Hawaii child support calculator

Hawai‘i does not ask what a family at a given income spends on children. It asks two separate questions and adds the answers. First, what do the children need — a flat $455 a child for basic living needs, plus child care and health insurance. Second, how much is left over — each parent’s SOLA income is their gross less $1,303, and once the children’s basic need is met, the standard of living adjustment hands the children 10% of the surplus per child, up to 30%. The two figures added together are the total support, and each parent covers the share matching their percentage of combined net income.

In place of a schedule, Hawai‘i publishes the Table of Incomes (Appendix B). It converts a gross monthly income into two figures the worksheet needs: Net Income — gross less federal, Hawai‘i and FICA taxes for a single taxpayer claiming one exemption, less a $1,693 self-support reserve — and SOLA Income, which is simply gross less $1,303. The tax rates are frozen at those in effect on 1 January 2022, deliberately: the table is a fixed conversion, not a current-year tax calculation. It runs from $1,304 to $13,001 a month in $1 steps; the Judiciary’s automated worksheet computes past the top of the table on the same rates.

Three rules collar the result. Minimum child support is $91 a month per child, and the worksheet tests it first — so it holds even where the paying parent’s net income is lower, and only a finding of exceptional circumstances can go below it. A parent’s total obligation should then not exceed their own Monthly Net Income; because net income is already after the $1,693 self-support reserve, this cap binds more often than you might expect. Between the two sits the SOLA, which adds 10% a child (30% maximum) of whatever SOLA income remains once the children’s primary need is covered. Where no private health insurance is available, a parent may instead be ordered to pay cash medical of 10% of net income.

Hawai‘i does not adjust this calculation for parenting time — it runs a second form. Equal time-sharing, extensive visitation and split custody all go to the Extensive Time-Sharing Worksheet, which takes each parent’s line 17 figure, applies a floor of $91 a child, works out what each would owe over the months the children are with the other parent, and orders only the difference. So the number below is the input to that form, not a substitute for it.

It runs the CSG Worksheet lines 1–17: the Table of Incomes conversion, base primary support, child care and health insurance, the SOLA, the proportional split, and the minimum and maximum collars. It does not compute gross income from your pay stubs, run the Extensive Time-Sharing Worksheet, apply the Exceptional Circumstances Form, or use the self-employed worksheets — self-employed income takes a different route to net income. Child care and health insurance entered here are treated as paid by Parent B, so Parent A takes no credit at lines 15 and 16. For a figure you can file, use the Judiciary’s automated worksheet or consult an attorney.