FamilyLawFinder

Child Support Calculator

Free, accurate child support estimates using official state guidelines. Select your state to get started.

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17 states have a live calculator — tap any state to get started.

17 live calculators50 states coveredOfficial guideline sources

All 50 states

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Instant results based on official guideline methods. No signup required.

Maryland

Guideline schedule + shared custody support.

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Texas

Net resources + cap. Fast estimate.

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California

Income + timeshare. Full breakdown.

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Ohio

Income shares + worksheet logic.

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Michigan

Income shares + parenting-time offset.

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New Hampshire

% of combined net income. Pay-frequency converter.

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Virginia

Income shares. Worksheet A & B (sole + shared).

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Pennsylvania

Income shares. 40% custody trigger, equalization ceiling.

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New Jersey

Income shares. Sole & shared worksheets, 104-overnight switch.

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South Carolina

Income shares. Graduated blend between sole and shared custody.

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Alaska

Percentage of the paying parent's income. Primary & shared custody.

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Oregon

Income shares schedule + a continuous parenting-time credit.

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Tennessee

Income shares. Continuous variable-multiplier parenting-time adjustment.

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Kentucky

Income shares. Flat-percentage shared parenting time credit.

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Washington

Income shares. Per-child economic table, no parenting-time credit.

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Florida

Income shares. 73-overnight gross-up, high-income formula.

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Massachusetts

Income shares. Weekly gross-income formula, no overnight count.

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Last reviewed Aug 2026 · Sources linked in results

Not legal advice · Courts may deviate

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