Reverse Tax Calculator

Calculate the pre-tax price from any tax-inclusive total.

ProductivitySaaSFinance Launched Aug 31, 2026

About Reverse Tax Calculator

Calculate Reverse Tax makes it easy to work backwards from a tax-inclusive price and find the original pre-tax amount. Calculate GST, PST, and HST amounts quickly and understand exactly how much tax is included in a total. It’s designed for shoppers, businesses, and anyone who needs a simple way to reverse sales tax calculations.

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