This calculator is for statewide use. The calculator below can provide you with an estimate as to how a court may handle alimony.Ohio does not use a specific mathematical formula to calculate alimony. However, this calculator offers an estimate of a potential alimony award in Ohio. The following calculator provides an estimate of a potential alimony award in the State of Ohio. Use our FREE online Arizona alimony calculator to determine spousal maintenance costs in AZ. ✓ Instant. Here's an alimony calculator that will help you get an idea of the payments and duration. Learn how Ohio judges decide whether to award spousal support, how much payments will be, how long they'll last, and when alimony can change or end. Under the Maricopa County formula, the maintenance amount is equal to the payor spouse's income minus the recipient spouse's income. Calculate alimony quickly and accurately with our state-specific alimony calculators.