Montana W-4 Withholding Calculator 2026

Federal + Montana state income tax side-by-side.

Tip: Start from the federal W-4 calculator to pre-fill your pay and federal results here automatically.

Your Paycheck

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Filing Status

Credits & Adjustments (Optional)

Leave blank if you're not sure — these only affect your federal withholding.

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$2,000 per child under 17 · $500 per other dependent. Reduces your withholding.

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Add extra to cover side income, freelance, or investment income each paycheck.

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Non-wage income: freelance, dividends, rental income. Annual total.

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If you itemize and deductions exceed the standard deduction. Annual total.

File your Montana return

Total withholding per paycheck

$357

$9,282 / year

Annual gross$65,000
Federal per paycheck$236
Social Security + Medicare$191
State per paycheck$121
Est. take-home per paycheck$1,952

Gross pay minus federal, FICA, and state taxes

Federal

Taxable income$50,000
Income tax$6,146
Per paycheck$236
Effective rate9.5%
Marginal rate22.0%

Montana State Tax

Annual state tax$3,136
Per paycheck$121
Effective rate4.8%
Marginal rate5.9%

Montana simplified to two brackets in 2024 (4.7% and 5.9%).