The following calculator provides an estimate of a potential alimony award in the State of Ohio. 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.) Illinois has established a specific formula for calculating the amount and duration of spousal maintenance obligations or awards. There is no specific formula in Ohio for calculating temporary support awards. Learn about the types of alimony available in Illinois, how it's calculated, and the factors courts consider when awarding spousal maintenance. If your both are in agreement you can agree on something less than guideline support. You will have to have a separate findings of fact for the deviation.