FinanceFormula-based · Runs in your browser

Sales Tax Calculator

Calculate subtotal, sales tax, and total for one or more items.

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Inputs

Enter the values you know. Optional fields may be left empty.

Local save controls below
Required
$
Required
Required
%

Result

Updates as valid inputs change.

Calculated locally
Total
Subtotal
Sales tax
Total per item

Saved locally, explained clearly

Drafts, calculations, scenarios, and workflow progress stay in this browser unless you export them.

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Calculation steps

Follow what happened from the selected formula to the displayed answer.

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Calculate current inputs to see the working.
  1. 1

    Formula selected

    The calculator uses the following formula or method.

    Tax = price × quantity × tax rate; total = subtotal + tax

  2. 2

    Values entered

    Your values are placed into the calculation.

    Enter values to see what is used in this step.

  3. 3

    Result calculated

    The formula or method produces the following result values.

    Results will appear after a successful calculation.

  4. 4

    Answer formatted

    Displayed values are rounded and formatted using each output’s configured precision.

Scenario comparison

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Recent calculations

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Data and privacy

How it works

The item price is multiplied by quantity. Sales tax is then added to that subtotal.

Input query strings and outputs

Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.

Input query strings

3
  • ?price= Price per item

    Money · Required · Default: 100

  • ?quantity= Quantity

    Number · Required · Default: 1

  • ?taxRate= Sales tax rate

    Percentage · Required · Default: 8.25

Outputs

4
  • total Total

    Currency · Primary output

  • subtotal Subtotal

    Currency

  • taxAmount Sales tax

    Currency

  • totalPerItem Total per item

    Currency

Tax rate

Enter the rate that applies to the purchase. The calculator does not look up local rates.

Sources
  • No external reference is listed for this calculator. Its formula and variable definitions are shown above.
Limitations
  • Estimates use the rates, timing, and assumptions entered. Fees, taxes, lender rules, and future changes are included only where explicitly shown.