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Sales Tax CalculatorCalculate sales tax and final price instantly.

Instantly calculate total prices including sales tax for any US state. Our calculator features up-to-date tax rates and lets you include local taxes for precise calculations. Perfect for businesses and consumers who need accurate total costs including all applicable taxes.

Free sales tax calculator
State & local tax rates
Instant results

Basic Sales Tax Calculator

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Common Tax Rates:

Quick Info

  • • Enter price and tax rate
  • • Use common rates or custom value
  • • Get instant calculation results

US State Sales Tax Calculator

Popular States:

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Common Tax Rates

Example with 8.25% tax rate

$100.00 + 8.25% tax

Example with 6% tax rate

$50.00 + 6% tax

Example with 7.5% tax rate

$75.00 + 7.5% tax

How to Calculate Sales Tax

  1. Start with the price before tax (base price)
  2. Multiply the base price by the tax rate percentage
  3. Divide the result by 100 to get the tax amount
  4. Add the tax amount to the base price to get the total