Sales Tax Calculator

Calculate sales tax and the total price from any local tax rate. Free sales tax calculator.

$
%
Price after tax
$108.25
Sales tax$8.25
Price before tax$100.00
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How to use this sales tax calculator

U.S. sales tax is a combined state, county, and city rate. Look up the rate for the delivery address, enter the pre-tax price, and this sales tax calculator adds the tax and the total.

Formula

Sales tax = price × tax rate. Total = price + sales tax.

Worked example

8.25% tax on $100 is $8.25, for a total of $108.25.

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Frequently asked questions

Is this sales tax calculator free?

Yes. It works instantly in your browser with no signup.

Are the results exact?

Results follow the stated formula, but real-world fees, timing, and rounding can vary.

How do I calculate sales tax?

Tax = price × rate. Total = price + tax. 8.25% on $100 is $8.25, for a $108.25 total.

What is the sales tax in my city?

Look up the combined state + county + city rate. Enter that combined percent here—this tool does not geo-detect a rate.

Is shipping taxed?

Depends on the state and the seller. If shipping is taxable, add it to the price before tax.

Sales tax vs VAT?

U.S. sales tax is added at checkout. VAT is often included in the listed price. This calculator adds tax on top of the amount you enter.

Results are estimates for informational purposes and are not financial, legal, or professional advice. Last reviewed 2026-08-20.