Nevada Child Support Calculator (2026)
NAC § 425.140 governs Nevada’s child‑support guidelines and, as of February 1 2020, requires a marginal‑tier calculation of the paying parent’s gross monthly income. The law sets a percentage based on the number of children—16% for one child, 22% for two, 26% for three, 28% for four, and 30% for five or more—and applies that percentage to the first $6,000 of income, about half that rate to the $6,001–$10,000 band, and a lower rate on any amount above $10,000. Joint physical custody offsets each parent’s obligation against the other’s.
Reviewed 2026-09-02 · Estimates only — not legal or financial advice.
How Nevada calculates it
- Identify the paying parent’s monthly gross income.
- Select the guideline percentage that matches the number of children in the case.
- Apply the percentage to the first $6,000 of income.
- Apply roughly half that percentage to the income between $6,001 and $10,000.
- Apply the lower percentage to any income above $10,000.
- If the parents share joint physical custody, offset each parent’s calculated obligation against the other’s.
Worked example
A paying parent earning $7,500 per month gross with two children follows the 22% rate: 22% × $6,000 = $1,320 plus 11% × $1,500 = $165, resulting in a $1,485 per month guideline support.
Frequently asked questions
How is child support calculated for a Nevada parent earning $5,000 per month with one child?
The guideline uses the 16% rate for one child. Because $5,000 falls entirely within the first $6,000 tier, the support is 16% of that $5,000.
Are child‑support payments taxable in Nevada?
Nevada does not tax child‑support payments. The paying parent cannot deduct the amount, and the receiving parent does not include it as taxable income.
What effect does joint physical custody have on the support amount?
Joint physical custody allows each parent’s calculated obligation to be offset against the other’s, potentially reducing the net amount one parent must pay.
What percentage applies when there are five or more children?
For five or more children the guideline percentage is 30%, applied using the same marginal‑tier structure to the parent’s gross monthly income.
Did Nevada’s child‑support guidelines change recently?
Yes. Effective February 1 2020, Nevada switched to marginal tiers of gross monthly income, replacing the older flat‑rate approach.
Is the calculation different in Las Vegas, Henderson or Reno?
No. NAC § 425.140 sets one statewide guideline, so a case in Las Vegas, Henderson, Reno uses the same percentages as anywhere else in Nevada. Judges everywhere in the state may deviate only with written findings.