New Mexico Child Support Calculator (2026)
Estimate your child support payments in New Mexico using our free calculator based on the official NM Guidelines (NMSA 1978 § 40-4-11.1). Enter your income details below to get an instant estimate.
New Mexico Child Support Calculator
Based on New Mexico's 2024 NM Guidelines (NMSA 1978 § 40-4-11.1)
This is an estimate only. See our full disclaimer.
Key Facts: Child Support in New Mexico
- New Mexico uses the Income Shares model, basing child support on both parents' combined gross income.
- The basic child support obligation for 1 child ranges from approximately $170/month at $1,000 combined income to $1,543/month at $20,000 combined monthly income.
- Each parent pays their proportional share of the total obligation based on their percentage of the combined gross income.
- New Mexico includes adjustments for health insurance, work-related child care costs, and extraordinary medical expenses.
- Courts may deviate from the guidelines when strict application would be unjust or inappropriate given the circumstances.
Source: NM Guidelines (NMSA 1978 § 40-4-11.1) • Last verified: 2026-05-30
How Much Is Child Support in New Mexico?
If you make $60,000 a year in New Mexico, child support for 1 child is estimated at $611 per month ($7,332 per year) based on the NM Guidelines (NMSA 1978 § 40-4-11.1). This assumes the other parent earns approximately $36,000/year. Actual amounts depend on both parents' incomes, custody arrangements, and additional expenses.
If you make $1,000 a week ($52,000/year) in New Mexico, child support for 1 child is approximately $558/month.
New Mexico Child Support Estimates by Income (2026)
| Annual Income | 1 Child | 2 Children | 3 Children |
|---|---|---|---|
| $40,000/yr | $469/mo | $634/mo | $739/mo |
| $50,000/yr | $544/mo | $736/mo | $859/mo |
| $60,000/yr | $611/mo | $826/mo | $964/mo |
| $70,000/yr | $667/mo | $904/mo | $1,054/mo |
| $80,000/yr | $719/mo | $973/mo | $1,135/mo |
| $100,000/yr | $806/mo | $1,091/mo | $1,272/mo |
| $120,000/yr | $877/mo | $1,186/mo | $1,384/mo |
Estimates assume the other parent earns 60% of your income. Actual amounts vary based on both parents' incomes, custody time, and adjustments. Compare all states →
How Child Support Is Calculated in New Mexico
New Mexico uses the Income Shares model to calculate child support obligations. This model combines both parents' incomes to determine the total child support obligation, then divides it proportionally based on each parent's share of the combined income.
Factors That Affect Child Support in New Mexico
Important Notes for New Mexico
- New Mexico uses the Income Shares model, combining both parents' gross incomes to determine the total child support obligation.
- Each parent's share is proportional to their percentage of the combined gross income.
- New Mexico allows adjustments for work-related child care, health insurance for the children, and extraordinary medical expenses.
- The court may deviate from the guidelines when strict application would be unjust or inappropriate.
Example Child Support Calculation in New Mexico
Scenario: Parent A earns $5,000/month, Parent B earns $3,000/month, 2 children.
Step 1: Combined monthly income: $5,000 + $3,000 = $8,000
Step 2: Parent A's income share: $5,000 / $8,000 = 62.5%
Step 3: Look up basic obligation from the guidelines schedule for $8,000 combined income and 2 children.
Step 4: Multiply the basic obligation by Parent A's share (62.5%) to determine their payment.
Note: Additional adjustments for health insurance, child care, and parenting time may apply.
Frequently Asked Questions About New Mexico Child Support
How is child support calculated in New Mexico?
What income is used for New Mexico child support?
Does shared custody affect child support in New Mexico?
Can New Mexico courts deviate from the child support guidelines?
How long does child support last in New Mexico?
About This Calculator
This calculator uses the official NM Guidelines (NMSA 1978 § 40-4-11.1) (2024 guidelines) to estimate child support in New Mexico. Calculations were last verified against the official source on 2026-05-30.
Disclaimer: This calculator provides estimates only and does not constitute legal advice. Actual child support amounts are determined by New Mexico courts and may differ based on factors not included here. For legal advice, consult a New Mexico family law attorney.
Our methodology: Based on the Income Shares model as defined in the NM Guidelines (NMSA 1978 § 40-4-11.1). Updated for 2026.