Montana Sales Tax Calculator

    Work out the sales tax on a purchase in Montana. Enter an amount to see the MT state tax, average local tax and the total price including tax.

    State rate:0.00%Avg local rate:0.00%Combined:0.00%

    Inputs

    $

    Estimate only — not tax advice. Montana 2026 figures; verify with the Montana Department of Revenue (mtrevenue.gov).

    Results

    Total with tax
    $100.00
    0.00% combined
    Sales tax
    $0.00
    State portion
    $0.00
    0.00%
    Avg local portion
    $0.00
    0.00%

    Montana has no sales tax

    Montana is one of the few states with no statewide or local sales tax, so the price on the shelf is the price you pay.

    Montana has no general sales tax.

    That makes Montana a popular place for big-ticket purchases, though other taxes such as income or property tax are often higher to compensate.

    State vs local sales tax in Montana

    The state portion is fixed across Montana; the local portion varies by jurisdiction, which is why two towns can charge different totals.

    This calculator uses the average local rate. For an exact figure, check the combined rate for the specific ZIP code where the sale takes place.

    What is taxed in Montana

    Most physical goods are taxable. Many states exempt or reduce tax on groceries, prescription drugs and some services, so rules vary by category.

    This is a planning estimate of average combined sales tax. Confirm the rate and what is taxable with the Montana Department of Revenue (mtrevenue.gov).

    Frequently asked questions

    What is the sales tax rate in Montana?

    The Montana state rate is 0.00%, and the average combined state-and-local rate is about 0.00%.

    How do I calculate Montana sales tax?

    Multiply the purchase amount by the combined rate. This calculator does it for you and shows the state and local portions separately.

    Why is my local rate different?

    Counties and cities set their own local sales tax, so the total varies by location. This tool uses the state average; your exact ZIP code may differ.

    Are groceries taxed in Montana?

    Many states exempt or reduce tax on groceries and prescriptions. Check the Montana Department of Revenue (mtrevenue.gov) for the categories that apply where you shop.

    Sources & method

    How this is calculated: Purchase amount × the combined rate — Montana state 0.00% plus the average local rate 0.00%.

    Source: Montana Department of Revenue · 2026 figures, estimate only — not tax advice.

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