Montana Capital Gains Tax Calculator
2026 rulesEnter your sale to see the federal tax, Montana tax and what you keep.
Your numbers
Result
Total tax on the sale
- Gain$70,000
- Federal: taxed at 0% / 15% / 20%0 / 70,000 / 0
- Federal long-term capital gains tax-$10,500
- Net investment income tax$0
- Montana tax on the gain-$2,870
- Total tax-$13,370
- Montana share of the gain4.10%
- Combined rate on the gain19.1%
- You keep from the sale$106,630
Montana at a glance
- How it's taxed
- Montana taxes net long-term capital gains at 3% while your taxable income stays in the lower bracket, and 4.1% above it.
- State rates
- Montana taxes income at 2 rates from 4.70% to 5.65%.
Questions
Does Montana tax capital gains?
Montana taxes net long-term capital gains at 3% while your taxable income stays in the lower bracket, and 4.1% above it.
How are long-term gains taxed federally in 2026?
At 0%, 15% or 20%, depending on your taxable income. For a single filer, the 0% rate applies up to $49,450 of taxable income and 20% above $545,500; the 3.8% NIIT applies above $200,000 of MAGI.
Do I owe Montana tax if I sell after moving away?
States tax gains on stocks and funds based on where you live when you sell. Gains on real estate are taxed by the state where the property is, even if you live elsewhere.