US Sales Tax Calculator
Calculate sales tax amount and total price including tax.
Regional Rule Context
United States Rates and Rules
Tax Rates
Exemptions
- -Alaska, Delaware, Montana, New Hampshire, Oregon have no state sales tax
- -Most groceries are exempt in many states
- -Prescription medications are exempt in all states
Enter Values
Result
Enter values above and click Calculate to see your result.
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US sales tax varies by state and locality. The rate shown is the average state-level rate. Combined state + local rates can exceed 11% in some jurisdictions. Five states have no state sales tax.
Disclaimer: This calculator uses publicly available rules effective as of Jan 1, 2026 (version 1.0). Results are for informational purposes only. Always verify with official sources or a qualified professional. Last reviewed: Mar 1, 2026.
Formula
Multiply the pre-tax price by the tax rate percentage to find the tax amount, then add to the price.
United States FAQs
How is sales tax calculated in the US?
Sales tax is applied at the point of sale. The rate depends on the state and locality where the purchase is made. Multiply the item price by the combined tax rate.
Do all states have sales tax?
No. Alaska, Delaware, Montana, New Hampshire, and Oregon have no state-level sales tax, though some allow local taxes.
Do I have to pay sales tax on online purchases?
Yes, in most states. Since the 2018 Wayfair decision, online retailers must collect sales tax in states where they have economic nexus.
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