Sales Tax Calculator Calculate Tax & Total Price
Calculate sales tax, pre-tax price, final total, and tax-inclusive prices instantly. Choose whether your entered amount includes sales tax or not.
Calculate Sales Tax
Enter your amount and tax rate.
Your Result
Sales Tax Breakdown
Price Breakdown
Tax Rate Comparison
Compare the result at different tax rates.
| Tax Rate | Pre-Tax | Tax | Total |
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Calculation Details
Sales Tax Formulas
Sales Tax Calculator
Calculate Sales Tax Quickly and Easily
This free Sales Tax Calculator helps you estimate the sales tax amount, pre-tax price, and final purchase total. You can use Tax Exclusive mode when the entered price does not include tax, or Tax Inclusive mode when the displayed price already contains tax.
Enter an amount, select the applicable tax rate, choose the calculation type, and get an instant breakdown with formulas, comparison rates, and detailed calculation steps.
Simple Process
How to Calculate Sales Tax
Enter the Amount
Enter the product price or total amount you want to analyze.
Enter the Tax Rate
Enter the applicable sales tax percentage for your transaction.
Choose the Calculation Type
Select Tax Exclusive or Tax Inclusive and calculate your result.
Calculator Features
Sales Tax Calculator Features
Sales Tax
Quickly calculate the tax amount on a purchase.
Final Price
Calculate the total amount after sales tax.
Reverse Tax
Find the pre-tax price when the entered amount already includes tax.
Tax Comparison
Compare totals across several common tax rates.
Detailed Steps
See exactly how the sales tax result was calculated.
Copy & Download
Copy or download your complete calculation.
Common Uses
When to Use a Sales Tax Calculator
Shopping and Purchases
Estimate the final amount you may pay after applying a sales tax rate.
Product Pricing
Calculate tax amounts when reviewing product prices and invoices.
Tax-Inclusive Prices
Work backward from a tax-inclusive price to estimate the pre-tax amount.
Business Estimates
Quickly estimate sales tax during basic pricing and transaction calculations.
Important Information About Sales Tax
Sales tax rates, taxable products, exemptions, rounding methods, and filing requirements can vary by jurisdiction.
The calculator provides mathematical estimates based on the amount and tax rate you enter. It does not determine whether a particular transaction is legally subject to tax.
For actual transactions, use the applicable tax rules and current rates for the relevant jurisdiction.
FAQ
Frequently Asked Questions
What is sales tax?
Sales tax is a percentage added to the price of taxable goods or services. The applicable rate depends on the relevant jurisdiction.
How do I calculate sales tax?
Multiply the pre-tax price by the sales tax rate expressed as a decimal. For example, a 10% rate is 0.10.
What does tax inclusive mean?
Tax inclusive means the entered price already contains the applicable sales tax.
What does tax exclusive mean?
Tax exclusive means the entered amount is before sales tax. The calculator adds the tax to determine the final total.
Can I use this calculator for tax-inclusive prices?
Yes. Select Tax Inclusive and enter the total price. The calculator estimates the included tax and pre-tax amount.
Calculate Your Sales Tax in Seconds
Enter an amount and tax rate above to get a clear breakdown of your estimated tax and final total.