Montana Sales Tax Calculator

Free Montana sales tax calculator 2026. 0% state sales tax. No sign-up.

How Montana Sales Tax Works

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.

Montana Sales Tax Key Rates (2026)

Montana State Rate

Montana Local Rate

Montana Combined Rate

Tax on $1,000

$0.00

No-Tax States

DE, MT, NH, OR (AK: local only)

Montana Sales Tax FAQ

Does Montana have sales tax?

No. Montana has no state sales tax and no local sales taxes either. Most purchases in Montana are tax-free at the point of sale.

How does Montana fund government without 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.

Are there any taxes on purchases in Montana?

No. Most retail purchases in Montana are completely tax-free. There is no state or local sales tax on goods and services at the point of sale.

Do I pay sales tax on online purchases in Montana?

Generally no. Since Montana has no state sales tax, online retailers don't collect Montana sales tax. However, if the retailer has a physical presence in another state that charges sales tax, the rules can vary. For most online shopping, Montana residents don't pay sales tax.

Is it worth driving to Montana to avoid sales tax?

It depends on what you're buying. On a $1,000 purchase in a state with 8% sales tax, you'd save $80. On a $10,000 purchase, that's $800. For big-ticket items, the savings can justify a trip, especially if you live near the Montana border. Just remember that your home state may require you to report and pay use tax on out-of-state purchases.

Nearby State Sales Tax Calculators

All 50 States North Dakota (6.85%)South Dakota (6.40%)Wyoming (5.36%)Idaho (6.03%)

Rachel MitchellCPA

Lead Tax Analyst & Editorial Director, TheTaxCalc

Rachel Mitchell is a Certified Public Accountant (CPA) licensed in Illinois with over 12 years of experience in individual and small-business taxation. She specializes in federal and state income tax compliance, FICA optimization, payroll tax strategy, and multi-state tax planning. Rachel holds an MS in Taxation from Golden Gate University and a BS in Accounting from the University of Illinois Urbana-Champaign. She is an active member of the American Institute of Certified Public Accountants (AICPA) and the Illinois CPA Society. Before joining TheTaxCalc, Rachel spent 8 years at a Big Four accounting firm advising high-net-worth clients on tax-efficient wealth strategies.

Reviewed: January 2026Tax data verified against IRS Publication 15-T & state revenue departments