What Is QST?

What QST Means

QST means Québec Sales Tax. In reverse tax calculation, it identifies the tax label and rate that must be removed from a tax-inclusive total before you calculate the net price and tax included.

How QST Affects Reverse Tax

Québec Sales Tax is Québec’s provincial consumption tax that often appears with GST. Use the rate printed on the receipt or the official rate for the transaction before dividing the total by the tax multiplier.

Related Calculator Workflow

Use the Reverse Tax Calculator when the total already includes tax. For a deeper tax-type explanation, read Québec Sales Tax.