The Massachusetts Probate Court website gives you access to most required forms, including complaints required to begin a case in court, and financial forms required during the process.  The website also has answers to a multitude of  questions and concerns of many people as well as information to assist you.  Click below to be guided to that website. 

Click below for the 2017 Massachusetts Child Support Guidelines worksheet.   This worksheet focuses on the income of both parents in an attempt to ensure that children enjoy the same standard of living in each household.  You can personalize it with the facts of your situation.

Child support is established via the Child Support Guidelines, which underwent a change in September 2017.   A review of the Guidelines  may answer many of your  questions.  You can access the Child Support Guidelines booklet here, which explains how child support is established and modified in Massachusetts.