Child Support in Nevada: How It's Calculated
Nevada uses the Percentage of Income Model (NAC 425) to determine child support obligations. This guide walks through how the formula works, what factors Nevada courts consider, and how to modify or enforce an order — with links to official Nevada resources.
Percentage of Income Model (NAC 425) in Nevada
Nevada uses a Percentage of Income Model under Nevada Administrative Code 425. The formula varies based on the custody arrangement. For primary physical custody, a percentage of the non-custodial parent's gross monthly income applies. For joint physical custody, both parents' incomes are considered and offsets calculated.
Nevada's primary custody percentages are: 1 child — 18%, 2 children — 25%, 3 children — 29%, 4 children — 31%, 5 or more — 33% of the non-custodial parent's gross monthly income. For joint physical custody (defined as 40% or more time with each parent), Nevada calculates each parent's obligation separately and offsets them, with the higher-earning parent owing the difference.
Key Factors Nevada Courts Consider
- Non-custodial parent's gross monthly income (primary custody) or both parents' income (joint custody)
- Number of children
- Custody arrangement — primary vs. joint physical custody changes the formula significantly
- Child's health insurance costs
- Work-related childcare expenses
- Any special needs of the child
- Deviation factors such as low income of the paying parent
Official Nevada Resources
Get an accurate number from an official source
Child support calculations are complex and fact-specific. For an accurate figure, use Nevada's official worksheet or consult a licensed family law attorney. This guide explains the framework — it does not produce a binding calculation.
Step-by-Step: How Nevada's Formula Works
Here is how Nevada applies the Percentage of Income Model (NAC 425) to calculate a child support obligation, step by step:
1. Determine the paying parent's income
Nevada applies its formula to the paying (non-custodial) parent's income. Nevada's primary custody percentages are: 1 child — 18%, 2 children — 25%, 3 children — 29%, 4 children — 31%, 5 or more — 33% of the non-custodial parent's gross monthly income.
2. Apply the state's percentage to income
A fixed percentage is applied based on the number of children. 1 child — 18%, 2 children — 25%, 3 children — 29%, 4 children — 31%, 5 or more — 33% of the non-custodial parent's gross monthly income
3. Add health insurance and childcare if applicable
In Nevada, health insurance premiums for the child and work-related childcare costs may be added to the base support amount or ordered separately, depending on the specific statute.
4. Apply parenting time adjustments
If the paying parent exercises significant parenting time, Nevada may reduce the obligation. Non-custodial parent's gross monthly income (primary custody) or both parents' income (joint custody)
5. Apply income caps and deviation factors
Nevada may cap the income subject to the percentage, and courts can deviate from the guideline amount with written findings that the formula result would be unjust or inappropriate.
Document Everything for Your Nevada Case
Nevada courts rely on documented records — parenting time logs, expense receipts, and payment histories. ReplyCalmly helps you track all of it and generate organized, exportable reports.
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