Free sales tax calculator with US state rates to compute tax amount, total price, or reverse-calculate tax from tax-inclusive prices.
States with No Sales Tax
AK, DE, MT, NH, OR
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Shopping in the US? Calculate the exact sales tax and total price on any purchase. Select your state for automatic rates, or enter a custom rate. Can also reverse-calculate to extract tax from a tax-inclusive price.
Sales tax is a consumption tax added to retail purchases, varying by state and locality. Five states have no sales tax (AK, DE, MT, NH, OR). Rates range from 2.9% (Colorado) to 7.25% (California). Local taxes can add 1-5% more in some areas.
Sales Tax Formula
Total = Price + (Price × Tax Rate)Know exact total before making purchases.
Compare real costs across different states.
Confirm correct tax was charged.
Alaska, Delaware, Montana, New Hampshire, and Oregon have no statewide sales tax. However, Alaska allows local sales taxes, so some areas do charge tax.