Free Family Law Calculators

13 tools

Child support, alimony, divorce cost, and custody calculators. Browse our free family law tools below — no sign-up required.

Adoption Cost Estimator

Free adoption cost calculator. Estimate total adoption expenses including home study, agency fees, legal costs, court fees, and travel expenses.

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Alimony Estimator

Free alimony calculator estimates spousal support payments using income differential, duration factor, and state modifier formulas.

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Child Support Estimator

Compare simplified income-shares and percentage-of-income child support worksheets using monthly income and child count inputs.

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Custody Schedule Calculator

Convert a custody schedule into a parenting-time percentage using overnights per year and common schedule presets.

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Divorce Cost Estimator

Free divorce cost calculator estimates total expenses including filing fees, attorney costs, mediator fees, expert witnesses, and court costs.

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Guardianship Cost Calculator

Free guardianship cost calculator. Estimate petition filing, attorney fees, guardian ad litem, bond, and annual reporting costs for guardianship.

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Marital Asset Split Calculator

Estimate a marital estate by totaling assets and debts, then compare each spouse’s share under a chosen split method.

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Parenting Time Percentage Calculator

Free parenting time percentage worksheet. Convert annual days with each parent into a neutral percentage split for schedule comparison and planning.

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Prenuptial Planning Calculator

Free prenuptial agreement cost calculator. Estimate attorney fees, negotiation time, and financial disclosure preparation costs for a prenup.

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Property Division Calculator

Free property division calculator for divorce. Compare equitable distribution vs. 50/50 community property split of marital assets and debts.

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QDRO Cost Calculator

Free QDRO cost calculator. Estimate qualified domestic relations order preparation costs ($500-$2,500) for dividing retirement accounts in divorce.

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Spousal Support Duration Calculator

Free spousal support duration worksheet. Review broad duration ranges from marriage length and household context without treating them as current-law results.

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