This calculator is for statewide use. Worksheets to calculate guideline amounts of maintenance and child support.Optional tools to help with calculations are below. After completing the Spousal Maintenance Calculator, print out the Spousal Maintenance Worksheet in order to file it with your other paperwork. To calculate alimony or spousal support you will need the following information: Your gross yearly income. Gross income is income before taxes. 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. An Arizona alimony calculator does not exist in Arizona. However, a formula for calculating alimony was created many years ago.