Unlike a child support order in Minnesota—which is based on a specific calculation—there is no formula for judges to use to setting alimony. Alimony in Florida: Florida Alimony Law FAQs.What are Frequently Asked Questions for Alimony in FL? In Minnesota, alimony (spousal maintenance) isn't guaranteed. The law lets judges and spouses decide if either needs spousal support, how much, and how long. Minnesota child support guidelines consider the income and parenting time of each parent. Learn more about child support payments and legal guidelines. Minnesota has an on-line calculator that can be used to estimate the amount of child support a court might order. The calculator is intended to be used to estimate the amount of child support the court may order on a case. One of the parents has had a substantial decrease or increase in the parent's income.