Montana Sales Tax Calculator
Montana charges no general statewide sales tax in 2026. Most purchases cost exactly the sticker price. Use the calculator below if you need to figure tax on an out-of-state purchase or a local levy that does apply.
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Preset to the Montana average combined rate (0%). The state rate alone is 0%. Adjust to match your city or county.
Good to know: Montana has no state or local general sales tax, though some resort areas levy local resort taxes.
How Montana sales tax works
Montanais one of the five NOMAD states (New Hampshire, Oregon, Montana, Alaska, and Delaware) with no statewide sales tax. Retailers there don't add tax at the register on general merchandise. Keep in mind that if you buy online from a seller in another state, that state's rules usually don't apply either; use tax may still be owed in your home state on major purchases brought across state lines.