MTMasterTool

Sales Tax Calculator

Calculate sales tax from your own entered figures.

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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.

What this tool does

Calculate sales tax from your own entered figures. Uses your entered combined local tax rate; not a jurisdiction tax lookup.

How to use the Sales Tax Calculator

  1. Enter or select pre-tax price.
  2. Enter or select sales tax (%).
  3. Read the calculated result; change any measurement to compare alternatives.

Formula

tax=price×rate/100; total=price+tax
amount
Pre-tax price
rate
Sales tax (%)

Uses your entered combined local tax rate; not a jurisdiction tax lookup.

Worked example

For sales tax calculator, the following measurements illustrate the exact method: Pre-tax price: 100; Sales tax (%): 8.

Inputs

  • Pre-tax price100
  • Sales tax (%)8

Result

  • Tax-inclusive total$108.00
  • Sales tax$8.00

Results explained

Tax-inclusive total
Tax-inclusive total from the formula above. Uses your entered combined local tax rate; not a jurisdiction tax lookup.
Sales tax
Sales tax from the formula above. Uses your entered combined local tax rate; not a jurisdiction tax lookup.

Frequently asked questions

tax=price×rate/100; total=price+tax

Uses your entered combined local tax rate; not a jurisdiction tax lookup.

No. All numbers are entered by you or come from the dated reference table shown on this page; calculations run locally.

This is an estimate, not financial, tax or legal advice. Verify the inputs and output with official sources and a qualified professional.

Check period consistency, currency, percentage inputs and the assumptions: Uses your entered combined local tax rate; not a jurisdiction tax lookup.