Montana is one of five US states with no sales tax at any level. There is no state rate and no local rate - the price you see on the shelf is the price you pay at the register.
- Montana has no state sales tax and no local sales tax either - every purchase is 0%.
- The state is one of four with no sales tax at any level (Delaware, Montana, New Hampshire, Oregon). Alaska has no state tax but does levy local taxes in many cities.
- Montana has no state or local sales tax. It is one of five states with no sales tax, and uniquely prohibits local governments from imposing one. The state relies on income and property taxes.
How to calculate Montana sales tax
Montana charges no sales tax, so no calculation is needed. Every purchase is tax-free regardless of what you buy or where in the state you shop. The price on the sticker is the final price.
If you're a business collecting sales tax on behalf of another state (for example, selling online to customers in other states), see our US sales tax calculator hub to look up rates for any other state.
Montana sales tax rates 2025
Montana does not impose a sales tax at any government level. There is no state sales tax and no local sales tax. This makes it one of just five such states in the US, alongside Alaska (which allows local-only taxes), Delaware, Montana, and Oregon.
What is exempt from Montana sales tax?
Because Montana has no sales tax, all purchases are tax-free by definition - there is nothing to exempt.
Sales tax by city in Montana
There are no city or county sales taxes in Montana. All locations charge 0%.
Remove tax: find the pre-tax price
If you have a receipt and want to know what the item cost before tax, you need the reverse sales tax calculation. This is common when comparing advertised prices, calculating business expenses, or verifying a charge.
In Montana, the total price equals the pre-tax price since there is no sales tax to remove.
Montana sales tax tips
Montana shoppers enjoy a permanent advantage: every posted price is the final price. There are no seasonal tax holidays because there is no tax to holiday from. This also simplifies bookkeeping for small businesses - no tax to collect, no returns to file.
If you sell goods online and ship to customers in other states, you may still owe sales tax to those states under economic nexus rules (the South Dakota v. Wayfair 2018 Supreme Court decision). Use our state-by-state calculator hub to check rates for any state you sell to.
Frequently asked questions
What is the sales tax rate in Montana?
Montana has no state or local sales tax. The effective rate is 0% on all purchases statewide.
Are groceries taxed in Montana?
Groceries in Montana are: No sales tax. Prescription drugs are no sales tax, and OTC medications are no sales tax.
How do I calculate sales tax in Montana?
No calculation is needed. Montana has no sales tax, so the listed price is always the final price.
How do I remove sales tax from a total in Montana?
Montana has no sales tax, so the total always equals the pre-tax price.
How does Montana's sales tax compare to other states?
Montana has no sales tax at any level - one of four states with truly zero sales tax (Delaware, Montana, New Hampshire, Oregon). Alaska has no state rate but allows local taxes. Every other state levies at least some sales tax.