This calculator is for statewide use. Use our FREE online Arizona alimony calculator to determine spousal maintenance costs in AZ. ✓ Instant.Our alimony calculator will provide you with a basic support calculation for the following states or formulas. Learn how judges make decisions on alimony in Washington—whether to award maintenance, how much, and for how long—and whether you can change an award later. This article and video explain spousal maintenance (alimony) in Washington State. They also explain undifferentiated family support. First, you must enter the spouses' gross incomes. Enter the gross incomes into the appropriate inputs in the Arizona Maintenance Calculator form. Spousal support can be boiled down to these key factors: 1) the requesting spouse's need for financial support and 2) the other spouse's ability to pay it. The following calculator provides an estimate of a potential alimony award in the State of Washington.