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. The New York Alimony Calculator is designed to offer estimations based on various input factors, such as income, length of marriage, and specific circumstances. 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. Worksheets to calculate guideline amounts of maintenance and child support. Optional tools to help with calculations are below. Get precise alimony estimates with our Ohio Alimony Calculator. No formula under Ohio law specifies how spousal support is calculated. (However, some courts offer guidelines that will at least get you in a ballpark.)