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Result will appear here.

How to Use This Calculator

  1. Enter the price and local tax rate.
  2. Check reverse mode when the entered amount already includes tax.
  3. Select Calculate and review the tax and final price.

Formula and Calculation Method

Example Calculation

A 100 purchase at 8% tax produces 8 tax and a 108 final price. Reverse mode finds the pre-tax amount from 108.

Frequently Asked Questions

Can this calculate tax backwards?

Yes. Check the reverse option to separate the tax from a tax-inclusive price.

Does it include shipping?

No. Enter the taxable amount according to your local rules.

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