GlenCalc

Sales tax calculator

Enter the price and your combined sales tax rate (state plus local). You can also work backwards from a receipt total to the price before tax.

Your combined state and local rate. Rates change, so check your state’s revenue department.

Your answer

Sales tax$8.25
Total$108.25
Price before tax$100.00

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How we worked it out

Updated as you change the numbers.

  1. Tax = $100.00 × 8.25%.

Method and assumptions

Sales tax = price × rate. To remove tax from a total, divide by (1 + rate); subtracting the rate from the total gives the wrong answer. Stores round tax to the cent on each item or on the receipt total, so receipts can differ by a cent.

Questions

What was the price before tax if I paid $108.25 at 8.25%?

$108.25 ÷ 1.0825 = $100.

Sources

Method and figures checked on . Every worked answer on this page is covered by an automated test. Found a mistake? Tell us.

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