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Sales Tax Calculator
Calculate how much sales tax you’ll pay on a purchase, and see your final total price.
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How sales tax is calculated
Sales tax is a percentage-based tax added to the price of most goods and services at the point of sale, with the rate set by state, county, and/or city government.
The formula
Sales Tax = Price × Tax Rate, and Total Price = Price + Sales Tax. Enter the pre-tax price and your local combined tax rate to see the tax amount and final total.
This calculator is for general shopping and budgeting purposes; always confirm the exact rate that applies to your specific location and purchase type.
Last reviewed August 2026