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Understanding New York Child Support
Child support is the financial contribution parents make toward the support of their children.
In New York, child support is governed principally by the Child Support Standards Act, commonly called the CSSA.
The calculation begins with parental income, applies the statutory child-support percentages, and then considers additional expenses such as health insurance, child care, and certain educational or medical costs.
A calculator can provide a useful estimate, but the final obligation depends on the facts of the case and the statutory requirements.
Estimate potential New York child support using the Child Support Standards Act (CSSA), parental income, the number of children, and certain additional child-related expenses. This tool is for general planning purposes only and does not predict what a court will order.
The treatment of particular expenses depends on the facts of the case, the parties' agreement, and applicable New York law.
Paying Parent
Pro Rata Income Share
Annual Income Used
Share of Basic Support
Share of Add-On Expenses
Estimated Monthly Obligation
Childcare
Health Insurance
Unreimbursed Medical
Other Included Expenses
Total Add-On Share
Important: This calculator provides a general planning estimate based on a simplified application of New York's Child Support Standards Act. It does not provide legal advice, create an attorney-client relationship, or predict the amount a court will order. New York child support calculations may require adjustments to income, statutory deductions, low-income rules, allocation of childcare and health-related expenses, application of the combined parental income cap, and consideration of income above the cap. Actual child support may be higher or lower than the estimate shown.
HOW NEW YORK CHILD SUPPORT WORKS
New York does not use a 50-state comparison model for this calculator.
It uses New York’s own statutory framework.
The basic calculation generally involves:
NEW YORK CHILD SUPPORT PERCENTAGES
The CSSA uses statutory percentages based on the number of children.
1 Child
17%
2 Children
25%
3 Children
29%
4 Children
31%
5 or More Children
No less than 35%
These percentages are applied to combined parental income as provided under New York law, subject to the statutory income cap and any additional analysis required for income above the cap.
A SIMPLE EXAMPLE
Assume:
Combined parental income:
$150,000
For two children, the statutory percentage is:
25%
Basic child-support amount:
$150,000 × 25% = $37,500 annually
Parent A earns approximately two-thirds of the combined income.
Parent B earns approximately one-third.
If Parent A is the noncustodial parent for child-support purposes, Parent A’s basic proportional share would be approximately:
$37,500 × 66.67% = $25,000 annually
or approximately:
$2,083 per month
This example is simplified and does not include add-on expenses or income-cap issues.
WHAT INCOME COUNTS FOR CHILD SUPPORT?
New York child-support income can include more than base salary.
Depending on the circumstances, income may include:
The statutory calculation does not always use the same number that appears as taxable income on a tax return.
SELF-EMPLOYMENT INCOME
Self-employment can make child-support calculations more complicated.
A court may examine:
A tax deduction does not automatically mean the same expense must reduce income for child-support purposes.
BUSINESS OWNERS AND COMPLEX COMPENSATION
Additional review may be required where income includes:
A calculator can estimate support from entered income.
It cannot determine whether reported income should be adjusted.
WHAT INCOME MAY BE EXCLUDED?
Certain forms of assistance or child-related payments may be treated differently under New York law.
The precise treatment depends on the source of the funds and the statutory definition of income.
For that reason, a calculator should not simply assume that every payment received by a parent is child-support income.
THE STATUTORY INCOME CAP
New York applies the CSSA percentages to combined parental income up to a statutory cap.
That cap is adjusted periodically.
For income above the cap, the court may:
The calculator should therefore use the current New York statutory cap rather than relying on an outdated fixed number.
CHILD CARE
Child-care expenses may be added to the basic child-support obligation when they are incurred because a parent is:
These expenses may be allocated between the parents according to their respective incomes.
HEALTH INSURANCE
The child-support arrangement should also address health-insurance coverage for the children.
Depending on the circumstances, the order or agreement may address:
UNREIMBURSED MEDICAL EXPENSES
Parents may also be required to contribute to costs not covered by insurance.
Examples can include:
The allocation is often tied to the parents’ respective incomes.
EDUCATIONAL AND OTHER CHILD-RELATED EXPENSES
Depending on the case, parents may also address:
Not every expense is automatically part of the basic CSSA obligation.
Some are negotiated separately or addressed under additional statutory considerations.
CUSTODIAL AND NONCUSTODIAL PARENT FOR SUPPORT PURPOSES
Child-support terminology does not always correspond neatly to a parenting schedule.
A parent may have substantial parenting time and still be treated as the noncustodial parent for child-support purposes.
