Tip: Start from the federal W-4 calculator to pre-fill your pay and federal results here automatically.
Your Paycheck
Filing Status
Credits & Adjustments (Optional)
Leave blank if you're not sure — these only affect your federal withholding.
$2,200 per child under 17 · $500 per other dependent. Reduces your withholding.
Add extra to cover side income, freelance, or investment income each paycheck.
Non-wage income: freelance, dividends, rental income. Annual total.
If you itemize and deductions exceed the standard deduction. Annual total.
Full Montana bracket data coming soon.
The state effective rate shown is an estimate based on the top marginal rate. Federal calculation is fully accurate.
File your Montana return
Total withholding per paycheck
$305
$7,932 / year
Gross pay minus federal, FICA, and state taxes
Federal
Montana State Tax
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Montana uses the MW-4
Montana employees use Form MW-4, the Montana Employee's Withholding Allowance and Exemption Certificate, and the Department of Revenue recommends updating it every year. For 2026 the withholding method no longer uses Montana personal or dependent exemptions or the Montana standard and itemized deductions. It follows the federal standard deduction for your filing status.
How Montana calculates withholding for 2026
In the Employer and Information Agent Guide, annual wages up to the federal standard deduction are not withheld on: $16,100 for single filers (and married filing separately or a couple who both work), $32,200 for married filing jointly and $24,150 for head of household. Above that, 4.7% applies up to $63,600 for single filers ($127,200 joint, $95,400 head of household), and 5.65% above. The top rate fell from 5.9% to 5.65% for 2026. Amounts withheld are rounded up to the nearest dollar.
For example, a single employee paid $2,950 every two weeks ($76,700 a year) has $2,233 plus 5.65% of the amount over $63,600 withheld, about $114 per paycheck. Montana and North Dakota have a reciprocal agreement covering wages paid to each other's residents.
Montana W-4 FAQ
What are Montana's withholding rates for 2026?+
4.7% up to $63,600 of annual wages for a single filer and 5.65% above that, after an untaxed amount equal to the federal standard deduction.
Does Montana use my federal standard deduction?+
Yes. The 2026 method follows the federal standard deduction for your filing status, and no longer uses Montana exemptions.
Which Montana table does head of household use?+
A separate head of household table: untaxed to $24,150, 4.7% to $95,400, then 5.65%.
How are Montana amounts rounded?+
Withholding is rounded up to the nearest dollar.
Does Montana have local income tax?+
No. Montana cities and counties do not tax wages.
Start with your federal W-4
Your Montana withholding follows your pay, but your W-4 is federal. Get the exact lines to fill in.
Open the W-4 Calculator →