Montana Sales Tax Calculator

Montana has 0% state sales tax. Montana has no state sales tax and no local sales taxes. The state relies on income tax and property tax to fund government services. Montana voters have rejected sales tax proposals multiple times. This means when you buy most goods and services in Montana, no sales tax is added to the purchase price. A $100 item costs $100 — not $107 or $108 like in most other states.

Montana charges a state income tax (1% to 5.9%) and property taxes. Some tourist-heavy areas near national parks have considered resort taxes, but statewide sales tax remains at 0%.

Montana is one of only four US states with zero sales tax at both the state and local level (Delaware, Montana, New Hampshire, Oregon). Alaska has no state sales tax but allows local taxes. For shoppers, Montana is about as good as it gets — no surprise taxes at the register.

If you're shopping online from Montana, you generally won't pay sales tax on most purchases since there's no Montana sales tax to collect. However, if an out-of-state retailer has a physical presence in a tax-collecting state, the rules can get complicated. For most everyday online shopping, Montana residents enjoy tax-free purchases.

Curious how Montana compares to neighboring states? Nearby states like North Dakota, South Dakota, Wyoming do charge sales tax, so cross-border shopping trips from those states into Montana are common. Use our general sales tax calculator to see rates for any state.