Tax Calculator GST QST

Calculate GST and QST amounts instantly with forward or reverse calculation methods.

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عن هذه الأداة

This GST QST calculator helps you quickly calculate Goods and Services Tax (GST) and Quebec Sales Tax (QST) for any amount. Choose between forward calculation (adding tax to a base amount) or reverse calculation (extracting tax from a total amount). The tool provides a detailed breakdown including base amount, GST amount, QST amount, and total amount. Perfect for businesses, accountants, and individuals in Canada who need to calculate sales tax accurately.

Save your calculation history with a free account

كيفية الاستخدام

Enter the amount in the 'Amount' field
Enter the GST rate (default is 5%)
Enter the QST rate (default is
975%)
Select calculation type: 'Forward GST' (add tax to amount) or 'Reverse GST' (extract tax from total)
Click 'Calculate GST/QST' button
View detailed results including breakdown of amounts and taxes

Frequently Asked Questions

اعثر على إجابات سريعة

What is the difference between forward and reverse GST calculation?

Forward calculation adds GST and QST to a base amount to get the total. Reverse calculation extracts GST and QST from a total amount to find the base amount before taxes.

What are the default GST and QST rates?

The default GST rate is 5% and default QST rate is 9.975%, which are the standard rates in Canada. You can change these rates to match your specific requirements.

Does this calculator work for other provinces?

This calculator is specifically designed for GST and QST calculations used in Quebec. For other provinces with HST, you would need a different calculator as HST combines federal and provincial taxes into a single rate.

Can I calculate only GST without QST?

Yes, you can set the QST rate to 0% if you only want to calculate GST. The calculator will still work correctly with just GST calculations.

Need to run multiple calculations?

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