Quick answer: Iowa decides custody on the child’s best interests and must consider joint custody when either parent applies, even if the other disagrees. A court that denies it must cite clear and convincing evidence. For child support, a parent with more than 127 court-ordered overnights gets a 15%, 20% or 25% credit.
This Iowa parenting time calculator turns a schedule into overnights a year and looks up the credit in rule 9.9 of the Iowa Child Support Guidelines. Enter the overnights in a 14-day cycle and any extra nights: the result is arithmetic, and the court decides custody and support.
Iowa parenting time and custody rules at a glance
| Rule | What Iowa says |
|---|---|
| Joint custody | The court may provide for joint custody and shall consider it on either parent’s application, even over the other parent’s objection (Iowa Code 598.41(1)-(2)) |
| If joint custody is denied | The court must cite clear and convincing evidence, under the statutory factors, that joint custody is unreasonable and not in the child’s best interest (598.41(2)(b)) |
| Domestic abuse | A history of domestic abuse creates a rebuttable presumption against joint custody (598.41(1)(b)) |
| Joint physical care | If joint legal custody is awarded, the court may award joint physical care on either parent’s request, and must give specific findings if it denies it (598.41(5)) |
| Child support credit | More than 127 court-ordered overnights: 15% (128-147), 20% (148-166) or 25% (167 or more, short of equal care) (rule 9.9) |
| Moving | A parent with physical care moving 150 miles or more from the child’s residence when custody was awarded may be a substantial change in circumstances (598.21D) |
How do custody and parenting time work in Iowa?
- Joint or sole custody. See joint versus sole custody in Iowa.
- Schedules. See parenting time schedules in Iowa.
- Moving with a child. See moving away with a child in Iowa.
What does this parenting time calculator check?
You enter the overnights the other parent has in a typical 14-day cycle and any extra overnights a year, such as summer and holidays. The calculator scales the cycle to 365 nights, adds the extras, finds the parent with fewer overnights and shows which credit band applies. It does not calculate child support: use the Iowa child support calculator for that, and the Iowa divorce timeline calculator for the dates of the case. A court order of joint physical care uses a separate formula that the calculator does not model.
Frequently asked questions
Does Iowa presume joint custody?
No presumption for it, but the court must consider joint custody when either parent applies, and must cite clear and convincing evidence to deny it over an objection.
How many overnights start the Iowa extraordinary visitation credit?
More than 127 court-ordered overnights a year.
How big is the Iowa visitation credit?
15% for 128 to 147 overnights, 20% for 148 to 166 and 25% for 167 or more but less than equally shared physical care.
Does domestic abuse affect Iowa custody?
A history of domestic abuse raises a rebuttable presumption against joint custody.
Does this Iowa calculator set child support?
No. It counts overnights and looks up the credit; the Iowa child support calculator estimates the guideline amount.