In shared-parenting situations, determining the proper child-support framework can require additional legal analysis.
A calculator should therefore avoid assuming that a 50/50 parenting schedule automatically means no child support.
CHILD SUPPORT AND SHARED PARENTING
Equal or nearly equal parenting time does not automatically eliminate child support in New York.
Income differences may still produce an obligation.
The actual analysis can become more complicated in shared-custody arrangements, particularly where both parents exercise substantial parenting time.
CHILD SUPPORT AND MAINTENANCE
Maintenance and child support can affect one another.
When both apply, the order of calculation matters.
A complete calculator should therefore ask whether maintenance will also be paid and apply the New York formulas in the correct sequence.
CHILD SUPPORT IN AN UNCONTESTED DIVORCE
Parents can agree on child support as part of an uncontested divorce.
But child support is not treated like an ordinary private contract term.
New York requires specific statutory information when the parties deviate from the CSSA calculation.
If parents agree to an amount different from the guideline amount, the agreement generally needs to identify:
A calculator can help parents understand the guideline before deciding whether a different agreement is appropriate.
THE BOTTOM LINE
A New York child-support calculator should answer a New York question.
It should not ask the user to choose among 50 different state models.
It should calculate:
It should also flag:
The calculator can estimate the guideline. New York law determines how the final obligation is structured.
CALCULATE YOUR NEW YORK CHILD SUPPORT
CHILD SUPPORT ADD-ONS IN NEW YORK
The basic CSSA calculation is only one part of the child-support analysis.
Depending on the family, additional expenses may also need to be allocated between the parents.
HEALTH INSURANCE
The cost of health-insurance coverage for the children may be addressed in addition to basic child support.
The analysis may include:
The relevant figure is generally the actual child-related cost, not the entire family premium.
CHILD-CARE EXPENSES
Work-related child-care expenses can also be added to the basic child-support obligation.
Examples may include:
The cost must be connected to the parent’s employment or other qualifying circumstances.
Child-care expenses are distinct from ordinary extracurricular activities.
UNREIMBURSED MEDICAL EXPENSES
Parents may also need to divide medical expenses that are not covered by insurance.
Examples can include:
These expenses may be allocated in proportion to parental income unless the parties agree to another appropriate arrangement.
EDUCATIONAL EXPENSES
Educational expenses are not always automatically included in basic child support.
Depending on the case, parents may need to address:
The treatment depends on the circumstances, prior family practice, the child’s needs, and any agreement or court determination.
EXTRACURRICULAR ACTIVITIES
Sports, lessons, camps, clubs, and other activities are generally separate from the basic CSSA calculation.
Parents may agree on:
Clear language can help reduce future disputes.
SHARED PARENTING AND CHILD SUPPORT
Equal Time Does Not Automatically Mean Zero Support
New York does not simply eliminate child support because parents share parenting time equally.
Income disparity can still matter.
In a shared-parenting arrangement, the higher-income parent may still have a child-support obligation depending on the circumstances and applicable New York law.
A calculator should therefore not assume:
50/50 parenting = $0 child support
That can be incorrect.
WHY SHARED PARENTING CAN COMPLICATE THE CALCULATION
When both parents spend substantial time with the child, both households incur direct expenses.
Those may include:
But New York’s child-support framework does not operate like some states that use a simple overnight-credit worksheet.
The analysis can be more nuanced.
For that reason, the calculator should flag shared parenting for possible legal review rather than applying an arbitrary reduction based only on overnight count.
INCOME DISPARITY STILL MATTERS
Even where parenting time is approximately equal, the parents may have very different incomes.
The purpose of child support is not merely to reimburse one parent for days spent with the child.
It is also intended to allocate parental responsibility for the child’s financial needs.
That means a substantial income disparity may still produce support.
HOW LONG DOES CHILD SUPPORT LAST IN NEW YORK?
Generally Until Age 21
In New York, parents generally have a legal obligation to support a child until the child reaches age 21, unless an earlier emancipation event applies.
This is different from many states where support commonly ends at 18 or high-school graduation.
POSSIBLE EARLIER EMANCIPATION
Support may end earlier in certain circumstances.
Potential examples can include a child who:
Emancipation is fact-specific.
Parents should not simply stop support because they believe the child is independent.
SUPPORT BEYOND AGE 21
Ordinary statutory child support generally ends at 21.
But parents may voluntarily agree to obligations extending beyond that age.
For example, a settlement may address:
The agreement should define those obligations carefully.
COLLEGE EXPENSES
New York courts may address college expenses in appropriate cases.
