Worksheets to calculate guideline amounts of maintenance and child support. Optional tools to help with calculations are below.Basic Calculation: DETERMINE WHICH FORMULA APPLIES BY CHECKING THE BOXES BELOW: QUESTION A: Will child support be paid for childrenof the marriage? This page will help you calculate the figures a New York judge would consider in determining how much should be paid in maintenance and child support. Couples and the courts can use NYS spousal maintenance calculators to decide on the amount to be paid. If you need a spousal support calculator in NY use the New York Sate Unified Court System. Why not start with a consultation today to learn more. New York Alimony or Maintenance Calculator that calculates alimony or maintenance payable based on a state formula. If the Defendant seeks maintenance or child support, the Defendant must fill out the applicable forms. New York uses a formula as a guideline for setting alimony payments, but courts can exercise considerable discretion in ordering alimony.