simplifies the process of calculating applicable taxes quickly and accurately.
Users can input their transaction amount, select or input regional tax rates, and instantly view the breakdown of GST, QST, and total payable amount. The tool supports regional defaults such as Quebec and Ontario, and allows manual adjustments for custom or in-between rates. It also provides an option to include or exclude specific taxes, catering to various scenarios.
Ideal for invoicing, budgeting, online sales, or compliance verification, this tool streamlines tax computation without complex formulas. Its clean interface ensures accessibility and ease of use for users of all technical skill levels. The quick results help save time while minimizing calculation errors, supporting tax preparation and financial decision-making.
How to Use
1. Enter the transaction amount in the input field.
2. Select your region or input custom GST and QST rates.
3. Click the ‘Calculate’ button.
4. View the detailed breakdown of GST, QST, and total amount payable.
5. Use options to copy, export, or reset for new calculations.

FAQs/Additional Resources
Find Quick Answers
How do I calculate GST and QST manually?
Can I adjust regional tax rates?
Is this calculator applicable for online sales?
Does the tool support multiple regions?
Is the calculation real-time?
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