Sales Tax Calculator

Calculate sales tax, total price, and tax amount for any purchase with our free online sales tax calculator. Supports multiple US state tax rates.

🧾 Enter your purchase details

📊 US State Sales Tax Rates

State Average Rate State Average Rate
Alabama9.22%Montana0.00%
Alaska1.76%Nebraska6.95%
Arizona8.35%Nevada8.24%
Arkansas9.44%New Hampshire0.00%
California8.85%New Jersey6.60%
Colorado7.75%New Mexico7.73%
Connecticut6.35%New York8.52%
Delaware0.00%North Carolina7.00%
Florida7.08%North Dakota6.96%
Georgia7.39%Ohio7.24%
Hawaii4.44%Oklahoma8.97%
Idaho6.03%Oregon0.00%
Illinois8.85%Pennsylvania6.34%
Indiana7.00%Rhode Island7.00%
Iowa6.94%South Carolina8.00%
Kansas8.70%South Dakota6.40%
Kentucky6.00%Tennessee9.55%
Louisiana9.55%Texas8.20%
Maine5.50%Utah7.19%
Maryland6.00%Vermont6.24%
Massachusetts6.25%Virginia5.73%
Michigan6.00%Washington9.38%
Minnesota7.49%West Virginia6.50%
Mississippi7.07%Wisconsin5.46%
Missouri8.26%Wyoming5.36%
* Average combined state and local sales tax rates

📈 Your tax results

Total Price (Including Tax) $108.88
Tax Amount $8.88
Item Price $100.00
Tax Rate 8.875%
Total Price $108.88

Formula Used

Sales tax = Pre-tax amount × Tax rate
Total = Pre-tax amount + Sales tax

How the formula is applied

The calculation uses the price, revenue, cost, rate or quantity fields shown by the tool. Gross and net figures are not interchangeable, and taxes, overhead, returns, discounts or financing should be included only in the field intended for them.

Calculator Description

Sales Tax Calculator turns price, revenue, cost, tax or usage assumptions into a business or cost estimate. Calculate sales tax, total price, and tax amount for any purchase with our free online sales tax calculator. Supports multiple US state tax rates. It helps users see how the result changes when one commercial assumption changes.

Frequently Asked Questions

What does the Sales Tax Calculator result represent?

It is an estimate generated from the values entered on this page and the calculation method shown in the formula and methodology sections.

How is the Sales Tax Calculator formula applied?

The calculator validates the entered values, applies the protected formula shown on the page and then rounds only the displayed result where appropriate.

How can I make the Sales Tax Calculator result more accurate?

Use current source values, confirm units and time periods, include every requested cost or measurement, and avoid rounding inputs before the final calculation.

Why might the Sales Tax Calculator result differ from another tool?

Different calculators may use different assumptions, time periods, rounding rules, reference standards or included costs. Compare the inputs and limitations before comparing answers.

Should I use the Sales Tax Calculator as an accounting, tax or investment decision by itself?

No. Use it for scenario planning, then validate revenue, cost, tax and timing assumptions against current records and qualified professional advice.

When should I recalculate with the Sales Tax Calculator?

Recalculate whenever a material input changes, such as a rate, price, balance, measurement, time period, fee, contribution or project dimension.

How to Use This Calculator

  1. Enter the revenue, cost, price or cash-flow values requested.
  2. Review the values for unit, decimal and time-period consistency.
  3. Select Calculate, Convert or Update to generate the estimate.
  4. Review the main result, detailed breakdown and the result chart when a meaningful visualization is available.
  5. Change one input at a time to compare scenarios before using the result.

Practical example and result check

Enter a realistic current case, calculate the result, then raise the cost or lower the selling price. The comparison shows how sensitive the margin, break-even point, tax amount or total cost is to that change.

Before relying on the result

  • Confirm the units, dates, rates and time periods entered.
  • Review which costs, measurements or assumptions are included and excluded.
  • Change one important input at a time to understand the result sensitivity.

Supporting Guides