Figuring out child support in Texas doesn't require a law degree, but it does require moving past gross income numbers. State guidelines use a strict formula based on net resources, specific statutory caps, and the number of children you need to support. If you're trying to estimate monthly obligations or prepare for a court hearing, you need to understand how the Office of the Attorney General calculates these figures under Texas Family Code Chapter 154.
Texas child support relies on a flat percentage model applied to monthly net resources. The paying parent, known as the obligor, typically pays a set percentage of their capped net earnings depending on how many children are before the court. Understanding this exact sequence helps you spot errors in proposed orders and plan your household budget realistically.
Step 1: Calculate Gross Income and Statutory Net Resources
The calculation starts with gross income, which includes far more than a standard base salary. Texas family law counts wages, commissions, tips, overtime, bonuses, dividends, severance pay, retirement benefits, pensions, trust income, and capital gains. Even unemployment benefits and disability payments count toward the total.
Once you establish gross monthly income, you subtract specific statutory deductions to arrive at net resources. You cannot subtract arbitrary household bills or car payments. Only the following deductions apply:
- Social Security taxes or mandatory retirement contributions where Social Security isn't withheld
- Federal income tax calculated using standard single filer rates with one personal exemption
- Union dues paid
- Health insurance and dental insurance premiums paid specifically for the children
For self-employed parents, net resources require calculating gross receipts minus ordinary and necessary business expenses, self-employment taxes, and standard depreciation. You cannot deduct historical business losses or accelerated depreciation schedules that don't reflect actual cash flow.
Step 2: Apply the Standard Guideline Percentages
Once you have the monthly net resources figure, the state applies a standard percentage scale based on the number of children involved in the current legal action. These percentages assume all children reside in a single household:
- One child: 20 percent of net resources
- Two children: 25 percent of net resources
- Three children: 30 percent of net resources
- Four children: 35 percent of net resources
- Five or more children: Not less than 40 percent
For example, if a parent has calculated net resources of $5,000 per month and owes support for two children, the baseline calculation is 25 percent of $5,000, which equals $1,250 per month.
Step 3: Factor in the Monthly Income Cap
Texas enforces a statutory cap on the net resources subject to standard percentage guidelines. The cap sits at $11,700 per month in net resources.
If a paying parent earns net resources totaling $15,000 a month, the standard percentage for one child applies only to the first $11,700, resulting in a baseline maximum of $2,340 per month. Courts can order additional support above this cap only if the custodial parent proves the child has specialized needs that exceed standard upbringing costs. Without proof of proven needs, courts rarely exceed the statutory cap.
Adjustments for Multiple Households and Low Income
Life gets complicated when a parent supports children across multiple households. The Texas Family Code provides a multiple-family adjustment chart. If an obligor has legal a duty to support children in another household—such as from a prior marriage—the standard guideline percentage drops slightly. For instance, a parent paying for two children before the court while also legally supporting three other children elsewhere will see their percentage reduced under the multiple-family tables.
Conversely, low-income guidelines apply when a parent's net resources fall below $1,000 per month. Under the low-income schedule, the percentage for one child drops from 20 percent to 15 percent, and other tiers scale down similarly to ensure the obligor retains enough income for basic survival.
Common Mistakes to Avoid in Child Support Calculations
Parents often rely on faulty assumptions when estimating obligations, leading to friction in family court.
Don't calculate percentages using gross pay. Using a gross salary figure instead of statutory net resources inflates the expected support amount significantly. Always verify that taxes and health insurance deductions follow the exact statutory formulas rather than actual year-end tax returns, as the state uses standardized tax assumptions.
Another frequent error involves informal payment agreements. Handing cash to the other parent or paying for groceries directly does not reduce official court-ordered arrears unless documented and approved through a formal modification. If your income drops due to a job loss, don't wait to file for a modification. Courts generally cannot retroactively alter past-due support obligations that accrued before a formal modification motion was filed.
Frequently Asked Questions
Does 50/50 custody eliminate child support in Texas?
Equal parenting time doesn't automatically eliminate child support. Texas courts look at the financial resources and earning capacities of both parents. If one parent earns significantly more, the court may still order monthly support to bridge the economic gap between households, even with a shared possession schedule. Alternatively, judges may adjust support downward or order each parent to cover specific expenses directly during their respective periods of possession.
How do health insurance costs affect the final payment?
The parent ordered to provide health and dental insurance for the child receives a credit against the net resource calculation. If the obligor pays the monthly insurance premium out-of-pocket, that specific cost is factored into the deductions during Step 1, which lowers the net resources and reduces the final monthly support obligation.
Can child support be modified if my income changes?
Yes. You can request a child support modification if it has been at least three years since the last order was rendered, or if the monthly amount calculated under current guidelines differs by either 20 percent or $100 from the existing order. Significant changes in employment or earning capacity also serve as valid grounds to petition the court for a formal adjustment.
What happens if the paying parent is voluntarily unemployed?
If a court determines a parent is intentionally unemployed or underemployed to avoid paying support, the judge can impute income. This means the court calculates support based on what the parent ought to be earning given their employment history, education, and local labor market conditions, rather than their current zero-dollar paycheck.
