Sales Tax Calculator
The Sales Tax Calculator adds your local sales tax rate to a purchase price to show the exact tax amount and final total.
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How This Tool Works
Enter the pre-tax price and your local sales tax rate to calculate the tax amount and total price.
Formula & Method
Sales tax = price × (tax rate ÷ 100). Total price = price + sales tax.
Example Calculation
A $120 purchase with 8.25% sales tax adds $9.90 in tax, for a total of $129.90.
Frequently Asked Questions
Where do I find my local sales tax rate?+
Check your state or local revenue department's website, or look at a recent receipt from a nearby store — combined state and local rates vary widely.
Does this handle tax-exempt items?+
No — enter 0% if your item is tax-exempt in your jurisdiction. This calculator applies a flat rate to the full price entered.
Is this the same everywhere in my state?+
Not necessarily — many states allow county or city sales tax on top of the state rate, so local totals can differ even within the same state.
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