Estimate your Florida child support in a couple of minutes. This free calculator runs your numbers through Florida’s child support guidelines (Fla. Stat. §61.30) and gives you a ballpark monthly amount, plus who pays whom. It’s built for Florida cases only, and it’s an estimate for planning, not legal advice.
A plain-language estimate based on Florida’s child support guidelines (Fla. Stat. §61.30). This is an educational estimate, not legal advice.
Take-home after taxes, health insurance, mandatory retirement (§61.30).
Nights the child is with Parent 1 (both add up to ~365).
Same basis: monthly take-home pay.
Nights the child is with Parent 2.
No attorney-client relationship. Using this tool, or contacting Legal Lotus through it, does not create an attorney-client relationship. The information provided is not legal advice, is not a solicitation, and is not a substitute for advice from a qualified Florida attorney. You should not act on it without first consulting counsel about your specific situation.
Source: Fla. Stat. §61.30 (2025). Prepared by Legal Lotus, P.A.
How is child support calculated in Florida?
Florida uses an “income shares” model. The idea is that a child should get roughly the same share of the parents’ income they would have if the family were together. Here’s the flow the calculator follows:
- Add both parents’ net monthly incomes (take-home after taxes, health insurance, and mandatory retirement).
- Look up the basic support obligation for that combined income and number of children on the state guidelines schedule (§61.30(6)).
- Split that obligation between the parents in proportion to their incomes.
- Adjust for time-sharing. When each parent has the child at least 20% of the year (73+ overnights), Florida uses a “gross-up” that factors in each parent’s overnights (§61.30(11)(b)).
- Add child care and the child’s health insurance, divided by income share.
The result is the presumptive amount. A judge can order more or less based on the full worksheet (Form 12.902(e)) and the specifics of your case (§61.30(11)).
What changes the number most?
Both parents’ incomes, the number of children, and the overnight schedule move the result the most; child care and health insurance costs matter too. Because Florida now presumes equal time-sharing in many cases, overnights often push the math into the gross-up method, so getting those numbers right matters.
Frequently asked questions
How much is child support in Florida?
There’s no flat number. It comes from the §61.30 guidelines: the combined-income schedule, each parent’s income share, and the overnight split. The calculator above gives you an estimate.
Does 50/50 time-sharing cancel child support?
Not automatically. Even with equal overnights, if one parent earns more they usually still pay something, because the guidelines account for the income gap.
Can child support be changed later?
Yes. A parent can ask the court to modify support when there’s a substantial change in circumstances. See child support modifications in Florida.
Is this calculator only for Florida?
Yes. It uses Florida’s §61.30 guidelines and schedule. Other states calculate support differently, so don’t rely on it for a non-Florida case.
Related reading
- How child support works in Florida
- Introduction to child support in Florida
- Child support modifications in Florida
- How to enforce a child support order in Florida
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