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Sales Tax Calculator — Pre & Post-Tax Prices

Compute sales tax and total price for any purchase

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Features

  • Tax amount
  • Total with tax
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This tool runs on your device — your files and inputs never go anywhere.

How to Use Sales Tax Calculator

Compute sales tax and total price for any purchase No signup, and nothing gets uploaded for most use.

  1. 1

    Enter your numbers in the input fields.

  2. 2

    Choose the calculation options or frequency.

  3. 3

    The result updates instantly as you type.

  4. 4

    Review the breakdown, chart, or schedule, and copy the answer.

Why you might like it

  • Nothing to upload — the work happens on your device.
  • Free with no signup, no watermarks, and no daily limits.
  • Works in any modern browser on any device — nothing to install.
  • Usually done in a few seconds, so it doesn't get in your way.
Try Sales Tax

Frequently Asked Questions

What is sales tax?

Sales tax is a consumption tax applied to the sale of goods and services, usually collected by the retailer at the point of sale and remitted to the government.

Why do tax rates vary?

Sales tax rates are set by state and local governments, so they differ between regions. Some items such as groceries or clothing may be exempt or taxed at a lower rate.

How do I add sales tax?

Open the Sales Tax Calculator tool and enter your values in the input fields and read the result as you type. The result is generated instantly and ready to download — free, unlimited, and processed entirely in your browser so nothing is uploaded.