Utah Child Support Calculator

Estimate Utah child support for 2026 using the Income Shares guideline model under Utah Code § 78B-12-101 et seq.. Enter both parents' incomes and the parenting-time split to see what you may owe or receive.

Frequently asked questions

How is child support calculated in Utah?

Utah calculates child support under the Income Shares guideline set out in Utah Code § 78B-12-101 et seq.. Both parents' gross monthly incomes are combined, the basic obligation is read from the Utah schedule under § 78B-12-301, the obligation is prorated by income share, and joint-physical-custody calculations apply at 111+ overnights. The court starts from the guideline amount, then considers statutory adjustments such as health insurance premiums for the children, work-related child care costs, extraordinary medical expenses, and credits for the time the obligor parent spends with the children. The result is presumed to be the correct amount of support; a judge can deviate up or down only when specific written findings show the guideline figure would be unjust or inappropriate. Either parent can ask the court for a deviation, but the burden is on the party requesting it to prove that the standard calculation does not fit the family's actual circumstances. Most contested cases turn on income disputes, daycare costs, and the parenting-time credit rather than on the underlying guideline math itself.

Can a child support order be modified in Utah?

Yes. A Utah child support order can be modified when there is a substantial change in circumstances after the order was entered. Utah allows modification when a new guideline calculation produces a 15% variance from the existing order, or upon any substantial and material change in circumstances. Common qualifying changes include a significant involuntary loss of income, a long-term increase in either parent's earnings, the addition or removal of a child from the order, a meaningful change in the parenting-time schedule, or a change in the cost of health insurance or work-related child care. Either parent can file a petition or motion to modify with the court that issued the original order, or in many counties through Utah ORS's administrative review process. The new amount applies prospectively from the date the modification request is filed and served, courts generally cannot reduce arrears that accrued before that date, so it is important to file as soon as the change occurs.

When does child support end in Utah?

Utah child support generally ends at age 18 or upon graduation from high school during the normal and expected year of graduation, whichever is later. Continuing support is available for disabled adult children. Support does not automatically stop in every situation, even when a child reaches the statutory age, an order that covers multiple children usually requires recalculation rather than a flat reduction, because the per-child amount changes when the obligation is re-prorated for the remaining children. Parents who believe support should terminate or step down should not simply stop paying; they should file for a formal termination or modification with the issuing court or with Utah ORS. Continuing to pay through the state disbursement unit until a court order changes the obligation is the safest way to avoid arrears. If a child becomes emancipated early, for example, by marriage or active-duty military service, the obligor can usually petition for early termination based on the emancipating event.

What happens if a parent does not pay child support in Utah?

Utah ORS enforces through immediate income withholding, tax intercept, license suspension, lien filings, and contempt proceedings. Utah ORS also has administrative tools that do not require returning to court, including income withholding orders sent directly to employers, interception of state and federal tax refunds, suspension of driver, professional, and recreational licenses, reporting of unpaid balances to the credit bureaus, and passport denial for arrears over the federal threshold. Liens can be placed on bank accounts, lottery winnings, and personal injury settlements. In serious cases the court can hold the non-paying parent in civil contempt, which can carry jail time until a purge amount is paid. Interest on unpaid support typically accrues by statute, so balances can grow quickly. The custodial parent does not have to hire a private attorney to start enforcement; Utah ORS provides these services at no or minimal cost.

Do both parents have to be working for Utah child support to be ordered?

No. Utah courts can impute potential income to a parent who is voluntarily unemployed or underemployed based on the parent's qualifications and the local job market. The court can also exclude income that is genuinely beyond a parent's control, for example, when a parent is disabled, is a primary caregiver for a young child or special-needs child, or is involuntarily unemployed and actively seeking work. Voluntary unemployment or underemployment is treated very differently. Documenting good-faith job-search efforts, medical limitations, or caregiving responsibilities is critical when income is in dispute, because the imputed figure the judge picks will drive the support number for the life of the order until it is modified.

Is the Utah child support calculator on this page legally binding?

No. This calculator produces an estimate based on publicly available Utah guideline data and is provided for educational planning only. It is not legal advice, it does not account for every adjustment a court may apply, and it is not a substitute for the official worksheet that a Utah court will use when entering an order. Real cases involve verified income documentation, proof of health insurance and child care costs, parenting-time credits calculated under the state's specific rules, and any deviation findings the judge makes on the record. Use the estimate to budget, to evaluate a settlement offer, or to decide whether to seek a modification, but always confirm the controlling number with the official Utah guideline worksheet, your case file, or a licensed family law attorney before relying on it for any legal decision.