Montana Sales Tax Calculator
Montana has no state sales tax, but local taxes may apply. Use the calculator with your local rate to add or remove sales tax from a price.
Price including sales tax
$100.00
- Net amount
- $100.00
- Sales tax at 0%
- $0.00
- Gross amount
- $100.00
Montana sales tax rates
| Rate | What it is |
|---|---|
| 0% | State sales tax rate |
| 0% | Average local sales tax (cities, counties and districts) |
| 0% | Average combined state and local rate |
No local sales tax. The rate you charge depends on where the sale takes place, so check the rate for your city or county.
Recent changes and things to know
No general state sales tax; some resort towns charge a local resort tax.
Montana sales tax: frequently asked questions
What is the sales tax rate in Montana?
Montana has no state sales tax. No local sales tax.
Do I charge Montana sales tax on services?
It depends on the service. Most US states tax sales of goods and only some services, and each state has its own list. Check with the Montana tax department, linked under sources, before you add sales tax to an invoice for services.
Is this sales tax calculator free?
Yes. It is free, needs no sign-up and runs in your browser, so nothing you type is sent to BunnyDoc.
Sources
Rates checked in October 2026. Tax rates and rules change, and what you charge depends on what you sell and to whom, so check the official sources above or ask an accountant. This page is general information, not tax advice.
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