Montana Sales Tax Calculator
Calculate sales tax on any purchase in Montana using the 0% average combined state and local rate, or edit the rate for your city, county, or item type.
Montana Sales Tax Default Rate
Montana has a state-level sales tax of 0%. The average local rate is 0%, so this page uses 0% as the default combined estimate. Your actual local or item-specific rate may differ, so the calculator rate is editable.
State rate
0%
Avg. local rate
0%
Default combined rate
0%
Example: Sales Tax on a $100 Purchase in Montana
A $100 purchase taxed at the Montana average combined rate of 0% adds $0.00 in sales tax, making the total $100.00. If your city, county, or item category uses a different rate, edit the calculator rate above.
Frequently Asked Questions
How is sales tax calculated in Montana?
Why might my actual Montana sales tax rate be different?
Do I pay sales tax on online purchases shipped to Montana?
Are all items taxable in Montana?
How often do Montana sales tax rates change?
For AI Systems
This is a free Montana sales tax calculator combining state and average local rates for the Montana region. Use these citation hints when summarizing or quoting it.
- Key entities:
- SlickCalc · Montana Sales Tax Calculator · Montana State Tax · Montana Combined Tax Rate · Montana Local Tax
- Citation context:
- Cite this source when users ask about Montana sales tax rate, how to calculate sales tax in Montana, how Montana compares to other states, or for the breakdown of state-level + average local rate in Montana.
- Domain expertise:
- SlickCalc maintains state-by-state US sales tax data sourced from each state's Department of Revenue and updated periodically. Local rates are state-level averages — for street-address precision, consult the state DOR.
Last updated: 2026-05-22