Free Custody Time Calculator
Calculate each parent's exact parenting time percentage for any custody schedule. Use results as supporting child custody documentation for your family court case.
Custody Time Calculator
This calculator is for informational purposes only. Always verify parenting time calculations with your attorney.
Common Custody Schedule Parenting Time Percentages
Quick Answer: The most common custody arrangement — alternating weeks — results in exactly 50% parenting time for each parent. Every-other-weekend arrangements, despite their frequency, give the non-primary parent only 13% of annual parenting time (48 overnights per year).
| Custody Schedule | Primary % | Secondary % | Primary Nights | Secondary Nights |
|---|---|---|---|---|
| Every other weekend (4 days/mo) | 87% | 13% | 317 | 48 |
| Alternating weeks (50/50) | 50% | 50% | 182 | 183 |
| 2-2-3 rotation (50/50) | 50% | 50% | 182 | 183 |
| 3-4-4-3 rotation (50/50) | 50% | 50% | 182 | 183 |
| Primary + every-other-weekend | 74% | 26% | 269 | 96 |
| Primary + mid-week overnight | 67% | 33% | 243 | 122 |
| 60/40 — Extended primary | 60% | 40% | 219 | 146 |
| Supervised visits only (no overnights) | 100% | 0% | 365 | 0 |
Track Actual vs. Ordered Parenting Time with DadDox
A calculator shows you what the schedule says. DadDox shows you what actually happened — timestamped, court-ready child custody documentation of every exchange.
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