Montana Paycheck Calculator
Last updated: August 22, 2026
Estimate your Montana take-home pay using the state's simplified two-bracket tax system, plus federal tax and FICA, broken down per paycheck.
This tool gives an educational estimate using general 2026 reference figures. Verify exact current-year numbers with the Montana Department of Revenue or a tax professional before relying on this for filing.
USD
Take-Home Pay Per Paycheck
$0
$0 annually
Montana's simplified two-bracket system
Montana significantly simplified its income tax structure in recent tax reform, moving from seven brackets down to just two, while also lowering the top rate.
4.7% on income up to $21,600
5.65% on income above $21,600 (single filer)
5.65% on income above $21,600 (single filer)
Unlike many states, Montana does not double these thresholds for married filers — the same dollar amounts apply regardless of filing status, though total household tax still depends on combined income and deductions.
Montana's income-based standard deduction
Standard Deduction = 20% of income, floor $2,830, cap $5,660 (single)
Rather than a flat standard deduction, Montana calculates it as a percentage of income within a minimum and maximum range, which this calculator applies automatically.
Other Montana tax notes
- Montana has no general state sales tax, which is factored into its relatively moderate overall tax burden despite meaningful income tax rates.
- A capital gains credit of roughly 2% can reduce tax owed on qualifying Montana capital gains.
- Montana allows a federal income tax deduction on the state return in some cases, which isn't modeled in this simplified calculator.
Frequently asked questions
Why does Montana only have two tax brackets?+
Montana passed tax reform that consolidated its previous seven-bracket system into two brackets while lowering the top marginal rate, aiming for a simpler and more predictable tax structure.
Does Montana tax Social Security benefits?+
No, Montana fully exempts Social Security benefits from state income tax, which this paycheck calculator doesn't need to model since it focuses on active wage income.
Is Montana's standard deduction the same for everyone?+
No — it's calculated as 20% of your income, but capped within a minimum and maximum range, so it varies somewhat depending on how much you earn.
Do married couples get double the tax bracket thresholds?+
No, unlike many states, Montana applies the same bracket dollar thresholds regardless of filing status, which is an important difference from federal tax brackets.
Why is there no local sales tax factored in here?+
This is a paycheck calculator focused on income tax withholding, not consumption taxes. Montana has no general state sales tax, though some resort areas impose a local option tax on certain purchases.