Sales Tax Calculator

Calculate sales tax and the total price of an item.

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Features

Bidirectional Calculation

Calculate "Total from Price" (Forward) or "Price from Total" (Reverse) easily.

Detailed Breakdown

See the Net Price, Tax Amount, and Total Price clearly displayed.

Instant Results

Get real-time calculations as you type with automatic updates.

Copy to Clipboard

Quickly copy any result value with a single click.

Quick Reset

Reset all fields to default values to start a new calculation instantly.

About Sales Tax Calculator

The Sales Tax Calculator is a versatile tool designed to help you quickly calculate sales tax on purchases or reverse-calculate the original price from a total amount. Whether you're a shopper trying to figure out the final cost of an item or a business owner needing to extract tax from a gross price, this tool provides accurate results instantly. It supports custom tax rates and provides a clear breakdown of the net price, tax amount, and total price.

How to Use Sales Tax Calculator

  • 1
    Select Mode

    Choose "Add Tax" to calculate total price or "Subtract Tax" to find the original price.

  • 2
    Enter Amount

    Input the Price (for Add Tax) or Total Amount (for Subtract Tax).

  • 3
    Set Tax Rate

    Enter the applicable Sales Tax Rate percentage.

  • 4
    View & Copy

    See the detailed breakdown and copy the results as needed.

Frequently Asked Questions

Divide the total by (1 + tax rate/100). For example, if tax is 10%, divide by 1.10.
Yes, the mathematical formula for GST, VAT, and Sales Tax is identical.
To extract the base price when you only know the final tax-inclusive price on a receipt.
Yes, both terms refer to the final amount after tax has been added to the net price.
The calculator is designed for positive tax rates. Negative values will yield mathematically correct but economically illogical results.