Until What Age Is a Parent Obligated to Support a Child? 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.For guidance in using this calculator, please see the JFS 07766 Ohio Child Support Guideline Manual. Courts may award spousal support to either spouse upon the request of either party in an action for divorce or legal separation. Below is a summary of spousal support in Ohio which should help inform your decisionmaking as you agree on whether and how much spousal support is appropriate. Child support and spousal support are handled in Family Court. Child support is calculated according to a formula written into state law. That formula combines the father's and mother's gross income. 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.)