Sales Tax Calculator

Sales Tax Calculator
Add or remove sales tax from a price using a specified tax rate.
Enter a price and tax rate, then click Calculate.

What this calculator does

This sales tax calculator can either add tax to a pre-tax price or remove tax from a tax-inclusive price. It returns the tax amount, the price before tax, and the total price including tax.

Use Sales Tax Calculator when you need a quick financial estimate, want to compare different inputs, or need a clear result without setting up a spreadsheet.

How to use this calculator

Enter the values requested in the calculator, run the calculation, and review the result. If the tool offers multiple modes, choose the mode that matches the question you are trying to answer before comparing outputs.

How to interpret your result

Read the output together with the inputs you entered. Change one input at a time to see which assumptions have the biggest effect, especially for finance, health, tax, or planning calculations.

Limitations and notes

This calculator is a simplified planning tool. It cannot account for every personal, legal, medical, tax, or financial detail, so use the result as a starting point and verify important decisions with qualified guidance.