Under Maryland law, child support is calculated based on a set of fairly rigid guidelines; a court can modify the guidelines under specific circumstances.

The Maryland Department of Human Resources, under the Child Support Enforcement Program publishes an online worksheet that takes you through the child support guidelines, estimating what the judge might order as a monthly child support payment.

You may also contact the Circuit Court Clerk's Office in your county and ask to speak to the Family Services Program Coordinator. Most of these programs provide free family law clinics and other services, such as mediation, visitation, neutral evaluations, substance abuse evaluations, etc. . .