Michigan Parenting Plan Calculator
Michigan uses Best interest of the child (12 statutory factors) with 11 custody factors For 2026 planning, the Michigan parenting plan calculator page starts with that Michigan data point before adding your facts.
Michigan uses best interest of the child (12 statutory factors) under MCL 722.23, with 11 extracted custody factors. The calculator turns schedules like 2-2-3 or week-on/week-off into overnight totals for your plan.
Michigan — at a glance
- Core number: Michigan uses Best interest of the child (12 statutory factors) with 11 custody factors
- Authority: MCL 722.23
- Local layer: 83 county inputs can affect timing and filing logistics.
- Decision point: Michigan relocation rule: 0 days' notice at 100+ miles
Important: This tool provides educational estimates only — not legal advice. Made For Law is not a law firm and is not affiliated with, endorsed by, or connected to any federal, state, county, or local government agency or court system. Calculator results are based on statutory formulas and publicly available fee schedules — not AI. Supporting content is AI-assisted and editorially reviewed. Results may not reflect recent legislative changes or your specific circumstances. Do not rely solely on these estimates — always verify with official sources and consult a licensed attorney before making legal or financial decisions. Full disclaimer
Run the Parenting Plan Calculator for Michigan
The calculator below is pre-loaded with Michigan (MI) rules. Your inputs stay in your browser — no account required.

Key Takeaways for Michigan
- Custody framework. Best interest of the child (12 statutory factors) under MCL 722.23
- Parenting time math. 128 overnights; the calculator converts each schedule to annual overnights and percentages.
- Relocation rule. 0 days' notice at 100+ miles
- Filing checklist. 0 extracted required steps: no extracted mandatory mediation, plan, or class flag.
Custody framework in Michigan
Michigan uses best interest of the child (12 statutory factors) and lists 11 custody factors in the source data tied to MCL 722.23. The first factors include Love and affection, Capacity to provide food, clothing, medical care, Length of stable environment, so your plan should explain those facts with dates, school calendars, and overnight counts.
Parenting time and support impact
The extracted MI config lists 128 overnightsfor child-support math and uses schedules with 52, 78, 156, or 182.5 overnights depending on the rotation. That's why a 2-2-3 plan can affect support differently from an every-other-weekend plan.

Michigan relocation rules
Relocation planning starts with 0 days' notice at 100+ miles, recorded in the MI source verified on 2026-03-30. Put the notice date, proposed address, and revised 12-month schedule in writing before you rely on the calculator output.
Filing requirements and court prep
The MI data flags 0 required filing steps: no extracted mandatory mediation, plan, or class flag. It also lists the modification standard as "Proper cause or change of circumstances," so don't treat a new schedule as final unless it can survive that standard.
Michigan sources used
- Michigan Child Custody Act: MCL 722.23
- Source URL verified 2026-03-30: https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-722-23

State-specific estimate overview
Michigan cost and deadline signals is the right starting point because statewide law sets the baseline, while the facts of your parenting plan determine the actual risk band. Use the calculator before you compare attorney quotes, court options, or settlement choices.
Factors that affect the Michigan estimate usually comes down to three inputs: the amount at stake, the deadline or statutory rule, and whether the matter can be resolved before a contested filing. The calculator keeps those inputs separate so the result is easier to challenge.

Neighboring state comparison
| State | Comparison signal | Source |
|---|---|---|
| Michigan | Michigan uses Best interest of the child (12 statutory factors) with 11 custody factors | Current page data |
| Ohio | ORC §§ 2113.35, 2113.36; 88 county inputs tracked | Michigan compared with nearby states; State data file |
| Indiana | Ind. Code § 29-1-10-13; 92 county inputs tracked | Michigan compared with nearby states; State data file |
| Wisconsin | Wis. Stat. § 857.05; 72 county inputs tracked | Michigan compared with nearby states; State data file |
County-level cost factors
County variation matters in Michigan because clerk practices, hearing calendars, and local filing steps can change the time cost even when the statewide rule is fixed.
- Wayne County: 1,789,655 residents, county seat in Detroit.
- Oakland County: 1,272,526 residents, county seat in Pontiac.
- Macomb County: 880,294 residents, county seat in Mount Clemens.
- Kent County: 658,524 residents, county seat in Grand Rapids.
- Genesee County: 405,793 residents, county seat in Flint.

Next steps before you decide
- Run the calculator with your current numbers and save the 2026 result.
- Compare the result with documents, notices, invoices, or deadlines already in hand.
- Use the estimate to prepare a focused consultation or filing plan before the next deadline.
Common state questions
What is the main Michigan number in this Parenting Plan Calculator?
Michigan uses Best interest of the child (12 statutory factors) with 11 custody factors The calculator uses that point as the first Michigan signal before it layers in user-entered facts.
Does the Michigan Michigan parenting plan calculator replace a lawyer?
No. It is a planning tool for comparing numbers, deadlines, and risk signals. Confirm MCL 722.23 with an official source or a licensed professional.
Why do county details matter in Michigan?
Michigan has 83 county-level filing offices, court calendars, and local practices. Those local steps can change timing even when state law is the same.
What should I gather before using the Parenting Plan Calculator?
Gather the dates, amounts, documents, and court notices tied to your situation. The calculator is more useful when those inputs are specific rather than estimated.
What is the next step after the Michigan estimate?
Michigan relocation rule: 0 days' notice at 100+ miles Use the result to decide whether to organize records, request a consultation, or file the next court or agency step.
Compare your inputs
Start with the free calculator, then confirm the next legal step with the ABA state-by-state lawyer directory.
Ready to see the numbers for your Michigan situation?
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Try the calculator — freeSources cited inline. Last verified May 1, 2026. Statutes change — confirm with the official state bar before filing.