Child Custody Estimator
See the custody arrangement a court is most likely to consider for your situation, the best-interest factors judges weigh, and your state standard. This is an estimate, not a prediction.
Estimate your custody arrangement
100% freeBest-interest factors a judge weighs
- This is not a prediction. Custody is decided case by case under the best interest of the child, and a judge can reach a different result.
- Legal custody (who makes major decisions) and physical custody (where the child lives) are decided separately; joint legal custody is common.
- A safety concern changes everything. If a child may be at risk, contact a family lawyer or the authorities right away.
Estimate only. Custody is decided by a judge under your state best-interest standard and depends on the facts. Verify the cited statute and talk to a family lawyer before relying on this.
How custody is decided
There is no custody formula. Every U.S. state decides custody under the same standard, the best interest of the child, and a judge weighs a set of factors to reach a result that fits the family. That is why this tool gives you the arrangement a court is most likely to consider, not a prediction.
Two separate questions sit inside every custody case: who makes the major decisions, and where the child lives. They are decided independently, which is why one parent can share decision-making while the other has the primary home.
Legal vs physical custody
Custody is built from two pieces, each of which can be joint or primary.
| Arrangement | What it means |
|---|---|
| Joint legal + joint physical | Both decide together and share roughly equal time |
| Joint legal + primary physical | Both decide together; the child has one main home, the other parent has a regular schedule |
| Sole legal + primary physical | One parent decides and provides the main home, usually where safety or conflict is a concern |
| Supervised | A parent's time is supervised or limited, where the child may be at risk |
The best-interest factors
The wording varies by state, but the same themes appear in almost every custody statute. A judge weighs the whole picture, not any single factor.
| Factor | Why it matters |
|---|---|
| The child's age, health, and needs | Younger children and special needs shape the schedule |
| Each parent's caregiving history and bond | Who has done the day-to-day parenting |
| Stability of each home | Housing, routine, school, and community |
| Distance and logistics | How far apart the homes and the school are |
| Willingness to co-parent | Whether each parent supports the child's bond with the other |
| Safety | Any abuse, neglect, substance, or domestic-violence history |
| The child's wishes | Considered when the child is old enough and mature |
Your state's approach
All states use the best interest of the child, and a few have a statutory preference for joint or shared custody. Search your state for its standard and statute, and verify the citation before relying on it.
How to strengthen your position
The same preparation helps in any state: keep a record of your day-to-day caregiving, show a stable home and routine, support the child's relationship with the other parent, and propose a clear, specific parenting plan rather than leaving the schedule vague. A written parenting plan that a judge can adopt is far stronger than an argument.
Frequently asked questions
How is child custody decided?
Every state decides custody under the best interest of the child. A judge weighs factors like each parent's caregiving history, the stability of each home, the distance between homes, willingness to co-parent, safety, and the child's wishes when old enough. There is no fixed formula.
What is the difference between legal and physical custody?
Legal custody is who makes major decisions about the child (school, health, religion). Physical custody is where the child lives. They are decided separately, so joint legal custody with one primary physical home is common.
Do courts favor the mother in custody?
No. Modern custody law is gender-neutral and focuses on the best interest of the child and each parent's caregiving role, not the parent's gender.
Does my state presume joint or 50/50 custody?
A handful of states have a statutory presumption or preference for joint or shared custody; most apply the best-interest standard with no fixed presumption. Select your state above to see its standard and statute.
At what age can a child choose which parent to live with?
No age gives a child the final say, but courts give more weight to an older, mature child's preference. Many states consider it around age 12 to 14, though it is only one factor among many.
What happens to custody if there is abuse or domestic violence?
Safety comes first. A credible history of abuse, neglect, substance issues, or domestic violence can lead to supervised visitation or sole custody for the other parent. Contact a lawyer or the authorities if a child is at risk.
Is this estimator a prediction of what a judge will order?
No. It shows the arrangement a court is most likely to consider for a typical situation like yours, to set expectations. A judge weighs facts this tool does not capture and can reach a different result.
What is a parenting plan?
A parenting plan is a written schedule and set of rules for custody and parenting time, covering where the child lives, holidays, decision-making, and exchanges. A clear plan that a judge can adopt is one of the strongest things you can bring to a custody case.