Looking to calculate monthly child support in Massachusetts? Our Massachusetts Child Support Calculator is designed to help parents quickly estimate their expected payments based on 2025 guidelines. It’s a free, simple, and mobile-friendly tool ideal for parents, lawyers, or mediators.

Why Use a Massachusetts Child Support Calculator?

Massachusetts uses an Income Shares Model but adds unique adjustments for health insurance, childcare, and shared custody. This tool is perfect for:

  • Estimating payments

  • Planning for divorce or separation

  • Legal consultations

  • Support modifications

Features:

  • Accurate estimate using 2025 data

  • Works on mobile and desktop

  • No login or registration

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How to Use This Calculator

  1. Enter the monthly net income of the paying parent

  2. Select the number of children

  3. Add any childcare and health insurance costs

  4. Enter other court-ordered support

  5. Click Calculate Support to see the estimate

📌 Note: This tool gives a simplified estimate and doesn’t replace official court calculations.

Massachusetts Child Support

How Child Support Works in Massachusetts

Massachusetts uses an Income Shares Model similar to most U.S. states, but with its own formula and rules that reflect the cost of raising children in the state. It assumes both parents contribute proportionally to the child’s needs.

The formula considers:

  • Gross weekly income of each parent
  • Parenting time (shared, split, or sole custody)
  • Childcare and health insurance costs
  • Other children from different relationships
  • Deductions like support paid for other children

The final obligation depends on parenting type and financial inputs.

Key Factors in Massachusetts Child Support

Gross Weekly Income
Includes salaries, bonuses, commissions, and income from self-employment, rental property, or investments.

Health Insurance & Childcare
Mandatory expenses like medical coverage and daycare are divided between parents proportionally.

Support for Other Children
If a parent is already paying court-ordered support for other children, the amount may be deducted from gross income.

Minimum & Maximum Support
The minimum presumptive order is $12/week, and support caps out based on combined income exceeding $400,000 annually.

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FAQs – Massachusetts Child Support

How is child support calculated in Massachusetts?

The state uses an Income Shares Model based on both parents’ incomes, with adjustments for custody and child-related expenses.

Does this calculator account for shared custody?

It provides a general estimate. For shared custody, courts may adjust the final support order.

Is this result legally binding?

No. It’s a guideline estimate only and should not be used in place of legal or court advice.

Disclaimer: This calculator provides an unofficial estimate based on simplified Massachusetts child support guidelines. It is not legal advice. For exact calculations or legal use, consult the Alabama Department of Human Resources or a qualified attorney.