Custody Calc

Build custody schedules that count overnights automatically

Create, visualize, and export your parenting schedule. See overnight counts update in real-time and generate court-ready PDF calendars.

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Court-ready PDF exports

Everything You Need for Co-Parenting

From building your schedule to tracking overnights and exporting for court, we've got you covered.

Visual Calendar
See your custody schedule in monthly or weekly views with color-coded days for each parent.
Automatic Overnight Tracking
Overnights are calculated automatically as you build your schedule. No manual counting needed.
PDF Export
Download professional PDF calendars for attorneys, mediators, or your own records.
State Guidelines
Custody percentages calculated using your state's specific thresholds and guidelines.
Flexible Patterns
Support for 2-2-3, week on/week off, 4-3, and more. Or create your own custom pattern.
Holiday Overrides
Easily modify the schedule for holidays, vacations, and special occasions without changing the base pattern.
See all features →
For Family Law Professionals

Built for Attorneys & Mediators

Professional tools to manage client cases, collaborate on schedules, and prepare court-ready documentation.

Case Management
A dedicated workspace to manage all your family law cases with search, filters, and quick access.
Client Invitations
Invite clients via email to collaborate on their custody schedules with secure, token-based links.
Schedule Annotations
Add private notes to specific dates for case documentation, reminders, and court preparation.

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Popular Custody Patterns

Choose from common schedules or build your own custom arrangement

2-2-3 Rotation

50/50 Split

Children alternate 2 days, 2 days, then 3 days with each parent.

Week On / Week Off

50/50 Split

Alternating full weeks. Simple and predictable for older children.

4-3 Schedule

60/40 Split

4 days with one parent (Mon-Thu), 3 days with the other (Fri-Sun).

Extended Weekend

60/40 Split

One parent has Tue-Fri, other gets extended weekend (Sat-Mon).

Every Weekend

70/30 Split

One parent has weekdays, the other has every Saturday and Sunday.

Every Other Weekend

85/15 Split

Primary custody during week, other parent gets alternating weekends.

State-Specific Overnight Thresholds

Different states have different overnight requirements for shared custody classification. We track thresholds for all 50 states.

Colorado

C.R.S. § 14-10-115(8)

93+

nights/year

Florida

FL Stat. § 61.30(11)(b)(8)

73+

nights/year

Pennsylvania

231 Pa.R.C.P. 1910.16-4(c)

146+

nights/year

Virginia

VA Code § 20-108.2(G)(3)

90+

nights/year

Maryland

MD Fam. Law § 12-204

92+

nights/year

Illinois

750 ILCS 5/505(a)(3.8)

146+

nights/year

Support for all 50 states including formula-based states like California, Georgia, and Arizona.

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Custody Calc is part of the Family Calcs suite of tools for co-parenting families.