Maintenance, or spousal support, is crucial when major life changes occur within family dynamics. Use our Texas maintenance calculator.This Texas alimony calculator calculates maximum Texas maintenance using the Texas alimony formula. Does Texas Have an Alimony Calculator? Unlike with child support, Texas doesn't have a formula for calculating spousal maintenance. Our tool will calculate how much spousal support a judge may order. Complete the fields to calculate and estimate. Texas is one of the most restrictive states when it comes to ordering spousal support; or "maintenance" as it is defined in the Texas statute. In this article, learn about how spousal maintenance is ordered, the requirements to be eligible for spousal maintenance, and other important information. Find out how much one spouse might be required to pay another after a Texas divorce.