Montana sales tax calculator
Montana has no state sales tax and no local sales tax: a $100 purchase costs $100.
Local rate prefilled with the state's average (Tax Foundation, July 1, 2026): type your city's rate for the exact figure. Calculated in your browser, nothing is sent.
Total with tax
$100.00
$0.00 sales tax at 0%
| Price | $100.00 |
|---|---|
| Sales tax (0%) | +$0.00 |
| Total | $100.00 |
Montana 0% + local 0%
Montana sales tax rate 2026
- State rate: 0%
- Average local rate: 0%
- Average combined rate: 0%, number 48 of 51 (national average 7.53%)
Sales tax on common purchases in Montana
Nothing is added in Montana; the same purchases in nearby states, at their average rates.
| Price | Idaho 6.03% | North Dakota 7.09% | South Dakota 6.11% | Wyoming 5.39% |
|---|---|---|---|---|
| $10 | $0.60 | $0.71 | $0.61 | $0.54 |
| $25 | $1.51 | $1.77 | $1.53 | $1.35 |
| $50 | $3.02 | $3.55 | $3.06 | $2.70 |
| $100 | $6.03 | $7.09 | $6.11 | $5.39 |
| $250 | $15.08 | $17.73 | $15.28 | $13.48 |
| $500 | $30.15 | $35.45 | $30.55 | $26.95 |
| $1,000 | $60.30 | $70.90 | $61.10 | $53.90 |
| $5,000 | $301.50 | $354.50 | $305.50 | $269.50 |
| $30,000 | $1,809.00 | $2,127.00 | $1,833.00 | $1,617.00 |
Montana and nearby states
Average combined rate and the tax on the same purchase. On $30,000, against $0 in Montana: Idaho $1,809 more, North Dakota $2,127 more, South Dakota $1,833 more, Wyoming $1,617 more.
| State | State rate | Average | On $100 | On $1,000 | On $30,000 |
|---|---|---|---|---|---|
| Montana | 0% | 0% | $0.00 | $0.00 | $0 |
| Idaho | 6% | 6.03% | $6.03 | $60.30 | $1,809 |
| North Dakota | 5% | 7.09% | $7.09 | $70.90 | $2,127 |
| South Dakota | 4.2% | 6.11% | $6.11 | $61.10 | $1,833 |
| Wyoming | 4% | 5.39% | $5.39 | $53.90 | $1,617 |
Sales tax and income tax in Montana
Single filer, 2026: Montana's income tax on wages next to the sales tax on $10,000 of taxable purchases ($0 at 0%).On $60,000 and $10,000 of purchases, Wyoming $539, South Dakota $611, North Dakota $709, Montana $2,063, Idaho $2,675, lowest first.
| Salary | Take-home | Montana wage taxes | + sales tax on $10,000 |
|---|---|---|---|
| $40,000 | $33,197 | $1,123 | $1,123 |
| $60,000 | $48,327 | $2,063 | $2,063 |
| $100,000 | $74,891 | $4,289 | $4,289 |
Montana taxes wages instead. See what a salary takes home there on the Montana paycheck calculator. Got a receipt with tax included? Use the reverse sales tax calculator. All states: sales tax calculator.
Frequently asked questions
What is the sales tax rate in Montana?
0%. Montana has no state or local sales tax (Tax Foundation, July 1, 2026).
How much is the sales tax on $100 in Montana?
$0.00 at the average rate of 0%, so you pay $100.00.
How do I calculate Montana sales tax?
There is nothing to add in Montana. If you buy in a neighboring state, its rate applies: use the calculator with that state.
Is Montana sales tax high?
Montana ranks 48 of 51 for the average combined rate, tied with Delaware, New Hampshire, Oregon: 0% against 7.53% nationwide (population-weighted).
Is it cheaper to buy in a state next to Montana?
On a $30,000 purchase taxed at the average rates, against $0 in Montana: Idaho $1,809 more, North Dakota $2,127 more, South Dakota $1,833 more, Wyoming $1,617 more. Vehicles follow rules of their own, not covered here.