Relevant considerations can include:
Parents may also negotiate their own college provisions.
A good agreement should specify:
MODIFICATION OF CHILD SUPPORT
Child support may be modified when the legal requirements are satisfied.
Possible grounds can include:
The applicable standard depends on the order or agreement and New York law.
THE THREE-YEAR / FIFTEEN-PERCENT FRAMEWORK
In many New York child-support matters, modification may be available when:
subject to statutory exceptions and the terms of the parties’ agreement.
A calculator can flag these thresholds, but it cannot determine whether a particular modification will be granted.
PARENTING-TIME CHANGES
A major change in the parenting arrangement may affect child support.
Examples include:
A change in parenting time does not automatically rewrite the support order.
Formal modification may still be required.
CHANGES IN CHILD-RELATED EXPENSES
Modification or adjustment may also become relevant where there are meaningful changes in:
RETROACTIVITY
Child-support modification is generally not something a parent should handle informally by simply changing the payment amount.
If modification is appropriate, timing matters.
A parent should seek formal relief promptly because arrears can continue accruing under the existing order until a modification is legally effective.
IMPUTED INCOME
WHEN REPORTED INCOME MAY NOT CONTROL
New York courts can, in appropriate circumstances, consider earning capacity and financial resources rather than relying only on reported income.
This may arise where a parent is:
FACTORS THAT MAY BE CONSIDERED
Relevant information can include:
A calculator cannot determine whether income should be imputed.
That is a legal and factual question.
SELF-EMPLOYMENT AND BUSINESS OWNERS
Where a parent owns a business, reported taxable income may not tell the whole story.
The court may examine:
If income appears inconsistent with actual spending, additional financial review may be necessary.
WHAT THE CALCULATOR SHOULD DO
A New York child-support calculator should help users estimate:
It should also flag circumstances requiring closer review, including:
The calculator can estimate the obligation. It cannot resolve disputes about income, custody, or what expenses should be included.
CALCULATE YOUR NEW YORK CHILD SUPPORT
ENFORCEMENT OF CHILD SUPPORT IN NEW YORK
Once child support is ordered, it is enforceable.
If payments are not made, New York provides a range of enforcement mechanisms. The appropriate remedy depends on the order, the amount of arrears, and how the support is being collected.
INCOME WITHHOLDING
Child support may be collected directly from a parent’s income.
This can include withholding from:
Income withholding can be one of the most effective ways to keep payments current because support is deducted before the funds reach the payor.
The exact withholding limits and procedures are governed by applicable law.
CHILD SUPPORT ENFORCEMENT SERVICES
New York provides child-support enforcement services that may assist with:
Parents do not always need private counsel to access every enforcement tool.
TAX REFUND INTERCEPTS
Past-due child support may, in appropriate circumstances, be collected through interception of state or federal tax refunds.
The amount recovered is applied toward arrears.
CREDIT REPORTING
Significant child-support arrears can affect a parent’s credit.
Delinquent support may be reported to credit bureaus under applicable enforcement procedures.
That can affect access to:
LICENSE-RELATED ENFORCEMENT
Persistent nonpayment may lead to consequences involving certain licenses.
Depending on the circumstances, enforcement can affect:
The exact remedy depends on the enforcement process and applicable statutory requirements.
PASSPORT RESTRICTIONS
Serious child-support arrears can also affect a parent’s ability to obtain or renew a United States passport under federal law.
This is a federal enforcement mechanism tied to qualifying support arrears.
CONTEMPT AND COURT ENFORCEMENT
If a parent willfully fails to obey a child-support order, the other parent may seek court enforcement.
Potential remedies can include:
Contempt is a serious remedy and depends on the circumstances, including whether the nonpayment was willful.
PROPERTY LIENS AND LEVIES
Child-support arrears may also be enforced against property or financial assets.
Depending on the case, that may include:
SELF-EMPLOYED PARENTS AND BUSINESS OWNERS
Why Income Can Be Harder to Determine
A W-2 salary is usually easier to identify than income from a closely held business.
For self-employed parents, the court may need to look beyond the number reported on a personal tax return.
Relevant financial information can include:
BUSINESS EXPENSES MAY BE SCRUTINIZED
Not every tax deduction necessarily reduces income for child-support purposes.
The court may examine whether business expenses are truly:
or whether they provide a personal benefit to the parent.
Examples may include:
DOCUMENTS THAT MAY BE IMPORTANT
For self-employed parents, relevant records may include:
In more complex cases, multiple years of records may be needed to understand actual income.
