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. Worksheets to calculate guideline amounts of maintenance and child support.Optional tools to help with calculations are below. The formula uses the parties' incomes and salary, as well as whether or not child support is being paid to perform a calculation. Once you input the income and deduction information, the Calculator will automatically figure out the guideline amount of spousal support. This video explains how to enter child support and maintenance in family law software. Our alimony calculator will provide you with a basic support calculation for the following states or formulas. This may be an issue if the spouse earned income from an executive compensation plan that should be included in the income calculation for support. This calculator provides an estimate for a single source of income. So how does alimony play into this scheme?