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? New York Alimony or Maintenance Calculator that calculates alimony or maintenance payable based on a state formula. 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. New York uses a formula as a guideline for setting alimony payments, but courts can exercise considerable discretion in ordering alimony. To calculate your New York State itemized deduction, complete Form IT196. This powerful tool does all the gross-to-net calculations to estimate take-home pay in all 50 states. Each state in the US has different laws regarding alimony aka spousal support.