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Montana State Tax Calculator

Calculate your Montana state income tax combined with federal taxes. Get accurate estimates for tax planning in Montana.

Montana Tax Quick Facts

Tax System
Progressive Brackets
Top Tax Rate
6.75%
Tax Brackets
7 brackets
No Sales Tax
Tax advantage

Calculate Your Tax

About Montana Income Tax

Montana levies a state income tax with rates ranging from 1% to 6.75%. The state has no sales tax.

  • Progressive tax system with seven brackets
  • Top rate of 6.75% for highest earners
  • No state sales tax - major benefit
  • Standard deduction available

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