Utah Child Support
Calculator (2026)
Income shares on combined GROSS monthly adjusted income using the official §81-6-304 table ($1,951–$100,000/mo; orders on/after Jan 1, 2023). Separate §81-6-305 low-income table protects low-income obligors. Recodified Sept 2024 from Title 78B to Title 81.
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Free Child Support Calculator — Utah
How Child Support Is Calculated in Utah
Utah calculates child support using the Income shares (combined gross) established under Utah Code §81-6-304 (formerly §78B-12-303). This is a statutory formula that leaves limited room for judicial discretion on the base calculation amount, ensuring consistency and predictability for families across the state.
The Formula
Combined adjusted gross → §81-6-304 table → prorated by income share; §81-6-206 overnight credit in joint custody.
The calculation begins with determining each parent's net disposable income, which includes virtually all sources of income minus taxes, mandatory payroll deductions, and certain hardship deductions. The court then applies the statutory formula using the time each parent has primary physical responsibility for the children and the applicable income allocation brackets.
Beyond the base formula amount, Utahrequires additional contributions for mandatory add-on expenses. These typically include childcare costs necessary for the custodial parent's employment or education, uninsured healthcare expenses for the children, and in some cases, educational and travel costs. These add-ons are split between parents in proportion to their respective incomes.
Primary statute: Utah Code §81-6-304 (formerly §78B-12-303)
Key Child Support Rules in Utah
Income shares on combined GROSS adjusted income (§81-6-204).
Official table to $100,000/mo; above it, not less than the top row (§81-6-204(8)).
Joint physical custody at 111+ overnights each: §81-6-206 credit (.0027/.0084 per overnight bands) with obligor flip when negative.
Child’s health insurance premium and work-related child care shared EQUALLY 50/50 (§§81-6-208/209).
$30/month minimum sole-custody award (§81-6-205(5)).
What Makes Utah Child Support Unique
Recodified Sept 2024 (Title 78B → Title 81).
Equal 182/183 schedules: the lower-income parent is deemed to have 183 overnights.
Flat 4.45% state income tax (TY2026).
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Utah Divorce Procedure at a Glance
Residency Requirement
90 days in state and county
Mandatory Waiting Period
30-day waiting period (waivable for extraordinary circumstances)
No-Fault Ground
Irreconcilable differences
State Income Tax
Flat 4.45% (TY2026, SB 60).
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Frequently Asked Questions About Utah Child Support
How is child support calculated in Utah?
Utah uses the Income shares (combined gross) under Utah Code §81-6-304 (formerly §78B-12-303). Income shares on combined GROSS monthly adjusted income using the official §81-6-304 table ($1,951–$100,000/mo; orders on/after Jan 1, 2023). Separate §81-6-305 low-income table protects low-income obligors. Recodified Sept 2024 from Title 78B to Title 81.
What factors affect Utah child support amounts?
Key factors include both parents' income, the number of children, custodial time share, mandatory add-on expenses (childcare, health insurance), and any applicable deductions. Income shares on combined GROSS adjusted income (§81-6-204).
Can Utah child support be modified after the divorce?
Yes. Either parent can request a modification if there has been a material change in circumstances, such as a significant change in income, custody arrangements, or the needs of the child. The court will recalculate support using the same statutory formula.
What is the Utah child support formula?
Combined adjusted gross → §81-6-304 table → prorated by income share; §81-6-206 overnight credit in joint custody.
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Start My Free UtahEstimate →This tool provides educational estimates based on Utah family law and does not constitute legal advice. Child support calculations are approximations of the statutory formula and may differ from court-ordered amounts. Consult a licensed Utah family law attorney before making decisions. Primary statute: Utah Code §81-6-304 (formerly §78B-12-303).