Learn how alimony is calculated in Utah, what judges consider when deciding spousal support awards, and how to get alimony payments changed. The following calculator provides an estimate of a potential alimony award in the State of Utah.The Utah Alimony Calculator is designed to offer estimations based on various input factors, such as income, length of marriage, and specific circumstances. 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. To calculate Illinois guideline maintenance, you must enter gross income, child dependent, and marriage length information into the calculator. Alimony, sometimes referred to as spousal support, is the court-ordered money that one party pays to the other party for support while they are separated. Calculate alimony quickly and accurately with our state-specific alimony calculators. Get an estimate based on your state's guidelines for free. Estimate Alimony Payments.