Child Support & Alimony Budget Impact Calculator

Understand how support payments affect your monthly budget. See net income, burden ratios, age-out scenarios, and plan for your financial future.

Your Income

$
Before taxes and deductions
Federal + state income tax withholding
$
401k, health insurance, union dues, etc.

Child Support

$
Child support typically ends at 18 (or 19 if still in high school)
$
Past-due amount owed
$

Alimony / Spousal Support

$
0 if no alimony or already ended

Budget Impact Analysis

Net Monthly Income - After taxes & deductions
Total Support - Child support + alimony
Disposable Income - After support payments
Burden Ratio - Support % of net income

Monthly Breakdown

Annual Impact

Annual Gross Income -
Annual Net Income -
Annual Support Paid -
Annual Disposable -

Age-Out Scenario Preview

When children age out of child support, your payments decrease.

Alimony End Impact

Arrears Payoff Estimate

Support Burden Meter

0% 25% 50% 75% 100%

Understanding Your Support Obligations

Child Support Basics

  • Purpose: Financial support for children's basic needs (food, housing, healthcare, education)
  • Duration: Typically until age 18, or 19 if still in high school
  • Calculation: Based on both parents' income, custody arrangement, and state guidelines
  • