Massachusetts Child Support Calculator
General information, not legal advice.
How Massachusetts sets child support
Massachusetts sets child support by the worksheet method under Massachusetts Child Support Guidelines. The rule has been in force since December 1, 2025.
- Coverage
- Calculated by the support engine
- Method
- worksheet
- Source
- Massachusetts Child Support Guidelines (Trial Court, eff. Dec. 1, 2025), G.L. c.208 s.28, c.209 s.37, c.209C s.9; Guidelines Worksheet CJD 304 (12/1/25)
- In force from
- December 1, 2025
- Rule version
- 2025-12-01
- Inputs it needs
- Box, Parent A, Parent B
- Optional inputs
- Social Security dependency credit weekly
Rule details as of 2026-10-25. The calculator above reads the current rule. Where the rule gives no formula, no figure is shown.
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