Texas Child Support Calculator
General information, not legal advice.
How Texas sets child support
Texas sets child support by the percentage of income method under Tex. Fam. Code 154.125. The rule has been in force since September 1, 2025.
- Coverage
- Calculated by the support engine
- Method
- percentage of income
- Source
- Tex. Fam. Code 154.125 (application of guidelines to net resources), including (a) cap as published by the Title IV-D agency in the Texas Register, (a-1) six-year inflation adjustment, (b) standard schedule, (c) low-income schedule; 154.126 (additional net resources); 154.129 (multiple-family alternative method); net resources 154.062
- In force from
- September 1, 2025
- Rule version
- 2025-09-01
- Inputs it needs
- Obligor net monthly, Children
- Optional inputs
- Other children supported
Rule details as of 2026-10-25. The calculator above reads the current rule. Where the rule gives no formula, no figure is shown.
Turn this estimate into a brief for your case
Upload your documents and get a sourced brief: your key facts, support figures with every step shown, and your state’s rules.