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. For guidance in using this calculator, please see the JFS 07766 Ohio Child Support Guideline Manual.The following calculator provides an estimate of a potential alimony award in the State of Ohio. Ohio doesn't have a formula for calculating spousal support or even determining who's entitled to receive it. See how parenting time affects the total. Child support is calculated according to a formula written into state law. That formula combines the father's and mother's gross income. Alimony, known as spousal support in Ohio, is a payment one spouse makes to another to provide financial support during and after a divorce. Finally, if one party will receive spousal support from the other, that is included as income for the recipient. The importance of completing the Parenting Arrangement and Children sections of the General Information Worksheet.