OH Family LawUpdated for 2026 Guidelines

Ohio Parenting Time & Custody Overnight Calculator

Calculate custody overnights, determine annual percentage split, and verify statutory qualification for child support reductions under Ohio Rev. Code § 3119.051.

Direct Answer · Custody Statutory Rule (2026)

In Ohio: Parenting time directly reduces child support obligations when a non-custodial parent reaches 90 overnights per year (24.7% timeshare) under Ohio Rev. Code § 3119.051. The court calculates relief using the mandatory 10% statutory reduction (90+ nights) / shared parenting deviation (147+ nights). Standard rotational schedules such as 2-2-3 (182 nights) qualify for full shared-custody adjustments.

Statutory Citation: Ohio Rev. Code § 3119.051Judicial Authority: Ohio Family Court GuidelinesLast Verified: October 2026

Parenting Time & Custody Overnight Calculator

Calculate annual overnights, time-sharing percentage, and state child support adjustment qualification.

Jurisdiction / State:

1. Select Parenting Schedule Pattern:

2 nights every other weekend across 26 fortnights = 52 overnights/yr (14.2%).

Summer Extra Nights:Additional summer block

Holiday Extra Nights:Thanksgiving / Winter break

Annual Time-Sharing Breakdown

Parent A (Non-Custodial)

52 nights

14.2%

Parent B (Primary)

313 nights

85.8%

Parent A: 14.2%Parent B: 85.8%

⚠️Ohio Statutory Threshold: 90 Nights (24.7%)

Below Threshold. Current schedule provides 52 overnights, which is 38 nights short of the 90-night threshold for Ohio. Standard sole custody support applies without automatic time-sharing discount.

Statutory Legal Reference: Ohio Rev. Code § 3119.051 — Mandatory 10% Statutory Reduction (90+ Nights) / Shared Parenting Deviation (147+ Nights). In Ohio, overnights are counted under the following rule: Under R.C. 3119.051, a parent whose court-ordered parenting time exceeds 90 overnights per year receives an automatic 10% reduction in the child support obligation.

Need Full Monthly Dollar Figures for Ohio?

Calculate net payments using Ohio's official child support schedule, health insurance add-ons, and income deductions.

Open Ohio Support Calculator →

Ohio Legal Guidelines on Custody Overnights

Statutory Threshold

90 Overnights

Equal to 24.7% of annual parenting time

Legal Methodology

Mandatory 10% Statutory Reduction (90+ Nights) / Shared Parenting Deviation (147+ Nights)

Governed by Ohio Rev. Code § 3119.051

Official Overnight Counting Rule in Ohio

Under R.C. 3119.051, a parent whose court-ordered parenting time exceeds 90 overnights per year receives an automatic 10% reduction in the child support obligation.

Standard Default Possession Schedule

Standard parenting time: alternating weekends, one midweek evening, alternating holidays, and 4 weeks summer (~85–95 overnights).

Court Evidence & Verification Checklist for Ohio

If you are requesting or defending against a child support reduction in Ohio family court based on shared physical care, prepare the following evidence:

Ensure the court judgment explicitly specifies at least 90 overnights to trigger the automatic 10% deduction.
Maintain an unbroken custody calendar.
Log school attendance records.

Ohio Custody Overnights FAQ

What is Ohio's automatic 10% child support reduction?

Under Ohio Rev. Code § 3119.051, if the court orders parenting time of 90 or more overnights per calendar year, the court MUST grant an automatic 10% reduction in the basic child support obligation.

What discount is available for 50/50 custody in Ohio?

For equal parenting time (approx. 147+ overnights), courts may grant an additional deviation under R.C. 3119.23, often resulting in an offset calculation between parental obligations.

Data sources & methodology

Ohio Statutory AuthorityOhio Rev. Code § 3119.051 — Official state guideline schedule and parenting time rules.
NCSL Custody GuidelinesNational Conference of State Legislatures — Shared Physical Custody and Parenting Time Models.
Ohio Family Court RulesLocal standard possession schedules, overnight definitions, and administrative calculation forms.

Methodology and citations are maintained by the ChildSupportFig editorial team. Where an official guideline schedule is not yet loaded, results are shown as model estimates and the source is stated as a reference schedule.

Not legal or financial advice. Child support is determined by a court based on your state’s official worksheet. Online estimators provide an informal planning figure only. Laws change — always confirm the current guideline with your state child support agency or a licensed family law attorney in your state before relying on any number.