Montana Sales Tax Calculator (2026)
Montana charges no statewide sales tax — one of only five such states. Use the calculator below with a custom rate if a local levy applies where you shop.
Montana sales tax details
| State rate (2026) | 0% |
|---|---|
| Average combined rate | 0% |
| Tax on a $100 purchase (avg) | $0.00 |
| Tax on a $1,000 purchase (avg) | $0.00 |
Worth knowing: No general sales tax anywhere in Montana; only a few resort-area taxes exist.
Frequently asked questions
What is the sales tax rate in Montana?
Montana has no statewide sales tax in 2026. No general sales tax anywhere in Montana; only a few resort-area taxes exist.
How much is sales tax on a $1,000 purchase in Montana?
Nothing at the state level — a $1,000 purchase costs $1,000 wherever no local tax applies.
How do I remove sales tax from a total in Montana?
Divide the total by 1 plus the rate. For example, at 7%, a receipt total of $107 ÷ 1.0000 gives the pre-tax price. The calculator on this page has a "reverse" mode that does this for you.
Last reviewed January 15, 2026 for the 2026 tax year. Rates change — always confirm against the official sources below before making financial decisions.
- Montana Department of Revenue — official state tax authority
- Internal Revenue Service (IRS) — 2026 federal brackets, standard deduction and FICA
- Tax Foundation — state and average local sales tax comparisons