Florida Child Support Guidelines
Child support in Florida is determined by a structured statutory formula designed to allocate financial responsibility between parents in a predictable and equitable manner. The calculation is not discretionary at the outset; it begins with defined income categories, required deductions, and a guideline schedule established under §61.30 of the Florida Statutes. From there, the final support amount is shaped by each parent’s proportional share of net income, the number of overnights exercised, and specific child-related expenses such as health insurance and childcare. Understanding how these components interact is essential for estimating a likely payment obligation or expected support award and for recognizing when adjustments, deviations, or modifications may apply.
How the Formula Works
Florida follows the Income Shares Model. The idea is that a child should receive the same proportion of parental income they would have received if the parents lived together.
The calculation moves in a specific order:
- Determine each parent’s monthly gross income.
- Subtract allowed deductions to reach net income.
- Combine both parents’ net incomes.
- Apply the statutory guideline chart to find the basic child support obligation.
- Divide that obligation according to each parent’s percentage share of income.
The parent who does not have the majority of overnights usually pays their share to the other parent.
Gross Income: What Counts
Gross income includes more than wages. It can include:
- Salary and hourly wages
- Overtime, bonuses, and commissions
- Self-employment income (after ordinary business expenses)
- Rental or investment income
- Social Security benefits
- Disability benefits
- Workers’ compensation
- Unemployment compensation
If a parent is voluntarily unemployed or underemployed, the court may assign imputed income based on earning capacity.
Deductions That Reduce Income
Certain amounts are subtracted from gross income to reach net income:
- Federal income tax
- FICA taxes
- Mandatory retirement payments
- Health insurance premiums for the child
- Court-ordered support for other children
These deductions directly affect the final support amount because the formula is based on net income.
Combined Net Income and the Guideline Chart
After both parents’ net incomes are calculated, they are added together. The statute contains a guideline chart that assigns a basic child support obligation based on the combined monthly net income and the number of minor children. This number represents the estimated monthly cost of raising the child.
Each parent is responsible for their proportional share. If one parent earns 60% of the combined income, that parent is responsible for 60% of the obligation.
Parenting Time and Overnight Adjustments
Parenting time changes the payment amount. If a parent exercises substantial time-sharing (at least 73 overnights per year), the court applies an adjustment formula that accounts for duplicated household expenses.
In equal 50/50 time-sharing cases, child support is often reduced but rarely eliminated. The higher-earning parent typically still pays support to balance the income difference between households.
The key relationship is this: more overnights increase shared expenses, which reduces the transfer amount between parents.
Additional Expenses Added to the Base Amount
The basic obligation does not include certain child-specific costs. These are added and divided proportionally:
- Child care or daycare expenses
- After-school care
- Uncovered medical, dental, and vision expenses
- Health insurance for the child
Extraordinary expenses, such as special needs costs or significant travel for visitation, may also be included. These additions increase the total obligation before it is divided between the parents.
Deviations From the Guideline Amount
The guideline amount is presumed correct, but courts may deviate upward or downward if justified.
Reasons for deviation can include:
- Extraordinary medical or educational expenses
- Independent income of the child
- Seasonal variations in income
- High-income cases beyond the guideline chart
- Special needs of the child
Any deviation must be supported by written findings explaining why the guideline amount would be unjust or inappropriate.
Duration of Child Support
In most cases, child support ends when the child turns 18. It may continue until age 19 if the child is still in high school and expected to graduate before that age. Support can extend longer if a child is dependent due to mental or physical incapacity.
The termination date is typically stated in the final judgment.
Modification of Child Support
Support can be modified if there is a substantial, permanent, and involuntary change in circumstances.
A common threshold for modification is a change that results in at least a 15% or $50 per month difference, whichever is greater, between the existing monthly support order and the recalculated monthly guideline amount.
Changes may result from job loss, income increases, new health insurance costs, or significant changes in parenting time.
Courts generally cannot retroactively reduce support before the date a modification petition is filed.
Enforcement
If support is not paid, enforcement tools may include:
- Income withholding orders
- Wage garnishment
- Suspension of driver’s licenses
- Contempt proceedings
- Intercept of tax refunds
Unpaid support becomes arrears and can accrue interest.
Core Variables That Determine Child Support
Child support in Florida is driven by three core variables: each parent’s net income, the number of overnights exercised, and additional child-specific expenses. Understanding how these components interact allows you to estimate what you will likely pay or receive under Florida’s child support guidelines.