Professional Montana child support calculations using the Income Shares Model with self-support reserve. Built for family law attorneys practicing in Montana District Courts.
Montana does not maintain an official online child support calculator—all calculations must be performed using worksheets and statutory formulas
Annual minimum reserve (self-support reserve) that each parent retains before child support calculation
Montana uses the Income Shares Model, looking at combined parental income to determine basic child support obligation.
Each parent must retain approximately $20,000 annually for their own basic living expenses before child support is calculated.
When a parent has 110+ days of parenting time annually, they qualify for a reduction in child support obligations.
The paying parent must pay at least 12% of their income for child support (minimum threshold).
Montana's formula-based approach ensures fair support allocation based on parental income shares
Combine all income sources for both parents: wages, self-employment, bonuses, commissions, rental income, investment income, and other regular income.
Subtract allowable deductions: federal/state income taxes, FICA, health insurance, mandatory retirement contributions, and support for other children.
Each parent retains approximately $20,000 annually. This reserve is subtracted from net income before support is calculated.
Divide available income (after reserve) between parents based on their percentages, then apply percentage-based child support obligation.
If the non-custodial parent has 110+ days annually, adjust the support obligation accordingly to reflect shared care costs.
Ensure the calculated support is at least 12% of the paying parent's available income (the minimum floor).
All calculations follow Montana's ARM Title 37, Ch. 62, Subchapter 1 requirements, ensuring compliance with Montana court standards.
Automatically calculates and applies the approximately $20,000 annual self-support reserve per Montana law.
Calculates shared parenting reduction when custodial parent has 110+ days of parenting time annually.
Provides detailed worksheet calculations for Montana's Income Shares Model with all components shown for court presentation.
Automatically ensures child support meets the 12% minimum threshold of paying parent's income.
Generate completed Montana child support worksheets and court forms for District Court filing.
Purpose-built for Montana family law practice
Forms formatted specifically for Montana District Courts handling child support matters.
Montana guidelines are reviewed every 4 years. Next review: December 2028. Juno updates with any changes.
Accurate calculations for multiple children with appropriate obligation adjustments per Montana guidelines.
Handle self-employed parents with Montana-specific income calculations and business expense deductions.
Join Montana family law attorneys using Juno for accurate child support worksheets and calculations per ARM Title 37.
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