Florida Child Support Policy 2024-2026
Complete reference guide to Florida's income shares model including the 73-overnight substantial timesharing rule, 1.5x gross-up multiplier, integrated healthcare costs, and calculation framework under Florida Statute § 61.30.
Quick Reference: Key Policy Elements
Income Shares
Source: F.S. § 61.30
73 Overnights/Year
Source: F.S. § 61.30(11)(b)
1.5x Base Obligation
Source: F.S. § 61.30(11)(b)
Timesharing Threshold Rules
How Overnight Count Affects Calculation Method
Florida uses overnight count to determine which calculation formula applies. The 20% threshold (73 overnights annually) triggers the substantial timesharing formula with 1.5x gross-up multiplier to account for dual-household costs.
Annual Overnights | Percentage | Formula Applied | Gross-Up |
---|---|---|---|
0-72 | <20% | Standard Formula | No |
73+ | ≥20% | Substantial Time Formula | Yes (1.5x) |
183 | 50% | Substantial Time Formula | Yes (1.5x) |
Florida Calculation Framework
Step-by-Step Process for Both Formula Types
Florida's income shares model recognizes that maintaining two households for children costs more than one due to duplicated expenses. The substantial timesharing formula (≥73 overnights) uses a 1.5x multiplier to increase available support, then allocates based on both income share and actual parenting time.
- Calculate Each Parent's Net Income
Start with gross income from all sources. Subtract only statutory deductions: taxes (federal/state/local), FICA, mandatory union dues, mandatory retirement, health insurance for self/other children (excluding subject children), court-ordered support for others, and alimony actually paid.
- Determine Combined Net Income and Base Obligation
Add both parents' net incomes. Look up base monthly obligation from Child Support Guidelines Schedule (F.S. § 61.30(6)) based on combined net income and number of children. For income above $10,000/month, use statutory percentage formula.
- Check for Substantial Timesharing (≥73 Overnights)
Count each parent's annual overnights. If either parent has ≥73 overnights (≥20%), apply substantial timesharing formula: multiply base obligation by 1.5x to create grossed-up obligation. If both parents are below 73 overnights, use standard formula.
- Apportion Obligation Based on Income Shares
Calculate each parent's percentage of combined net income. Multiply the (possibly grossed-up) base obligation by each parent's income percentage to determine their share of the obligation.
- Apply Timesharing Cross-Multiplication (if applicable)
If using substantial timesharing formula: multiply each parent's apportioned obligation by the OTHER parent's overnight percentage. This adjusts financial responsibility based on actual time spent caring for children. Offset the two amounts to determine net transfer.
- Add and Prorate Healthcare and Childcare Costs
Calculate total monthly cost of child's health insurance and work-related childcare. Prorate these add-on costs between parents based on their income percentage (from step 4). Credit the parent who directly pays these expenses. Adjust final support amount accordingly.
Real-World Calculation Examples
Three Common Florida Scenarios
Parent A Income:
$75,000/year
Parent B Income:
$45,000/year
Children:
2
Annual Overnights:
A: 300, B: 65
Base Obligation:
$1,456/month
Adjustment:
Standard proration
Final Amount: $545/month
Parent B has <20% overnights (65/365). Standard formula applies. Parent B pays 37.5% of $1,456 based on income share.
Parent A Income:
$90,000/year
Parent B Income:
$60,000/year
Children:
1
Annual Overnights:
A: 219, B: 146
Base Obligation:
$1,250/month
Adjustment:
1.5x gross-up applied
Final Amount: $325/month
Both parents >20% overnights. Base obligation grossed up to $1,875. Each parent's share cross-multiplied by other's overnight %. Offset determines transfer.
Parent A Income:
$72,000/year
Parent B Income:
$48,000/year
Children:
2
Annual Overnights:
A: 183, B: 182
Base Obligation:
$1,400/month + $450 health
Adjustment:
50/50 offset + healthcare proration
Final Amount: $455/month
Equal timeshare. Grossed obligation $2,100. After offset: $270. Add prorated healthcare ($185 A pays). Net: $455 from A to B.
Frequently Asked Questions
Common Questions About Florida Child Support
Florida Statute § 61.30(11)(b) establishes that when a parent exercises timesharing for at least 73 overnights per year (equivalent to 20% of the year), they are deemed to have a "substantial amount of time" with the child. This threshold triggers a more complex calculation method called the substantial timesharing formula or gross-up method. The rationale is that maintaining two separate households for children is significantly more expensive due to duplicated fixed costs like housing and utilities. When both parents meet this threshold, the basic support obligation is multiplied by 1.5x before being allocated.
When the substantial timesharing threshold is met (≥73 overnights), Florida law requires the base child support obligation from the guidelines schedule to be multiplied by 1.5. This creates a "grossed-up" total obligation that acknowledges the economic reality of dual-household child-rearing costs. After gross-up, each parent's proportional share is calculated based on their income percentage, then cross-multiplied by the other parent's overnight percentage. The formula ensures support allocation reflects both financial capacity and actual parenting time, with the higher obligation parent making a net payment to the lower obligation parent.
Under F.S. § 61.30, healthcare insurance premiums and work-related childcare costs are NOT included in the base support obligation from the guidelines schedule. Instead, they are added on top after the base calculation is complete. The monthly costs for the child's health insurance premium and employment-related childcare are totaled separately. These combined costs are then prorated between parents based on their percentage share of combined net income. The parent who directly pays these expenses (e.g., health insurance deducted from their paycheck) receives a credit against their final support obligation.
Florida Statute § 61.30 defines gross income very broadly as income "from whatever source derived." Includable sources: wages, salaries, bonuses, commissions, tips, overtime, business income (gross receipts minus ordinary/necessary business expenses), disability benefits, workers' compensation, unemployment, pension/retirement payments, Social Security benefits (including child benefits based on parent's retirement/disability), spousal support from another relationship, interest, dividends, rental income, royalties, trust income, and reimbursed expenses that reduce living costs. Explicitly excluded: public assistance programs under F.S. § 409.2554.
Florida allows a specific, limited list of deductions to calculate net income: (1) federal, state, and local income taxes based on filing status and dependents, (2) FICA or self-employment tax, (3) mandatory union dues, (4) mandatory retirement payments (not voluntary 401k contributions), (5) health insurance premiums for the parent and OTHER children (excluding the children subject to the current order), (6) court-ordered support for other children that is actually being paid, and (7) alimony paid pursuant to a court order from a previous marriage that is actually being paid. Notably absent: mortgage, rent, car payments, or voluntary savings.
The Child Support Guidelines Schedule in F.S. § 61.30(6) provides a statutory table for combined monthly net incomes up to $10,000. For combined net incomes exceeding $10,000 per month, the statute provides a percentage-based formula rather than a fixed table amount. The court calculates support using these specified percentages applied to the excess income above $10,000, added to the base obligation at the $10,000 level. This ensures high-income families still have a guideline calculation while recognizing that child-rearing costs do not increase proportionally at very high income levels.
Related Florida Resources
Last Updated: January 2025 | Next Review: July 2025
Data sourced from Florida Statute § 61.30, Child Support Guidelines Schedule, and Florida Courts official resources.