Co-parenting Schedule Calculator accuracy and testing

Formula source

• Parent A annualized overnights = Parent A overnights per cycle / cycle length * annualization days. Parent B is the remaining cycle nights and percentage.

Test cases

Known limitations

• This page documents the checked-in calculator logic and does not certify results for every real-world edge case.
• Use the result as a planning estimate unless the calculator page states a stricter purpose.

Assumptions

• This is a planning and organization estimate only, not legal advice or court guidance.
• The calculator does not replace a family-law attorney, mediator, court order, or official state calculator.
• Inputs are processed locally in the browser and are not stored by Calwarden.

Unit handling

• Repeating Cycle Length accepts values in days.
• Parent A Overnights per Cycle accepts values in nights.
• Annualization Days accepts values in days.
• Parent A Annualized Overnights is displayed in nights.
• Parent A Overnight Share is displayed as a percentage.
• Parent B Annualized Overnights is displayed in nights.
• Parent B Overnight Share is displayed as a percentage.

Rounding rules

• Number displays use up to 2 decimal places in the calculator UI.
• Percent outputs are displayed with two decimal places.
• Input precision follows configured step values where provided.

Version history

Change log