Sales Tax Calculator

What is Sales Tax Calculator?

Sales Tax Calculator computes the tax amount and total price for any purchase given a subtotal and tax rate. It supports both adding tax to a price and extracting tax from a tax-inclusive amount.

How to use

1. Step 1 — Enter the item price or subtotal amount.
2. Step 2 — Enter the tax rate as a percentage (e.g., 8.25 for 8.25%).
3. Step 3 — View the tax amount and final total. Toggle between tax-exclusive and tax-inclusive modes.

Result

A shopper enters a $249.99 laptop price with a 7.5% tax rate. The calculator shows $18.75 in tax and a total of $268.74.

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