The following calculator provides an estimate of a potential alimony award in the State of Ohio. 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.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.) 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 Ohio Child Support Calculator will provide an estimate of the support obligations that may be included in a court or administrative child support order. There is no magic online spousal support calculator you can go to in Ohio. For guidance in using this calculator, please see the JFS 07766 Ohio Child Support Guideline Manual. Alimony calculations in Ohio (OH) involve specific laws and various factors that influence the final determination.