Sales Tax Calculator

Calculate sales tax and the final price for any local tax rate.

$
%
Price after tax
$108.25
Sales tax$8.25
Price before tax$100.00
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How the calculation works

This calculator applies the standard formula below to the values you enter. Results update instantly in your browser—nothing is submitted to a server.

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.

Results are estimates for informational purposes and are not financial or professional advice.