The Child Support Program will search for him or her through a variety of local, state, and federal location resources. Welcome to Florida Child Support Calculator.The Calculator on this site may make it easier for you to understand how child support is calculated. Monthly Child Support Calculator. This calculator provides an estimate for a single source of income. If you have questions or need help during the application process, please contact our Child Support Program at (305) 530-2600. The court automatically has the discretion to set the child support five percent above or below the amount in the guidelines. The easiest way to request modification of a child support order is to complete a Request for Review form and a Child Support Review Questionnaire. Find out if you are eligible for Medicaid. Support Jackson Health Foundation As We Make Miracles Happen Daily.