Was this tool helpful?
How to use the Sales Tax Calculator
- 1Choose your country and state or province; the current rate fills in automatically.
- 2Pick whether to add tax to a price or remove tax from a total that already includes it.
- 3Enter the amount to see the tax, the total and the breakdown (state and local, or GST and PST).
Montana sales tax rates in 2026
Montana has no state sales tax and no local sales taxes, so most purchases are tax-free.
Montana has no general sales tax; a few resort areas charge a local resort tax.
| Rate | Percent |
|---|---|
| State sales tax | 0% |
| Average local sales tax | 0% |
| Highest local sales tax | 0% |
| Average combined rate | 0% |
Montana vs neighboring states
Shoppers near a state line often compare rates. Note that you may owe use tax in your home state on large purchases made elsewhere, such as cars.
| State | State rate | Avg. combined rate |
|---|---|---|
| Montana ★ | 0% | 0% |
| Wyoming | 4% | 5.56% |
| Idaho | 6% | 6.03% |
| South Dakota | 4.2% | 6.11% |
| North Dakota | 5% | 7.09% |
Sales tax by state and province
Frequently asked questions
What is the sales tax rate in Montana?
Montana has no state or local sales tax.
Are groceries taxed?
Many states exempt groceries and prescription medicine or tax them at a lower rate, while prepared food and restaurant meals are usually taxed. Check your state revenue department for exempt items.
How current are these rates?
State and average local rates are from the Tax Foundation's 2026 report (rates as of January 1, 2026), reviewed October 2026. Local rates can change during the year.