Reverse Sales Tax Calculator – Calculate the original price before tax in seconds

Summary: This free online tool instantly separates tax-inclusive totals into the original pre-tax price and sales tax amount without requiring signup. It supports any sales tax rate and delivers results in seconds.

What it does

It breaks down a final amount into the original price before tax and the sales tax portion based on any given tax rate.

Who it's for

Freelancers, accountants, small businesses, and anyone handling tax-inclusive prices.

Why it matters

It solves the problem of determining the pre-tax price when only the total amount including tax is known.