Educational estimate only — not legal advice. Nothing on this site creates an attorney-client relationship. Consult a licensed attorney for guidance on your case.
Family Support CalcGuideline estimates for U.S. families
U.S. family law calculators

Free, source-cited estimates — before you talk to a lawyer

Family Support Calc builds single-purpose, browser-based calculators for family law estimates — child support and alimony, state by state — built directly from official statutes and guideline worksheets, not third-party summaries.

Available now

Live · Florida

Florida Child Support Calculator

Estimate your guideline child support amount under the official income shares model (Fla. Stat. § 61.30), including the shared time-sharing adjustment and health insurance/childcare credits. Free, private, calculated entirely in your browser.

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Live · Texas

Texas Child Support Calculator

Estimate your guideline child support amount under the official percentage-of-income model (Tex. Fam. Code § 154.125), including the $11,700 net-resources cap and the low-income schedule. Free, private, calculated entirely in your browser.

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Live · Ohio

Ohio Child Support Calculator

Estimate your guideline child support amount under the official income shares model (R.C. 3119.021), using the current JFS 07767 (Rev. 6/2023) schedule — including the 90-overnight parenting-time adjustment and cash medical support. Free, private, calculated entirely in your browser.

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Live · Indiana

Indiana Child Support Calculator

Estimate your guideline child support amount under Indiana's income shares model, using the official Guideline Schedules for Weekly Support Payments and the full Parenting Time Credit table — including the weekly income basis and overnight-based credit from 52 to 183 nights. Free, private, calculated entirely in your browser.

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Live · Virginia

Virginia Child Support Calculator

Estimate your guideline child support amount under Va. Code § 20-108.2, covering both sole custody and shared custody — with the statutory 1.4 shared custody multiplier, the 91-day threshold, and linear extrapolation between schedule steps. Free, private, calculated entirely in your browser.

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In progress

We publish one state and one topic at a time, and only after the formula has been sourced from the official statute and tested against known worked examples. Nothing goes live half-verified.

In progress

More states, and alimony

Additional child support states and an alimony calculator are in development. Each one will follow the same sourcing and testing process as the Florida calculator before it publishes — see our methodology for details.