Montana Cost Calculators
9 free calculators built on real Montana data — filing fees, attorney rates, and regulations specific to MT.
Legal & Law3 calculators
How Much Does Divorce Cost in Montana (2026)
Montana divorce costs $2,016-$23,951+. Montana is a pure no-fault state — the sole ground for dissolution. Estimate filing fees, attorney costs, and mediation.
How Much Does Child Custody Cost in Montana (2026)
Montana child custody cost estimate for Billings: § 40-4-212, $120-200 filing fees, $250-400/hour lawyer rates, evaluator, GAL.
DUI Cost in Montana (2026)
DUI cost in Montana: estimate fines, court costs, license actions, IID, treatment, attorney fees, and insurance impact using official state sources.
Home & Property2 calculators
HVAC Replacement Cost in Montana (2026)
HVAC replacement cost in Montana: estimate labor, equipment, climate load, energy code, permits, ductwork, and efficiency factors.
Roof Replacement Cost in Montana (2026)
Roof replacement cost in Montana: estimate labor, shingles, tear-off, pitch, permit, and climate factors using BLS, FRED, local code, and NOAA data.
Money & Finance2 calculators
Montana After-Tax Income Calculator (2026)
Montana after-tax income calculator (progressive up to 5.90%). TY2026 federal + Montana + FICA — see your biweekly, weekly, or monthly take-home.
Montana Capital Gains Tax Calculator (2026)
Calculate capital gains tax in Montana (progressive up to 5.90%) with federal 0-20% + 3.8% NIIT. Free calculator with TY2026 brackets.