New York Child Support Calculator
Estimate NY CSSA support with March 2026 updates: $193,000 combined income cap, $21,546 Self-Support Reserve, and 17/25/29/31/35% percentages.
CSSA support by income level bar chart, mandatory add-on comparison, and year-by-year projection to age 21.
Full income breakdown, NY/NYC tax analysis, above-cap discretionary scenarios, college expenses, what-if analysis, and 20-year lifetime projection.
How New York Child Support Works in 2026
New York calculates child support under the Child Support Standards Act (CSSA), codified in Domestic Relations Law §240(1-b) for matrimonial actions and Family Court Act §413 for non-matrimonial cases. The formula applies fixed percentages to combined parental income up to a statutory cap.
The CSSA Percentages
- 1 child: 17%
- 2 children: 25%
- 3 children: 29%
- 4 children: 31%
- 5+ children: 35% (minimum)
2026 Combined Income Cap — $193,000
Effective March 1, 2026, the CSSA cap rose to $193,000 in combined parental income (up from $183,000 since March 2024). The cap adjusts biennially by Consumer Price Index. For combined income above the cap, courts have discretion (not obligation) to apply CSSA percentages to the excess — they may also award lower amounts based on the children's actual needs and §240(1-b)(f) factors.
CSSA Cap History
- 2016: $143,000
- 2018: $148,000
- 2020: $154,000
- March 2022: $163,000
- March 2024: $183,000
- March 2026: $193,000 (current)
- Next review: March 2028
Self-Support Reserve (SSR) — $21,546 in 2026
Under DRL §240(1-b)(d), courts must ensure a child support order does not reduce the payor's income below the Self-Support Reserve — set at 135% of the federal poverty level for a single person. For 2026, SSR = $21,546/yr. Orders that would drop the payor below SSR are capped or reduced to protect subsistence.
Step 2: Basic Support = Combined Income × CSSA %
Step 3: NCP Obligation = Basic Support × (NCP Income / Combined Income)
Step 4: Verify NCP Net After Support ≥ Self-Support Reserve ($21,546/yr)
Step 5: Add pro-rata share of childcare, medical, and educational add-ons
Add-Ons (Separate from Basic Percentage)
- Childcare costs — pro-rata by income share when custodial parent works or attends school
- Unreimbursed medical/dental — pro-rata by income share
- Health insurance premium — pro-rata allocation of children's portion
- Educational expenses — private school, college (court discretion)
Worked Example — 2026
NCP earns $100,000/yr. Custodial parent earns $60,000/yr. Two children.
Legislative Watch
Bills A8389-A / S8431 are pending in the 2025–2026 legislative session proposing structural changes to CSSA percentages (particularly for higher income brackets and shared-custody formulas). Neither bill has been enacted as of April 2026. We monitor and update this calculator when new law takes effect.
Official Sources & Legal References
- NY Domestic Relations Law §240 — Matrimonial Child Support (CSSA)
- NY Family Court Act §413 — Child Support Parents' Duty
- NY OTDA — Official CSSA Chart (LDSS-4515, Rev. 03/26)
- NY Office of Temporary and Disability Assistance — Child Support
- NYC Human Resources Administration — Official Calculator
- NY Courts — Matrimonial Legislation & Court Rules
Frequently Asked Questions
When to Consult a New York Family Law Attorney
NY CSSA is deceptively simple — the 17/25/29/31/35 percentages are easy, but above-the-cap discretion, Self-Support Reserve limits, and add-on allocation create complexity. Consult a licensed NY attorney if your case involves: combined income above $193,000 (cap discretion), imputed income (self-employed, cash businesses), significant non-wage income (investment, trust distributions), interstate jurisdiction (UIFSA issues), or modification requests. The Appellate Divisions have nuanced case law on each CSSA factor.