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Calculate Child Support Payments in Massachusetts 

The calculator below will estimate your monthly child support payment based on Massachusetts's child support guidelines.

To use the child support calculator, select or enter the appropriate information next to each statement.

When you have completed the form, click on the calculate button to get an estimate of the amount of child support that the non-custodial parent will have to pay to the custodial parent in Massachusetts.

Modifying your Massachusetts Child Support Order
In Massachusetts, modifications to child support orders must receive approval from the court, as only the court can modify child support obligations. Read the following information to learn how to start the process of modifying your child support order.

If you already have a pre-existing child support order with the Department of Revenue (DOR) and your youngest child is under 17 ½, you may be eligible to request that your child support order be modified. The Child Support Enforcement Division of the DOR can help you through the process of requesting an administrative hearing from the court. Following is the process you will need to take in order to modify your Massachusetts child support order:

  • File a Complaint for Modification form (the form will be mailed to the other parent)
  • Wait several weeks for a court hearing
  • Compile evidence regarding your ability to pay
  • Attend a court hearing 

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