Sales Tax Calculator
Quickly calculate sales tax for any price and tax rate, or work backwards from the total.
Sales Tax Results
How to Use the Sales Tax Calculator
Enter the price and tax rate. Switch between "Add Tax" (calculate from pre-tax price) and "Reverse" (work out pre-tax price from total).
Formula
Tax = Price × Rate ÷ 100
Total = Price + TaxFrequently Asked Questions
What is the average US sales tax?
Combined state and local sales tax averages about 7.1% across the US. States like Oregon and Montana have 0% sales tax.
Is sales tax charged on services?
Usually not, but it varies by state. Most states tax tangible goods; services are often exempt but rules differ widely.
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