Montana Tax Calculator
Accurately calculate your Montana state taxes for 2026. Understand your full tax burden including federal, state, and local taxes.
Why calculating tax in Montana is different
Montana has no sales tax.
State Income Tax
4.7% - 5.9%
Base Sales Tax
None
State Min Wage
$10.30 / hr
Abbreviation
MT
Montana Tax Interactive Tool
This calculator uses the latest 2026 data for Montana, including the minimum wage of $10.30 and the specific state income tax rates (4.7% - 5.9%).
Frequently Asked Questions about Montana Tax
Does Montana have a state income tax?
Yes, Montana imposes a state income tax. The current rate is 4.7% - 5.9%. Be sure to factor this into your overall tax planning.
What is the base sales tax in Montana?
The base state sales tax in Montana is 0%. Local municipalities may add additional local sales taxes on top of this rate.
How can I lower my taxes in Montana?
You can lower your Montana tax liability by maximizing contributions to tax-advantaged accounts like 401(k)s and IRAs, and by taking advantage of Montana-specific tax credits and deductions.