May 25, 2018 15:34 Updated Follow The Indiana Supreme Court provides a free online child support calculator at http://mycourts.in.gov/csc/parents/. The Indiana Child Support Rules and Guidelines at http://www.in.gov/judiciary/rules/child_support/ might also provide some assistance. Related articles How do I check on Child Support issues? Need Help? Have problems? Who do I call? What Agency? How can I check the status of my application or case? My court order directs me to pay my child support to the Clerk or INSCCU, but I have been paying my child support directly to the custodial parent; do I have to pay the annual support fee? How old does a child have to be before he/she can stay home alone?