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Sales Tax By Rate Calculator

Work out sales tax by rate instantly with clear inputs, formula shown and shareable results.

About Sales Tax By Rate Calculator

Sales tax is often layered: a state rate plus one or more local rates that apply to the same base. Adding the rates before applying them gives the same answer as applying them in sequence, since neither taxes the other.

Formula

Combined sales tax

Tax = price × (state rate + local rate)

Worked example

With the default values below, Sales Tax By Rate Calculator returns Total Price With Tax of $4,871.25. Change any input above and every figure here is recalculated in your browser.

Inputs used

Item Priceminimum 0
4,500
State Tax Rateaccepts 0–20 %
6.25 %
Local Tax Rateaccepts 0–10 %
2 %

Results

Total Price With Tax
$4,871.25
Total Sales Tax
$371.25
Combined Tax Rate
8.250%
Local Tax Portion
$90.00

Step by step

  1. 1Values used
  2. 2Combined sales tax
  3. 3Total Price With Tax= 4,871.25
  4. 4Total Sales Tax= 371.25
  5. 5Combined Tax Rate= 8.250
  6. 6Local Tax Portion= 90.00

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • Tax figures are estimates based on the rates, caps and thresholds you enter. Real rules differ by jurisdiction and change every year, and personal circumstances alter the outcome. This is not tax or financial advice — confirm with a qualified adviser.
  • This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Tax figures are estimates based on the rates, caps and thresholds you enter. Real rules differ by jurisdiction and change every year, and personal circumstances alter the outcome. This is not tax or financial advice — confirm with a qualified adviser.

Frequently Asked Questions

Is tax charged on tax?

Not in a normal sales tax; both rates apply to the same price. Some special districts differ.

Why do rates vary so much by location?

Local jurisdictions set their own add-on rates, so the total can vary within a single city.

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