Child Custody Calculator
Calculate parenting time & overnight percentages
Custody Schedule
Regular Schedule (Per 2-Week Period)
Enter overnights with Parent 2 (non-custodial) per 2-week cycle
Click days to toggle Parent 2 overnights (blue = Parent 2)
Weeknight Visitation
Dinner visits don't count as overnights but affect total time
Holiday & Vacation Time
MLK, Presidents Day, Memorial Day, July 4th, Labor Day, etc.
Custody Breakdown
Configure your custody schedule and click "Calculate"
Get detailed parenting time percentages
When to Use Child Custody Calculator
Divorce Planning
Understand custody percentages when negotiating parenting plans during divorce
Custody Agreements
Verify that proposed schedules achieve desired custody percentages
Child Support Calculations
Determine if custody time qualifies for shared custody support adjustments
Modification Requests
Compare current vs. proposed schedules when seeking custody modifications
Mediation Prep
Come to mediation with clear understanding of schedule implications
Schedule Comparison
Compare different custody arrangements to find the best fit
Frequently Asked Questions
How is custody time calculated?
Custody time is typically calculated by counting the number of overnights each parent has per year (365 days). The percentage is calculated as: (Parent's overnights ÷ 365) × 100. For example, 182 overnights equals approximately 50% custody time.
What is a 50/50 custody schedule?
A 50/50 custody schedule means each parent has the child approximately 182.5 overnights per year. Common 50/50 arrangements include: alternating weeks, 2-2-3 rotation (2 days with each parent, then 3 days alternating), and 3-4-4-3 rotation.
What is a standard visitation schedule?
A standard visitation schedule typically gives the non-custodial parent every other weekend (Friday-Sunday), one weeknight, alternating holidays, and 2-4 weeks of summer vacation. This usually results in approximately 80-90 overnights per year (22-25% parenting time).
How do holidays affect custody percentages?
Holidays are typically alternated between parents yearly or split within the same year. Major holidays (Thanksgiving, Christmas, Spring Break) can add 10-20 overnights per year. Summer vacation can add 14-42 additional overnights depending on the arrangement.
What custody percentage triggers child support adjustments?
Most states consider "shared custody" when the non-custodial parent has at least 25-35% parenting time (90-128 overnights). At this threshold, child support calculations often include adjustments that reduce the support obligation.
What is a 2-2-3 custody schedule?
A 2-2-3 schedule rotates custody every 2 weeks: Parent A has Monday-Tuesday, Parent B has Wednesday-Thursday, and weekends alternate (Friday-Sunday). This creates a 50/50 split with frequent transitions, suitable for younger children who benefit from seeing both parents often.
How is summer vacation custody calculated?
Summer vacation custody varies by agreement. Common arrangements include: 2 weeks uninterrupted time, 4 weeks (split into 2-week blocks), or extended time that may approach 50% of summer. Summer time is added to regular schedule overnights for total annual calculation.
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