How to read the result
What this child support calculator calculates
Change the facts to compare scenarios, then read the lines under the total. They show which inputs were used and which questions—such as above-threshold support, a formula adjustment, or an expert fee—the calculator leaves open.
The basic CSSA calculation
Combined adjusted income×17%–35%+×Payor income share
The calculator applies the child-count percentage to combined parental income through $193,000. That figure is a 2026 guideline threshold, not a maximum support ceiling. A court decides support above it using the percentage, the statutory factors, or both.
Percentages in Family Court Act § 413
The percentage depends on how many children are covered
New York starts with each parent’s CSSA income after the adjustments the statute allows. The two amounts are combined, and the noncustodial parent usually owes that parent’s proportional share of the basic obligation.
| Children covered | Percentage of combined income | 2026 guideline threshold |
|---|---|---|
| 1 child | 17% | $193,000 |
| 2 children | 25% | $193,000 |
| 3 children | 29% | $193,000 |
| 4 children | 31% | $193,000 |
| 5 or more | At least 35% | $193,000 |
Before entering income
CSSA income is not the take-home line on a pay stub
Begin with federal gross income
Add covered benefits, deferred compensation, investment income, or income a court attributes only when it is not already counted. Then use only the statutory deductions.
Deduct the right taxes
FICA and New York City or Yonkers income tax actually paid may be deducted. Federal income tax and New York State income tax are not CSSA deductions.
Check other support actually paid
Maintenance and support for another legally supported child may qualify when it is actually paid under the order or agreement described in the statute.
Calculate same-case maintenance first
Subtract the maintenance amount from the payor’s income and add it to the payee’s income before finding the parents’ child-support shares.
A two-child example
Two children; adjusted incomes of $80,000 and $60,000
- 1Combine income
$80,000 + $60,000 = $140,000, which is below the 2026 guideline threshold.
- 2Apply the two-child percentage
$140,000 × 25% = $35,000 combined annual basic obligation.
- 3Find the noncustodial share
$80,000 ÷ $140,000 = 57.14% of combined income.
- 4Allocate the obligation
$35,000 × 57.14% = $20,000 a year, or about $1,666.67 a month, before child-care or medical shares and before any court-approved deviation.
What can change the basic amount
Low income, child expenses, and judicial decisions need separate treatment
This calculator can apply
- The $25-a-month poverty branch when the statutory test is met
- The $50-or-difference self-support-reserve branch
- The entered share of eligible work- or education-related child care
- The child-only health premium paid by the custodial parent
- An entered annual estimate of unreimbursed health expenses
These facts need a court or tailored analysis
- Support on combined income above $193,000
- Equal-time or split-custody arrangements
- Disputed or imputed income
- Education costs and other discretionary expenses
- A deviation under the ten statutory factors
For 2026, the poverty figure is $15,960 and the self-support reserve is $21,546. The official worksheet omits add-ons in the poverty branch and leaves them to court discretion in the reserve branch, so the result does not quietly add those expenses to a protected low-income amount.
Use records, not memory
What to have nearby before entering income
- Use both parents’ most recent federal returns, W-2s, 1099s, pay statements, and benefit records.
- Find actual FICA, New York City or Yonkers tax, and proof of qualifying support payments.
- Include recurring investment, retirement, disability, unemployment, and self-employment income not already counted.
- Separate the child’s health-insurance premium from the cost of family coverage and gather eligible child-care invoices.
- Bring the same-case maintenance result, other support orders, and records showing what was actually paid.
Court information for Bronx County
New York supplies the CSSA formula; Bronx County supplies the filing path
The percentage and 2026 income figures used above are statewide. Local questions begin after the arithmetic: which clerk receives the papers, whether the matter is filed electronically, which matrimonial checklist applies, and where a proposed order or judgment should go. Those details need to be checked with the office handling the case.
The Bronx Matrimonial Support Bureau publishes a step-by-step uncontested procedure, including the $210 commencement fee, the later $125 calendar fee, motion fees, certified-copy charges, and fee-waiver instructions.
Matrimonial office
Bronx County Matrimonial Support Bureau
Listed location or county seat: BronxOrdinary uncontested-divorce court fees
$335 minimum
The usual path begins with a $210 index number and later $125 calendar filing.What stays statewide
The CSSA percentages and $193,000 combined-income threshold
Income above the threshold remains for the court to address.Local source checked
August 12, 2026
New York Courts statewide filing feesFirst identify the court and case type
Supreme Court can decide child support as part of a divorce. Family Court may hear a support proceeding that is not part of a divorce. The $335 figure above is the ordinary minimum for an uncontested divorce; it is not a fee automatically added to every child-support matter. A modification, enforcement case, or agency matter may use different papers and charges.
- Confirm whether the support request belongs in an existing Supreme Court divorce or a separate Family Court matter.
- Check the county page for the current room, payment method, NYSCEF instructions, and uncontested checklist.
- Keep proof of both parents’ adjusted income and each entered deduction with the worksheet.
- List child care, health costs, and other add-ons separately instead of folding them into the basic percentage amount.
Questions about the result
What the calculator can and cannot tell you
How is child support calculated in New York?
Add the parents’ CSSA income after the deductions the statute actually allows. Apply 17% for one child, 25% for two, 29% for three, 31% for four, or no less than 35% for five or more. The noncustodial parent generally owes that parent’s proportional share, plus any applicable expenses.
What is the New York child support income threshold in 2026?
$193,000 is the 2026 combined-parental-income amount, effective March 1, 2026. It is not a ceiling on support. For income above it, the court may use the same percentage, the ten statutory factors, or a combination of the two.
Which income deductions does the New York formula allow?
Allowed deductions include FICA actually paid, New York City or Yonkers income tax actually paid, qualifying support actually paid under an order or agreement, and certain unreimbursed employee business expenses. Federal income tax, New York State income tax, rent, and ordinary household bills do not reduce CSSA income.
How do child-care and health costs affect New York support?
Reasonable child care tied to the custodial parent’s work or qualifying education is generally split by income share. The child’s health-insurance cost and reasonable unreimbursed health expenses are also handled separately. Job-search child care and educational expenses require a court decision.
Does equal parenting time automatically erase support?
No. New York still identifies a custodial parent for CSSA purposes, and equal overnights do not by themselves cancel support. This calculator needs one custodial and one noncustodial parent, so it is not designed for split-custody or disputed equal-time cases.
Until what age does New York child support continue?
The general rule covers an unemancipated child until age 21. Marriage, military service, or self-support may support an emancipation finding, but it depends on the facts and the existing order.
New York law and court materials
Sources for the figures and formulas
- New York Family Court Act §413
The governing child-support statute: income, allowed deductions, percentages, add-on expenses, low-income rules, and reasons a court may depart from the basic amount.
- New York Courts — 2026 support and maintenance figures
The court system’s notice of the figures that took effect March 1, 2026: $193,000, $241,000, $21,546, and $15,960.
- New York Child Support Services — establish an order
A parent-facing explanation of adjusted income, the CSSA percentages, each parent’s share, added expenses, and income over the statutory amount.
- New York Courts — 2026 Child Support Standards Chart
The chart used for orders dated March 1, 2026 through February 28, 2027, with the current income bands and low-income figures.
- Bronx County Matrimonial Support Bureau
Rooms, contact information, local forms, and filing instructions for this county.