Montana sales tax calculator (2026)
Montana has no statewide sales tax. Enter an amount below — and adjust the rate if a local tax applies.
Rate pre-filled with Montana's local average. Local rates vary — enter your city/county rate for an exact total. Estimate only, not tax advice.
Montana sales tax rate
Montana is one of a handful of states with no statewide general sales tax, so most retail purchases are not taxed at the state level. There is also no general local sales tax on most goods. When you invoice a client in Montana, you generally don't add sales tax to taxable goods — but always confirm rules for your specific product or service.
| State rate | 0% |
|---|---|
| Combined avg (state + local) | 0% |
Rates as of January 1, 2026 (source: Tax Foundation). Verify the current rate for your locality with the Montana Department of Revenue before filing.
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Create a free invoiceFrequently asked questions
What is the sales tax rate in Montana?
Montana does not levy a statewide sales tax, so most purchases have no sales tax added.
How do I calculate sales tax in Montana?
There's no sales tax to add in Montana — the total equals the purchase price.
Do I still pay local sales tax in Montana?
Montana has neither a state nor local general sales tax on most goods.