Montana Online Child Support Calculator

Do You Need to Calculate Child Support for Your Parenting Plan or Dissolution?

Are you representing yourself in a court case involving a marital dissolution or parenting plan?

Do you need to calculate child support for your case?


Use the Montana Online Child Support Calculator to calculate your own child support!


  • Answer questions about your income, assets, parenting arrangements, etc.
  • The Calculator will calculate child support for you.
  • The Calculator will create the forms you need to file to establish child support in your dissolution or parenting plan case.
  • For more information call the MLSA HelpLine at 1-800-666-6899 M-Thurs 7:30am-6:00pm and Fridays 8:00am-5:00pm

Brought to you by Montana Legal Services Association (MLSA) with the expertise of the State of Montana Child Support Enforcement Division

Click here for a free downloadable flier.