In Utah, a judge decides alimony by weighing at least nine factors in Utah Code 81-4-502, led by the standard of living during the marriage, the receiving spouse's needs and earning capacity, and the paying spouse's ability to pay. Alimony generally can't last longer than the marriage did, and it ends automatically if the receiving spouse remarries, dies or is shown to be cohabiting.
Utah has no fixed formula for alimony. That means two couples with similar incomes can walk away with very different results, because the judge balances the statutory factors against the facts of each case.
Everything below comes from the Utah Code as published by the Utah Legislature, read on 26 October 2026. It's a plain-English summary of the official rules, not legal advice, so speak to a Utah family law attorney about your own case.
The rules moved: Title 30 is now Title 81
If you've read older guides, you'll see alimony cited as Utah Code 30-3-5. Utah has since moved its domestic relations law into Title 81, and the spousal support rules now sit in Title 81, Chapter 4, Part 5. Section 81-4-503 was renumbered effective 9/1/2024, and sections 501, 502, 504 and 505 were amended again by Chapter 249 of the 2026 General Session, effective 3/23/2026.
So when you search the code or read a court filing, look for 81-4-501 to 81-4-505. The old number points to rules that have since changed.
The factors a Utah judge must weigh
Section 81-4-502 tells the court to consider at least these factors:
- The standard of living during the marriage, including income and the approximate value of real and personal property
- The financial condition and needs of the spouse who'd receive alimony (the payee), who can show needs by itemizing expenses from the marriage rather than post-petition expenses
- The payee's earning capacity, including the impact of reduced workplace experience from primarily caring for the other spouse's minor child
- The ability of the paying spouse (the payor) to provide support
- The tax consequences of alimony for each party
- The length of the marriage
- Whether the payee has custody of a minor child requiring support
- Whether the payee worked in a business owned or run by the payor
- Whether the payee paid for, or made it possible for, the payor's education during the marriage
How long alimony can last
| Rule | What the code says |
|---|---|
| General cap | The court may not order alimony for longer than the length of the marriage |
| Exception | Before alimony ends, the court may find extenuating circumstances or good cause for a longer period |
| Temporary alimony | Time paid while the divorce is pending counts toward the total period |
| Length of the marriage | From the wedding day to the day the divorce petition is filed |
| Remarried to each other | For petitions filed on or after January 1, 2026, the court adds both marriages together, unless that would be inequitable |
That last rule is new in 2026. If a couple divorced, remarried each other and are now divorcing again, the time between the first divorce filing and the remarriage isn't counted, but both marriages are.
Equalizing standards of living
A Utah court may try to equalize the two spouses' standards of living. There's a stronger rule for longer marriages: if the marriage lasted 10 years or more and the payee has significantly reduced workplace experience because the spouses agreed the payee would cut back to care for the payor's minor child, the court presumes it should equalize. The payor can rebut that presumption by showing good cause.
For short marriages with no child conceived or born, the court may instead look at the standard of living at the time of the marriage and try to restore each person to where they started.
Fault can count in Utah
Utah lets judges consider fault when deciding whether to award alimony and on what terms. The code defines fault as wrongful conduct during the marriage that substantially contributed to the breakup, specifically:
- Sexual relations with someone other than your spouse
- Knowingly and intentionally causing or attempting to cause physical harm to the other spouse or a minor child
- Knowingly and intentionally causing the other spouse or a minor child to reasonably fear life-threatening harm
- Substantially undermining the financial stability of the other spouse or the minor child
When fault is at issue, the court may close the proceedings and seal the records.
The cohabitation rule people miss
Here's the detail that catches people out. Under 81-4-505, if the paying spouse proves the receiving spouse has cohabited with another person, either while the divorce is pending or after the decree, the court may not order alimony and must end any existing order. That applies even if the cohabitation has stopped by the time the motion is filed.
But there's a clock. The payor can't ask for termination on these grounds later than one year after the day they knew, or should have known, about the cohabitation. Utah defines cohabiting as living together, or regularly residing together, in a romantic or sexual relationship. If you suspect it, don't sit on it.
When alimony ends or changes
- Remarriage or death. Unless the decree says otherwise, alimony ends automatically when the payee remarries or dies. If that remarriage is annulled as void from the start, payments can resume, provided the payor is made a party to the annulment.
- Substantial material change. The court can change alimony after the decree when circumstances change in a way the decree didn't foresee.
- Retirement. For decrees entered on or after May 12, 2020, a party's retirement counts as a substantial material change, unless the decree says otherwise.
- New needs. The court generally can't raise alimony to cover needs that didn't exist when the decree was entered.
- A new spouse's income. When modifying alimony, the court can't count a payor's new spouse's income, except their ability to share living expenses or where the payor's improper conduct justifies it.
Section 81-4-503 also gives some protection to a payee who stayed home to care for the payor's child, or whose disability reduced their work history: the court can weigh reasonable barriers to employment before imputing income to them.
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Practical next steps
Divorce often brings other paperwork with it. If you'll lose workplace health cover, our guide to COBRA continuation coverage explains how long you can keep it, and if you're sharing parenting time, these co-parenting apps keep schedules and messages in one place.
My verdict
Utah alimony is judgment-led, not formula-led, so the facts you can document matter most: the lifestyle during the marriage, each person's earning power and who gave up work to care for children. Know the cap (no longer than the marriage, unless the court finds good cause), know that cohabitation ends alimony outright, and know the one-year deadline for raising it. Get advice from a Utah family law attorney before you sign anything.
Minnesota uses different terms and time rules, which spousal maintenance in Minnesota sets out.
Frequently asked questions
How is alimony calculated in Utah?
There's no set formula. The judge weighs at least nine factors in Utah Code 81-4-502, including the marital standard of living, the payee's needs and earning capacity, and the payor's ability to pay.
How long does alimony last in Utah?
Generally no longer than the length of the marriage, measured from the wedding to the filing of the divorce petition. The court can go longer if it finds extenuating circumstances or good cause before alimony ends.
Does cheating affect alimony in Utah?
It can. Utah lets the court consider fault, which includes sexual relations with someone other than your spouse, when deciding whether to award alimony and on what terms.
Does cohabitation end alimony in Utah?
Yes. If the payor proves the payee has cohabited with another person, the court must end alimony, but the payor has to ask within one year of when they knew or should have known.
Does alimony end if the receiving spouse remarries?
Yes, unless the divorce decree says otherwise, alimony ends automatically on the payee's remarriage or death.
Can retirement change alimony in Utah?
For decrees entered on or after May 12, 2020, retirement is a substantial material change that can support a petition to modify, unless the decree says otherwise.
Is temporary alimony counted toward the total?
Yes. Time spent paying temporary alimony while the divorce is pending counts toward the total period of alimony.
Where are Utah's alimony laws now?
In Utah Code Title 81, Chapter 4, Part 5, sections 81-4-501 to 81-4-505. Older guides cite 30-3-5, which has been replaced.
