Reverse Sales Tax Calculator

Easily calculate the original price before tax using this tool.

What is a Reverse Sales Tax Calculator?

This calculator helps you determine the original price of a product before sales tax was applied. By inputting the final price (after tax) and the sales tax rate, you can calculate the initial cost.

How Does a Reverse Sales Tax Calculation Work?

The reverse sales tax formula is simple:
Original Price = Final Price / (1 + Sales Tax Rate).
By dividing the final price by the sum of 1 and the sales tax rate (as a decimal), you get the pre-tax price.

Why Use a Reverse Sales Tax Calculator?

This tool is useful for businesses and consumers who need to determine the base cost of products before tax was added. Whether you’re reviewing receipts, adjusting financial reports, or checking purchase prices, this calculator simplifies the process.