100% free · No signup · No paywalls

Every calculator and planning tool — free for every family.

Covering all 50 states, Washington D.C., and every U.S. territory. Explore the full toolbox below and start with whichever tool fits your moment.

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Calculators

Estimate support in any jurisdiction

Universal Calculator

Every state's guideline formula in one place.

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Interactive Map

Tap a state or territory to see the rules that apply.

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State Guides

In-depth reference for every U.S. jurisdiction.

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Territory Guides

Dedicated coverage for D.C. and U.S. territories.

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Planning

Model scenarios and plan ahead

Scenario Comparison

Compare two arrangements side-by-side.

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What-If Forecasting

Simulate raises, job changes, and life events.

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Compare States

See how estimates change across jurisdictions.

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Shared Custody Planner

Model overnights and parenting-time impact.

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Financial wellness

Organize the bigger picture

Budget Planner

Build a realistic monthly budget around support.

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Expense Tracker

Track childcare, healthcare, and reimbursements.

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Financial Tools

Savings goals, tax impact, and more.

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Printable Reports

Export clean PDFs for planning and prep.

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Guidance

Resources for the human side

Co-Parenting Resources

Communication scripts and shared planning.

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Family Wellness

Calm, judgment-free guidance through transition.

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Resource Library

Guides, checklists, and educational hubs.

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AI Insights

Personalized, educational planning summaries.

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No accounts. No subscriptions. Just tools that help.

Everything on this site — from state calculators to forecasting tools — is completely free for every parent, in every jurisdiction.

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