2026 tax year · updated Oct 10, 2026

Montana sales tax calculator

Montana has no state or local sales tax.

Total with tax

$100.00

Combined rate 0%

Price before tax: $100.00
State sales tax (0%): $0.00
Local sales tax (0%): $0.00
Total sales tax: $0.00

Rates as of July 1, 2026 from the Tax Foundation, State and Local Sales Tax Rates. Some items (often groceries or medicine) are taxed differently; check your state's rules.

Montana vs. neighboring states

Sales tax in Montana and neighboring states
State	State rate	Avg. local	Combined
North Dakota	5%	2.09%	7.09%
South Dakota	4.2%	1.91%	6.11%
Idaho	6%	0.03%	6.03%
Wyoming	4%	1.39%	5.39%
Montana	0%	0%	0%

Rates as of July 1, 2026: Tax Foundation, State and Local Sales Tax Rates. Local rates vary by city and county; check with the Montana revenue department for an exact address.

Montana sales tax FAQ

What is the sales tax rate in Montana?

Montana has no state or local sales tax.

How much is the sales tax on $100 in Montana?

Nothing.