Montana Tax Calculator
Montana Income Tax Calculator 2025
Calculate your federal and Montana state income taxes for 2025.
State Tax Type
flat
Top Rate
5.90%
Std Deduction (Single)
$14,600
Personal Exemption
None
Income Details
Enter your Montana income
$
Montana Tax Results
Federal + State taxes
Total Tax Liability
$17,415
Effective rate: 23.2%
Federal
$8,114
MT State
$3,564
FICA
$5,738
After-Tax Income
$57,585
$4,799/month
Montana Tax Breakdown
Gross Income$75,000
Federal Income Tax-$8,114
Montana State Tax-$3,564
FICA (SS + Medicare)-$5,738
Net Income$57,585