LIFESTYLE ANALYSIS
If reported income appears inconsistent with actual spending, the court may look more closely at lifestyle and financial resources.
Relevant expenditures may include:
Lifestyle evidence does not automatically establish hidden income, but it can support a closer review of what financial resources are actually available.
FORENSIC ACCOUNTING
A forensic accountant may be useful where:
A forensic accountant can help analyze records and explain the financial picture.
That type of expert is generally more relevant in contested cases than in a straightforward uncontested divorce.
SPECIAL CHILD SUPPORT SITUATIONS
PARENTS WITH CHILDREN FROM MORE THAN ONE FAMILY
A parent may have support obligations involving children from different relationships.
Prior support obligations can affect the overall analysis.
The precise treatment depends on the order in which obligations arose and the applicable statutory rules.
A calculator should flag this situation rather than assume each case exists in isolation.
HIGH-INCOME PARENTS
When combined parental income exceeds the statutory CSSA cap, the calculation becomes more discretionary.
The court may consider:
A calculator should therefore avoid presenting above-cap support as a guaranteed formula result.
LOW-INCOME PARENTS
New York law also contains protections for lower-income obligors.
Depending on income, the calculation may implicate:
The goal is to impose support consistent with the statutory framework without creating a mathematically unrealistic result.
DISABILITY BENEFITS
Different disability benefits may be treated differently for child-support purposes.
For example, Social Security disability benefits may be treated differently from means-tested assistance such as SSI.
A child may also receive derivative benefits based on a parent’s disability.
Those benefits can affect the support analysis in ways that a simple gross-income calculator may not fully capture.
WHEN THE CALCULATOR SHOULD FLAG THE CASE
The calculator should identify cases that may require additional review when:
The calculator can estimate support. It cannot investigate income or enforce an order.
For qualifying uncontested New York divorces, once the parents have agreed on child support and related add-ons, Express Divorce can help incorporate those terms into the divorce documents.
CALCULATE YOUR NEW YORK CHILD SUPPORT
USING THE NEW YORK CHILD SUPPORT CALCULATOR
Our calculator is designed specifically for New York.
There is no state selector because the calculation should apply the New York Child Support Standards Act from the beginning.
Step 1 — Enter Both Parents’ Income
Provide current income information for each parent.
Depending on the circumstances, that may include:
The calculator should also identify circumstances that may require closer review, such as business ownership, fluctuating income, or possible imputed income.
Step 2 — Enter the Number of Children
Enter the number of children who are the subject of the support calculation.
The calculator then applies the appropriate New York CSSA percentage:
Step 3 — Enter the Parenting Arrangement
Provide information about the children’s residential arrangement and parenting schedule.
This may include whether:
New York does not use a simple overnight-credit formula that automatically reduces support as parenting time increases.
For that reason, shared or unusual parenting arrangements should be flagged for additional review rather than reduced by an arbitrary percentage.
Step 4 — Add Child-Related Expenses
Enter applicable expenses such as:
The calculator can then show these amounts separately from basic child support.
Step 5 — Identify Whether Maintenance Is Also Being Paid
Maintenance can affect the sequence of the child-support calculation.
If maintenance is part of the divorce, the calculator should take that into account before producing the child-support estimate.
Step 6 — Review the Estimate
The calculator should display:
It should also indicate whether combined income exceeds the current statutory cap.
Step 7 — Understand the Limitations
A child-support calculator is a planning tool.
It cannot decide:
The calculator estimates the guideline. It does not replace a support order or properly drafted agreement.
CAN CHILD SUPPORT BE REDUCED?
Child support is for the child.
The goal should not be to reduce support artificially, but to make sure the amount reflects the parents’ actual incomes, parenting arrangement, and New York law.
There are circumstances where an existing obligation may appropriately change.
A CHANGE IN PARENTING ARRANGEMENTS
If the child begins spending substantially more time with one parent, or the residential arrangement changes significantly, the existing support structure may need to be reviewed.
For example:
A parent should not simply reduce payments because parenting time has increased.
The support order may need to be formally modified.
A SIGNIFICANT CHANGE IN INCOME
A meaningful income decrease or increase may support a modification under New York law.
Potential examples include:
The facts matter.
A voluntary reduction in income may be treated differently from circumstances outside a parent’s control.
VOLUNTARY UNDEREMPLOYMENT
A parent generally cannot avoid child support simply by deciding to earn less.
If a parent:
the court may consider earning capacity rather than actual reported income.
