Ohio does not use a specific mathematical formula to calculate alimony. However, this calculator offers an estimate of a potential alimony award in Ohio.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.) 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. The following calculator provides an estimate of a potential alimony award in the State of Ohio. Ohio Spousal Support Calculator is an inexpensive first step in advocating your client's position and fulfilling your professional obligations. Our tool will calculate how much spousal support a judge may order. Complete the fields to calculate and estimate. There is no specific formula in Ohio for calculating temporary support awards.