Sales Tax Calculator
Free online Sales Tax Calculator.
Calculator
How to Use
- Enter the required values
- Click Calculate to see the result
- Review the detailed output
Formula
Sales Tax = Price x Tax Rate. Total = Price x (1 + Tax Rate). Pre-tax price = Total / (1 + Tax Rate). Rates vary by state and locality.
Example Calculations
Add Tax
Input: Price: $99.99, Tax rate: 8.25%
Result: Tax: $8.25, Total: $108.24
Remove Tax
Input: Total: $108.24, Tax rate: 8.25%
Result: Pre-tax: $99.99, Tax: $8.25
Find Rate
Input: Price: $200, Total: $214
Result: Tax rate: 7%, Tax amount: $14
About This Calculator
Free online sales tax calculator. Calculate instantly in your browser with our easy-to-use tool. No sign-up required.
Our sales tax calculator is free, easy to use, and provides instant results. All calculations are performed in your browser for privacy and speed.
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Frequently Asked Questions
How is sales tax calculated?
Multiply price by tax rate. $100 at 7% = $7 tax, total $107.
Sales tax vs VAT?
Sales tax at final sale only. VAT at each production stage.
All US states have sales tax?
No. Alaska, Delaware, Montana, New Hampshire, and Oregon have no statewide sales tax.
Pre-tax price from total?
Divide total by (1 + rate). $107 at 7% = $100 pre-tax.
Online purchases taxed?
After 2018 Wayfair decision, most states require online retailers to collect sales tax.