WHEN A LOWER INCOME MAY BE LEGITIMATE
A reduced income may be more credible where it results from circumstances such as:
Even then, modification is not automatic.
The existing order remains in effect until changed through the proper legal process.
WHAT IF THE OTHER PARENT’S INCOME INCREASES?
Because New York child support considers both parents’ incomes, a significant increase in the other parent’s income may become relevant to modification.
New York law provides statutory pathways for modification in qualifying cases, including circumstances involving a substantial income change.
The actual result depends on the existing order, agreement, and applicable legal standard.
THE THREE-YEAR / FIFTEEN-PERCENT RULE
In many New York child-support cases, modification may be available where:
subject to statutory exceptions and any valid opt-out or limitation in the parties’ agreement.
A calculator should flag these circumstances rather than automatically recalculate an existing court order.
SHARED PARENTING DOES NOT AUTOMATICALLY REDUCE SUPPORT
Increasing parenting time should not be approached as a financial strategy.
Custody and parenting time are determined according to the child’s best interests.
New York does not apply a simple rule that reaching a certain number of overnights automatically reduces child support.
Even with an approximately equal parenting schedule, a higher-earning parent may still have a support obligation.
CHALLENGING IMPUTED INCOME
If a court has attributed income above a parent’s actual earnings, the parent may need evidence showing why the attributed amount is not realistic.
Relevant evidence may include:
The issue is not whether the parent prefers a lower calculation.
It is whether the income figure used accurately reflects earning capacity under the circumstances.
CHILD SUPPORT SHOULD MATCH REAL FINANCIAL CIRCUMSTANCES
A properly structured support calculation should reflect:
The goal is not the lowest possible number. It is the correct New York child-support calculation for the family’s circumstances.
CALCULATE YOUR NEW YORK CHILD SUPPORT
COST OF ESTABLISHING OR MODIFYING CHILD SUPPORT IN NEW YORK
The cost of resolving child support depends largely on whether the parents agree.
A straightforward agreed calculation can be handled very differently from a case involving disputed income, business ownership, hidden compensation, or contested parenting arrangements.
ADMINISTRATIVE CHILD SUPPORT SERVICES
New York’s child-support program can assist eligible parents with matters such as:
This can provide a lower-cost alternative to private litigation in appropriate cases.
The administrative process, however, is different from having an attorney negotiate individualized divorce terms on your behalf.
AGREED CHILD SUPPORT
When parents agree on support, the terms may be incorporated into their settlement agreement and uncontested divorce documents.
The agreement should properly address:
An agreed case is generally more predictable because the parents are documenting a resolution rather than litigating one.
MEDIATION
If the parents are close to agreement but still disagree about support or add-on expenses, mediation may help resolve the remaining issues.
Mediation can be useful for questions such as:
Mediator fees vary according to the professional, number of sessions, and complexity of the dispute.
CONTESTED CHILD SUPPORT
Attorney involvement may be necessary when support cannot be calculated from straightforward income information.
A contested matter may require:
There is no responsible universal price for contested support litigation because the cost depends on the work required.
MODIFICATION COSTS
The same principle applies to modification.
An agreed modification may require relatively limited work.
A contested modification can involve:
The level of disagreement generally drives the expense.
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IMPORTANT NEW YORK CHILD SUPPORT FIGURES FOR 2026
For calculations on or after March 1, 2026, the New York CSSA combined parental income cap is $193,000. The 2026 self-support reserve is $21,546, and the federal poverty guideline used for these calculations is $15,960.
The basic statutory percentages remain:
These figures should be updated in the calculator whenever New York publishes new statutory adjustments.
INCOME ABOVE THE CSSA CAP
The $193,000 figure is a combined parental income cap, not a cap on each parent’s individual income.
When combined parental income exceeds the cap, the court applies the CSSA percentage up to the cap.
For income above the cap, New York law permits the court to use:
The statutory percentage is therefore not automatically applied to every dollar above the cap.
The calculator should clearly separate:
Guideline Support Through the Cap
from
Potential Support on Above-Cap Income
This avoids presenting a discretionary above-cap amount as a guaranteed obligation.
HIGH-INCOME FAMILIES
Where parental income substantially exceeds the CSSA cap, a simple formula may not provide the entire answer.
The analysis may include:
High income does not mean child support becomes unlimited.
It does mean that additional legal analysis may be needed beyond the basic calculator result.
LOW-INCOME OBLIGORS
New York’s child-support framework also contains special rules for low-income parents.
