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. Once the spouses' gross incomes and marriage length have been entered into the Texas Maintenance Calculator, click the "Calculate Alimony" button. Get an estimate for alimony payments and duration. Get an idea on how much money a month you can expect to pay, and for how you can expect to pay it. Maintenance, or spousal support, is crucial when major life changes occur within family dynamics. Use our Texas maintenance calculator. The Texas Alimony Calculator is designed to offer estimations based on various input factors, such as income, length of marriage, and specific circumstances. Find out what judges consider when deciding how much alimony to award during or after divorce—and when courts use formulas to calculate spousal support.