Worksheets to calculate guideline amounts of maintenance and child support. Optional tools to help with calculations are below.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. This Child Support Standards Chart can be used to determine an approximate annual child support obligation. See how parenting time affects the total. The formula uses the parties' incomes and salary, as well as whether or not child support is being paid to perform a calculation. Your CSSA income and the other parent's CSSA income are the basis of what is used in the child support calculations. If you are going through a divorce in New York, one question you may be asking is how to calculate alimony. Use their child support calculator to help you get an idea of how much child support may be required for your case in NY. Like I said before, the formula is different for marriages where there are children or no children.