How is child support calculated in Nevada?

Using a tiered percentage-of-income formula under Nevada Administrative Code Chapter 425, effective since February 1, 2020, replacing the prior flat-rate structure under NRS 125B.070. For one child: 16% on the first $6,000 of the obligor's gross monthly income, 8% between $6,001 and $10,000, and 4% above $10,000.

What are the percentages for two children?

22% on the first $6,000, 11% between $6,001 and $10,000, and 6% above $10,000. Each additional child beyond four adds 2% on the first $6,000, 1% on income from $6,001 to $10,000, and 0.5% above $10,000.

Did Nevada always calculate support this way?

No. The 2020 overhaul eliminated the former presumptive maximum cap, which had limited payments to roughly $1,165 per child per month regardless of income, replacing it with the current tiered structure that scales with actual income.

How is child support enforced in Nevada?

Income withholding is the most common tool, with the employer required to begin deducting support within 7 business days of receiving the order. Nevada permits garnishment of 50% of disposable earnings if the obligor supports another spouse or child, 60% if not, plus an additional 5% (up to 55% or 65%) if more than 12 weeks behind.

Nevada, United States

Nevada Child Support: A Parent's Guide

Q: How do I request a modification in Nevada?

By showing a material change in circumstances. Under NRS 125B.145, a 20% or greater change in the paying parent's gross monthly income automatically qualifies as a changed circumstance supporting a modification.

How child support works in Nevada, in plain English: the tiered percentage formula, modification, and withholding enforcement.

Legal sources reviewed: August 10, 2026

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In short: Nevada replaced its old flat-percentage support model in 2020 with a tiered percentage applied across three income brackets, removing the previous cap that limited payments regardless of actual income. A 20% or greater income change automatically qualifies as grounds for modification, and enforcement allows garnishment up to 65% of disposable earnings in the most extreme cases.

This is an educational overview written for parents, not lawyers. It isn't legal advice. For anything beyond general understanding, talk to a licensed Nevada family law attorney.

What Nevada generally provides

Since February 1, 2020, Nevada calculates child support under Nevada Administrative Code Chapter 425, a tiered percentage-of-income model replacing the older flat-rate structure previously codified at NRS 125B.070.

Important terminology

Tiered percentage model: Nevada's post-2020 formula, applying different rates to different slices of the obligor's gross monthly income.
Presumptive maximum cap: the old rule, eliminated in 2020, that had limited payments to roughly $1,165/child/month regardless of income.
20% income change rule: the automatic modification trigger under NRS 125B.145.

How the calculation works

A tiered structure across income brackets

For one child, the rates are 16% on the first $6,000 of the obligor's gross monthly income, 8% on income between $6,001 and $10,000, and 4% on income above $10,000. For two children, the rates rise to 22%, 11%, and 6% across the same tiers. Each additional child beyond four adds 2% on the first $6,000, 1% between $6,001 and $10,000, and 0.5% above $10,000.

Why the 2020 change matters

Nevada's 2020 overhaul eliminated the former presumptive maximum cap, which had capped payments at roughly $1,165 per child per month regardless of how much the paying parent actually earned. The tiered structure now scales more directly with actual income, meaning higher earners generally owe more than the old flat-cap system would have produced.

Requesting or defending a modification

A modification requires showing a material change in circumstances. Under NRS 125B.145, a 20% or greater change in the paying parent's gross monthly income automatically qualifies as a changed circumstance, giving parents a clear, objective threshold to work from. See the child support calculator and guideline finder for jurisdiction-specific calculation sources and guidance.

How enforcement works

Income withholding is Nevada's most common enforcement tool: once an order is issued, the employer must begin deducting support within 7 business days of receiving it, remitting payments to the State Disbursement Unit. Withholding limits mirror federal Consumer Credit Protection Act standards: 50% of disposable earnings if the obligor currently supports another spouse or child, 60% if not, with an additional 5% (bringing the maximum to 55% or 65%) if the obligor is more than 12 weeks behind. Beyond withholding, Nevada can intercept state and federal tax refunds and pursue other applicable enforcement tools.

Common questions

How is this different from the old system? The old flat-rate model applied a single percentage regardless of how high income climbed, and capped total support at roughly $1,165/child/month; the current tiered model scales the percentage down as income rises across brackets, but removes that hard cap entirely.

Does a 20% raise automatically change my support? It qualifies as grounds to seek a modification, but you still need to file, the change isn't automatically applied without a request.

What if my co-parent isn't paying? Nevada's child support enforcement agencies handle income withholding, tax refund interception, and license consequences for continued nonpayment.

Practical considerations

Because Nevada's tiered structure and 2020 elimination of the presumptive cap represent a genuine shift from the older system, don't rely on a pre-2020 estimate or outdated flat-percentage calculation, especially for higher-income families where the removed cap makes the biggest difference. For the custody rules that intersect with the parenting-time side of Nevada support cases, see the Nevada custody guide.

Official Nevada resources

NRS Chapter 125B (Obligation of Support)

FAQ

Questions, answered

This information is provided for educational purposes only and is not legal advice. Family law varies by individual circumstances and may change over time. Consult a qualified attorney or appropriate official resource for advice about your situation.