For guidance in using this calculator, please see the JFS 07766 Ohio Child Support Guideline Manual. 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.However, 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. If I earn 50000 a month income and have 2 million in liquid assets, how much child support would you estimate the court. Use this interview to calculate the Cuyahoga standard child support amounts for your family. 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.) Child support is determined on a case-by-case basis using a calculation provided in the Ohio Revised Code §3119.022 and §3119.023.