For 2026, the self-support reserve is $21,546, while the applicable federal poverty-income guideline for one person is $15,960.
Where an obligor’s income falls within these ranges, special statutory calculations may apply.
A New York calculator should therefore incorporate the poverty and self-support rules rather than simply multiplying every income by the standard CSSA percentage.
SHARED PARENTING IN NEW YORK
New York does not use the type of automatic overnight threshold found in some other states.
There is no rule that:
146 overnights = automatic support reduction
or that:
50/50 parenting = no child support.
Shared parenting can affect the analysis, but substantial income disparity may still result in one parent paying child support.
The calculator should flag a substantially shared schedule for additional review rather than applying a generic custody discount.
CHILD SUPPORT ADD-ONS
The basic support amount may be only part of the total obligation.
Depending on the circumstances, parents may also need to address:
Child Care
Reasonable child-care expenses connected to employment or qualifying education or training.
Health Insurance
The actual cost attributable to providing health coverage for the children.
Unreimbursed Medical Expenses
Such as:
Educational Expenses
In appropriate cases, this may include:
The calculator should display these separately so users can distinguish basic child support from additional child-related obligations.
MULTIPLE CHILD-SUPPORT OBLIGATIONS
A parent may already have a legal obligation to support children from another relationship.
New York law may account for certain existing support obligations when determining income available for the current calculation.
The calculator should therefore ask:
The correct analysis is more nuanced than simply reducing income because a parent has another household.
DISABILITY AND BENEFITS
Different public benefits can receive different treatment under the CSSA.
For example, the statute excludes certain means-tested benefits such as Supplemental Security Income from income used in the calculation.
Other disability or retirement benefits may be treated differently.
If a child receives derivative Social Security benefits because of a parent’s disability, the interaction with the support obligation may require individualized analysis.
FREQUENTLY ASKED QUESTIONS
How Is Child Support Calculated in New York?
New York generally begins by determining the parents’ combined income, applying the statutory percentage based on the number of children, and allocating the resulting obligation between the parents according to their respective incomes.
Additional expenses and above-cap income may then need to be addressed.
What Is the New York Child Support Income Cap in 2026?
Effective March 1, 2026, the combined parental income cap under the CSSA is:
$193,000
It applies to the parents’ combined income, not $193,000 per parent.
What Happens if We Earn More Than $193,000 Combined?
The basic statutory percentage is applied through the cap.
For income above the cap, the court can consider the statutory factors, apply the percentage, or use both approaches.
That portion is therefore less mechanical than the below-cap calculation.
Does 50/50 Custody Mean No Child Support?
No.
Equal or substantially equal parenting time does not automatically eliminate child support in New York.
Income disparity and the applicable legal framework can still result in a support obligation.
Can Parents Agree to a Different Child Support Amount?
Yes, but a deviation from CSSA guidelines must be properly documented.
The agreement should identify the guideline obligation and satisfy New York’s statutory requirements concerning deviation.
Parents should not simply insert a different number without addressing the CSSA.
Are Child-Care Costs Included?
Work-related or otherwise qualifying child-care expenses may be allocated in addition to basic support. New York law specifically addresses reasonable child-care expenses incurred because a custodial parent is working or participating in qualifying education or training.
Are Medical Expenses Included?
Health-insurance costs and unreimbursed medical expenses may be allocated separately from basic child support.
The agreement or order should explain how those expenses are divided and reimbursed.
Does Child Support End at 18 in New York?
Generally, no.
New York defines child support as support for an unemancipated child under the age of 21.
Earlier emancipation may apply in particular circumstances.
Can Child Support Be Modified?
Potentially.
New York law permits modification in qualifying circumstances, including certain income changes and statutory review periods, subject to the terms of the existing agreement and applicable exceptions.
The existing obligation should not simply be changed informally.
What if a Parent Is Self-Employed?
The calculation may require more than a tax return.
Business income, deductions, distributions, personal expenses paid by a business, and other financial benefits may need to be analyzed.
Where income is disputed, attorney or forensic-accounting assistance may be appropriate.
What if the Other Parent Is Hiding Income?
A calculator cannot discover hidden income.
A contested case may require:
That generally falls outside the scope of a straightforward uncontested divorce service.
THE BOTTOM LINE
For New York families, the most useful child-support calculator is not one that compares every state.
It is one that accurately applies the current New York CSSA framework.
For 2026, that means incorporating:
Calculate the guideline first. Then identify the circumstances that may require something more than a formula.
CALCULATE YOUR NEW YORK CHILD SUPPORT
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