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Washington Parenting Time Calculator

Free AI-powered calculator using Washington's official statutory formula.

How Washington Calculates It

Washington State calculates parenting time using overnight counts under RCW 26.09.184, which requires every parenting plan to include a residential schedule designating which parent's home each child resides in on specific days. Parents with more than 90 overnights annually (approximately 25% of the year) may request a child support deviation under RCW 26.19.075(1)(d) for significant residential time, though Washington does not have a fixed shared custody formula—courts evaluate each case individually based on increased expenses during parenting time. Common Washington parenting schedules include the 2-2-3 rotation (182.5 overnights each, 50% split), alternating weeks (182.5 overnights, 50%), and the traditional every-other-weekend plus one midweek evening (approximately 52-78 overnights annually, 14-21%). The state's FL All Family 140 Parenting Plan form requires parents to specify residential schedules for regular weeks, holidays, birthdays, and summer vacations. Under RCW 26.09.187, courts consider the child's developmental level when establishing schedules—infants typically have shorter, more frequent exchanges while teenagers may receive longer blocks with each parent.

Washington courts give the greatest weight to the relative strength and stability of each child's relationship with both parents. The 2026 child support schedule changes (effective January 1, 2026) expanded the economic table to $50,000 combined monthly income, affecting support calculations even in 50/50 residential arrangements where one parent earns significantly more.

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Victoria will walk you through the calculation step by step, using Washington's statutory guidelines. She'll ask for the information needed and explain how each factor affects your result.

Parenting Time Calculator

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Frequently Asked Questions

How is parenting time calculated in Washington?

Washington calculates parenting time by counting overnight stays per year out of 365 total nights. Under RCW 26.09.184, every parenting plan must include a residential schedule specifying which parent's home the child resides in on each day. The parent with more than 182.5 overnights annually is designated the primary residential parent, while exactly equal overnights creates a true 50/50 arrangement with no primary parent designation.

What parenting time percentage qualifies for shared custody in Washington?

Washington does not have a statutory shared custody threshold, but courts typically consider 90 or more overnights annually (approximately 25%) as 'significant residential time' that may warrant a child support deviation under RCW 26.19.075(1)(d). Unlike states with automatic formulas, Washington requires parents to specifically request the deviation, and courts evaluate whether reduced support would leave the receiving household with insufficient funds to meet the child's basic needs.

What is a 2-2-3 custody schedule in Washington?

A 2-2-3 schedule rotates children between homes in a repeating two-week pattern: Parent A has two days, then Parent B has two days, then Parent A has three days including the weekend. The following week reverses. This schedule provides exactly 50% parenting time (182.5 overnights each annually) and is popular in Washington for young children who benefit from frequent contact with both parents while ensuring each parent gets weekend time.

How does parenting time affect child support in Washington?

When the paying parent has significant residential time (typically 90+ overnights annually), they may request a deviation from the standard child support calculation under RCW 26.19.075(1)(d). Washington uses a residential credit formula: multiply each parent's basic support obligation by 1.5, then by the percentage of time the child spends with the other parent, and offset the amounts. Even 50/50 schedules often involve support payments when parents have unequal incomes.

Can I modify a parenting plan in Washington?

Yes, Washington allows parenting plan modifications under RCW 26.09.260 upon showing a substantial change in circumstances. Minor modifications not exceeding 24 days annually qualify for simplified procedures if they don't change the child's primary residence. Parents can also request adjustments that bring the non-primary parent to up to 90 overnights using a streamlined process, without proving substantial change in circumstances.

What is the best custody schedule for toddlers in Washington?

Washington courts recognize that toddlers need shorter, more frequent exchanges to maintain attachment with both parents. RCW 26.09.187 requires courts to consider the child's emotional needs and developmental level. Common toddler schedules include multiple short visits per week rather than extended overnights, with primary residence typically remaining with one parent. As children approach age 3-4, most families transition to longer blocks with each parent.

How are holidays divided in Washington custody agreements?

Washington parenting plans typically alternate major holidays annually—for example, Parent A has Thanksgiving in odd years while Parent B has Christmas, then they switch in even years. Under the FL All Family 140 form, parents must specify schedules for each holiday, including start and end times. Holiday schedules override regular residential schedules. Winter break is often split, with one parent having Christmas through December 26 and the other having December 26 through New Year's Day.

What is first right of refusal in Washington custody?

First right of refusal requires a parent to offer childcare time to the other parent before using a babysitter or third-party care. Washington courts do not automatically include this provision—parents must specifically agree to it in their parenting plan. Effective provisions specify the minimum absence duration (typically 5-8 hours), notice requirements, and response timeframes. Courts may decline to order this provision when there is a history of domestic violence or high conflict between parents.

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