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Ontario Family Law Guide

What to Know About 50/50 Custody in Ontario | Shared Parenting Guide

Legal Review

This guide was reviewed by Deepa Tailor, Senior Family Lawyer, to ensure compliance with Ontario family law.

Is equal parenting time automatic? Understanding the ‘Maximum Contact’ principle and how to structure a shared parenting schedule that works.

Legal Review: This custody guide was reviewed by Deepa Tailor, Senior Family Lawyer , to ensure compliance with the Divorce Act principle of Maximum Contact (2026).

Is 50/50 Custody Automatic in Ontario?

No. Unlike some jurisdictions, Ontario law does not have an automatic presumption of 50/50 custody. The only test is the Best Interests of the Child . However, the Divorce Act includes the ‘Maximum Contact Principle,’ which states that a child should spend as much time with each parent as is consistent with their well-being. In practice, this means judges often start with 50/50 as the ideal goal, assuming both parents are fit, available, and capable of communicating.

Visualizing the Schedule

Equal time doesn’t always look the same. Which rotation fits your child’s age?

The 2-2-3 (Young Children)

2 days with Mom, 2 days with Dad, 3 days with Mom. Then flip. Best for toddlers who need frequent contact with both parents.

Week-On / Week-Off (Teens)

One full week with each parent. Transitions happen on Fridays or Mondays. Best for older children who want fewer interruptions to their social life.

The 2-2-5-5 (Balanced)

You always have the same weekdays (e.g., Mon/Tue with Mom, Wed/Thu with Dad), and alternate weekends. Easy to remember for school/activities.

50/50 without Overnights?

Rare but possible. If one parent works nights, 50% time might be achieved through daytime care, though this is logistically difficult.

Does Shared Parenting Work for Everyone?

It Works When…

Communication:

Parents can text/email without fighting.

Proximity:

Parents live near each other (same school zone).

Competence:

Both parents are capable of handling daily routines (homework, doctors).

It Fails When…

High Conflict:

Parents use exchanges to yell at each other.

Distance:

The commute is too long for the child.

Safety Issues:

Abuse, addiction, or neglect makes one home unsafe. In these cases, the court will deny 50/50.

Does 50/50 Lower Child Support?

The ‘Set-Off’ Rule explained.

The 40% Threshold

To qualify for a reduction, you must have the child at least 40% of the time (146 nights/year).

The Calculation

You do not pay $0. We calculate what Parent A would pay, calculate what Parent B would pay, and the higher earner pays the difference (Set-Off).

Section 7 Expenses

Special expenses (daycare, sports) are still split in proportion to income, regardless of the 50/50 schedule.

The Cliff Effect

Warning: Fighting for 40% time *just* to lower support is transparent to judges. Focus on the child, not the wallet.

50/50 Custody FAQs

Related Resources

Joint vs. Sole Custody Ontario

Understanding the difference between decision-making responsibility and parenting time.

Parenting Plan Lawyers in Ontario

How to draft a detailed parenting schedule that covers holidays, vacations, and transitions.

Child Support Calculator

Calculate the set-off amount for shared parenting arrangements.

Your Guide to the 60/40 Custody Schedule

How the 60/40 arrangement works and when it’s the right choice.

Status Quo Trap: Interim Custody Danger

Why the arrangement you accept now can crystallize into a permanent order.

Parallel Parenting vs. Co-Parenting

Which approach works best for your situation and conflict level.

Deepa Tailor

Senior Family Lawyer

Deepa Tailor is the founder of Tailor Law. She helps parents negotiate durable 50/50 parenting plans that prioritize stability and reduce conflict.

Designing a 50/50 Schedule That Works?

Let’s create a parenting plan that balances your child’s needs with both parents’ schedules.

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