Free Sales Tax Calculator

    Free online sales tax calculator to help you calculate sales tax quickly and easily. No registration required, instant results, and completely free to use.

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    How It Works

    Calculate accurate sales tax in three simple steps

    1

    Enter Purchase Details

    Input your purchase amount and complete address information including street, city, state, and ZIP code. Our calculator needs the full address to determine the exact tax jurisdiction and applicable rates for your location.

    2

    API Validation & Rate Retrieval

    Our system validates your address details and queries real-time sales tax databases to retrieve the most current combined tax rate. We access state, county, city, and special district rates to ensure complete accuracy.

    3

    View Detailed Results

    Instantly see your sales tax amount, total price, and combined tax rate. Review the complete breakdown showing state, county, city, and district rates. Get accurate calculations you can trust for business or personal use.

    Frequently Asked Questions

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