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🧾 Sales Tax Calculator
Add or remove sales tax from any price in seconds.
$
Pre-tax Price
$100.00
Tax (8.25%)
$8.25
Total
$108.25
💡 U.S. Sales Tax Notes
Sales tax rates vary by state, county, and city. Common rates: California ~7.25%, Texas ~6.25%, New York ~4% (plus local), Florida ~6%. Five states have no state sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon.
How This Tool Works
A sales tax calculator determines the total amount due on a purchase by applying the applicable sales tax rate to the pre-tax price. Sales tax rates vary widely by state, county, and city in the United States — from 0% in states like Oregon, Montana, and New Hampshire, to over 10% in some California and Louisiana municipalities when state and local rates are combined. This tool helps you budget accurately for purchases, especially big-ticket items where even a small rate difference means real dollars.
💡 Tips & Best Practices
- 1Five US states have no sales tax: Alaska (no state tax, but local taxes may apply), Delaware, Montana, New Hampshire, and Oregon.
- 2The highest combined state + local rates are found in Tennessee (9.55%), Louisiana (9.55%), and Arkansas (9.51%).
- 3Many states exempt groceries, prescription drugs, and clothing from sales tax — check your state's rules.
- 4Online purchases are subject to sales tax based on your delivery address, not the seller's location.
Frequently Asked Questions
How do I calculate the pre-tax price from a total?
Divide the total by (1 + tax rate). Example: a $107.50 total with 7.5% tax → $107.50 ÷ 1.075 = $100 pre-tax price.
Is sales tax included in the listed price in the US?
Unlike most of Europe, US prices almost never include sales tax. The tax is added at checkout, so the price on the shelf is the pre-tax amount.
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