HowMuchChildSupport

Child support for 1 child in Massachusetts

Massachusetts guidelines effective December 1, 2025. Massachusetts overview

For 1 child, with Parent A earning $60,000 and Parent B $40,000, Massachusetts's guideline amount is $1,049 a month (Parent A pays Parent B).

This is the guideline amount, not a court order.

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Include wages, self-employment, bonuses, and other income the guidelines count.

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Guideline child support

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Child support for 1 child in Massachusetts by income

Monthly guideline amount for 1 child by Parent A's and Parent B's yearly income; the child lives mostly with Parent B (Parent A has 52 overnights a year).
Parent A incomeParent B $0Parent B $30,000Parent B $50,000Parent B $80,000
$20,000$139$139$139$139
$25,000$459$451$446$355
$30,000$550$546$533$451
$35,000$641$637$624$555
$40,000$732$724$706$676
$45,000$823$815$789$763
$50,000$919$910$875$832
$55,000$1,005$992$949$919
$60,000$1,092$1,075$1,044$988
$65,000$1,183$1,140$1,127$1,062
$70,000$1,270$1,226$1,187$1,135
$75,000$1,356$1,296$1,278$1,187
$80,000$1,443$1,387$1,352$1,265
$90,000$1,603$1,538$1,473$1,404
$100,000$1,751$1,681$1,621$1,551
$120,000$2,050$1,933$1,885$1,772
$150,000$2,418$2,297$2,214$2,102
$200,000$2,955$2,812$2,730$2,604
$250,000$3,415$3,272$3,185$3,107

Parenting time and child support for 1 child

Monthly guideline amount for 1 child by Parent A's income and overnights a year with Parent A; Parent B earns $40,000. "B→A" means Parent B pays.
Parent A income0 nights52 nights104 nights128 nights182 nights
$20,000$139$139$139$139$594 B→A
$25,000$451$451$451$451$282 B→A
$30,000$546$546$546$546$178 B→A
$35,000$637$637$637$637$82 B→A
$40,000$719$719$719$719$0
$45,000$810$810$810$810$95
$50,000$897$897$897$897$191
$55,000$971$971$971$971$264
$60,000$1,049$1,049$1,049$1,049$347
$65,000$1,131$1,131$1,131$1,131$438
$70,000$1,218$1,218$1,218$1,218$533
$75,000$1,283$1,283$1,283$1,283$589
$80,000$1,374$1,374$1,374$1,374$698
$90,000$1,508$1,508$1,508$1,508$875
$100,000$1,634$1,634$1,634$1,634$1,036
$120,000$1,902$1,902$1,902$1,902$1,369
$150,000$2,262$2,262$2,262$2,262$1,764
$200,000$2,760$2,760$2,760$2,760$2,327
$250,000$3,233$3,233$3,233$3,233$2,799

How the number of children changes the amount in Massachusetts

For one child, the guideline amount ranges from $139 a month when Parent A earns $20,000 to $3,233 a month at $250,000, with Parent B earning $40,000.

Massachusetts uses an income shares formula: Table A gives the support for one child from the parents' combined weekly available income, adjusted for the number of children and for children aged 18 or older, and each parent is responsible for their share of income.

Frequently asked questions

How much is child support for 1 child in Massachusetts on $50,000?

If Parent A earns $50,000 a year, Parent B earns $40,000 and the child lives mostly with Parent B, Massachusetts's guideline amount is about $897 a month (Parent A pays Parent B).

How much is child support for 1 child in Massachusetts on $100,000?

If Parent A earns $100,000 a year, Parent B earns $40,000 and the child lives mostly with Parent B, the guideline amount is about $1,634 a month (Parent A pays Parent B).

How much more is child support for 1 child than for one child in Massachusetts?

This page is for one child. With the same incomes, the guideline amount for two children is about $1,473 a month.

Does equal parenting time change child support for 1 child in Massachusetts?

With about equal parenting time and the same incomes ($60,000 and $40,000), the guideline amount is about $347 a month (Parent A pays Parent B), against $1,049 when Parent A has 52 overnights a year. With about equal time (Box one) or a split arrangement (Box three), the worksheet works out what each parent owes toward the children living with the other, checks it against each parent's income, and the parent who owes more pays the difference.

Official sources and verification

Guidelines effective December 1, 2025. Verified against the official Massachusetts sources on October 7, 2026. How we calculate →