Sales Tax Calculator
Calculate sales tax amount and total price including tax for any purchase.
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Sales Tax
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Total Price
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Effective Rate
Recent Calculations
What Is Sales Tax?
Sales tax is a consumption tax charged at the point of sale on goods and services. Rates vary by state and locality in the US.
Formula
Tax = Price × Tax Rate / 100Example
A $100 purchase with 8.25% sales tax: Tax = $8.25, Total = $108.25.
Frequently Asked Questions
What's the average US sales tax?
The combined state and local average is about 6.6%, but rates range from 0% (Oregon, Montana) to over 10% in some cities.
How do I find the pre-tax price?
Pre-tax Price = Total / (1 + Tax Rate/100). If total is $108.25 at 8.25%, pre-tax is $100.