Florida Child Support: How It's Calculated

Florida uses an income shares schedule based on the parents' combined net income, with a time-sharing adjustment once each parent has at least 73 overnights a year.

By Charlie Brennan · Updated · Cited to official Florida sources

Florida child support at a glance

Official calculator or worksheet: Florida Child Support Guidelines Worksheet, Form 12.902(e)

Florida has no official state online calculator; the court-approved worksheet is Form 12.902(e).

This page explains the rules; it does not calculate an order. Health insurance, child care, other children and deviations change the result. Use the official tool and confirm with a family-law attorney licensed in Florida.

Estimate before you use the official tool

Divorce Number's child support estimator runs a simplified income-shares estimate in your browser. Florida's official calculator or worksheet is the one a court uses.

Frequently asked questions

How is child support calculated in Florida?

Florida uses an income shares schedule based on the parents' combined net income, with a time-sharing adjustment once each parent has at least 73 overnights a year. Each parent's net income, added together for a combined net income (Fla. Stat. §61.30).

Does shared custody lower child support in Florida?

A time-sharing adjustment applies when each parent exercises time-sharing at least 20 percent of the overnights in a year, which is 73 overnights (§61.30(11)(b)).

When does child support end in Florida?

At 18; a court may extend support to 19 for a dependent child still in high school who is expected to graduate before 19 (§743.07).

Child support guidelines in other states

California · Georgia · Illinois · Michigan · Missouri · New Jersey · New York · North Carolina · Ohio · Pennsylvania · Texas · Virginia · West Virginia

Sources

Read on official Florida sources and checked October 21, 2026. Guidelines change; confirm the version that applies to your case.