The calculator is intended to be used to estimate the amount of child support the court may order on a case. The calculator is intended to be used to estimate the amount of child support that the court may order on a case.Learn how to apply for child support services and find procedures for establishing parentage and custody, as well as payment and enforcement. The purpose of this packet is to help obtain a cost-of-living adjustment to a child support or spousal maintenance order. The legislature sets child support policy in Minnesota. Worksheets to calculate guideline amounts of maintenance and child support. Optional tools to help with calculations are below. The following calculator provides an estimate of a potential alimony award in the State of Minnesota. Gross income is your total income before taxes are taken out. They also look at things like other child or spousal support, and a parent's other legal children.