Sales Tax Calculator
Add or extract sales tax from prices
How to Use
Choose calculation mode
Select Add Tax, Extract Tax, or Find Tax Rate.
Enter values
Input the price and tax rate (or select from common state rates).
Get results
See the pre-tax price, tax amount, and total.
Frequently Asked Questions
How do I add sales tax to a price?
Multiply the price by (1 + tax rate / 100). For example, $100 with 8% tax: $100 × 1.08 = $108.
How do I extract tax from a total?
Divide the total by (1 + tax rate / 100). For example, $108 with 8% tax: $108 ÷ 1.08 = $100 pre-tax price.
Are these tax rates accurate?
The rates shown are base state rates and may not include local taxes. Always verify with your local tax authority for precise calculations.
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