Sales Tax Calculator

Calculate tax on any purchase

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About Sales Tax Calculator

A sales tax calculator that computes the total tax and final price for any purchase. Enter the pre-tax price and tax rate (or select by state) to see itemized tax amounts. Includes a reference table of all 50 U.S. state sales tax rates, combined state+local averages, and tax-free states. Supports reverse sales tax calculation to find the pre-tax price from a total. Useful for car purchases, online shopping, and business invoicing. 100% client-side.

Sales Tax Calculator Features

  • Tax amount calculation
  • Total with tax
  • Reverse tax calc
  • State tax rates
  • Combined local rates
  • Car purchase tax
  • Tax-free states
  • Percentage breakdown

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