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.