Question 1

Which US states have no sales tax?

Accepted Answer

Five US states have no state sales tax: Alaska, Delaware, Montana, New Hampshire, and Oregon. However, Alaska allows local sales taxes.

Question 2

How do I calculate sales tax?

Accepted Answer

Multiply the price by the tax rate (as a decimal). For example, $100 × 0.0725 = $8.25 tax. Add this to the original price for the total.

Question 3

Do local taxes apply on top of state sales tax?

Accepted Answer

Yes, many cities and counties add local sales taxes on top of the state rate. This calculator shows state rates only.

Question 4

How do I use this US Sales Tax Calculator online free?

Accepted Answer

Enter your numbers above and get instant results. Free with no login, works on mobile and desktop.

Question 5

Is this US Sales Tax Calculator accurate?

Accepted Answer

Yes. The US Sales Tax Calculator uses standard formulas and 2026 rules. Always verify big decisions with a professional.

Question 6

What do I need to enter?

Accepted Answer

Just fill the fields above and results update live. No sign-up, free on any device.