Learn about the types of alimony available in Michigan, how it's calculated, and the factors courts consider when awarding spousal support. While child support is calculated using a formula, spousal support (alimony) is decided on a case-by-case basis.A person making qualified alimony payments can deduct them. In Michigan both parents are obligated to support a minor child unless a court modifies or terminates the obligation or the child is emancipated. This list contains current links to state divorce forms where available. Some states may have additional requirements or restrictions. Child Support Forms ; 4-3a. Petition (Commissioner). The Michigan Alimony Calculator is designed to offer estimations based on various input factors, such as income, length of marriage, and specific circumstances. Alimony, or spousal support, refers to payments made from one spouse to the other in the event of a divorce.