WorksheetsWorksheets to calculate guideline amounts of maintenance and child support. Optional tools to help with calculations are below.A calculator for determining temporary maintenance and child support payments in New York State. The formula uses the parties' incomes and salary, as well as whether or not child support is being paid to perform a calculation. New York Alimony or Maintenance Calculator that calculates alimony or maintenance payable based on a state formula. Commitment to supporting our children. Self-Service. Make payments, estimate support, find contact information, and request forms. Domestic Relations Section. The calculation of the base support amount uses both parents' net income and number of parenting time overnights. Answer questions about children, income, parenting time, health care and other costs to estimate weekly support payments and download forms for use in court.