Sales Tax Calculator by State
Calculate exact sales tax for any US state instantly. Perfect for Etsy, Shopify, Amazon, and online sellers. Add local tax rates and see tax amount plus total price.
Sales Tax Calculation Formula
Sales tax is applied as a percentage of the sale price. Combined rate includes state plus average local taxes.
State rates shown are 2025 base rates. Local (city/county) rates vary significantly within a state. Economic nexus rules under South Dakota v. Wayfair require online sellers with $100,000+ in-state sales to collect tax.
How to Use the Sales Tax Calculator by State
Enter the sale price of your item
Input the item price before tax. For multiple items, enter the subtotal.
Select the destination state
For online sales, use the buyer's state (destination-based sourcing applies in most states).
Add local tax rate (optional)
If you know the buyer's city or county rate, add it here for a more precise calculation.
View your tax amount and total
The calculator shows the exact tax amount, effective combined rate, and total price the buyer pays.
Real-World Scenario Example
"An Etsy seller ships a $49.99 handmade product to a buyer in Tennessee."
Inputs
Result
Tennessee state rate: 7%. Local rate: 2.55%. Combined: 9.55%. Tax: $4.77. Total: $54.76.
Important Disclaimer
Sales tax rates shown are 2025 statewide rates. Local rates vary by city and county. Always verify current rates with your state's department of revenue before filing.
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