Hawaii uses an income shares model with SOLA per HRS §576D-7. SOLA: 10% per child up to 30% max. Federal poverty minimum: $455/mo.
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Hawaii calculates child support using the Income shares with SOLA (Standard of Living Adjustment) established under HRS §576D-7. 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.
Total obligation from schedule x obligor income share %, adjusted by SOLA.
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, Hawaiirequires 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: HRS §576D-7
Income shares model with SOLA (unique to Hawaii).
SOLA: 10% per child up to 30% max.
Federal poverty minimum: $455/mo.
Approximate: 1 child ~18%, 2 ~26%, 3 ~31%, 4 ~35%, 5 ~38%.
SOLA (Standard of Living Adjustment) unique to Hawaii.
Marital misconduct NOT a factor.
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Residency Requirement
6-month residency (HRS §580-1)
Mandatory Waiting Period
No mandatory waiting period
No-Fault Ground
Irretrievably broken (HRS §580-41)
State Income Tax
Progressive 1.40-11.00% (12 brackets — among highest in US).
Hawaii uses the Income shares with SOLA (Standard of Living Adjustment) under HRS §576D-7. Hawaii uses an income shares model with SOLA per HRS §576D-7. SOLA: 10% per child up to 30% max. Federal poverty minimum: $455/mo.
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 model with SOLA (unique to Hawaii).
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.
Total obligation from schedule x obligor income share %, adjusted by SOLA.
Get a personalized child support calculation based on Hawaii's actual statutory formula.
Start My Free HawaiiEstimate →This tool provides educational estimates based on Hawaii 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 Hawaii family law attorney before making decisions. Primary statute: HRS §576D-7.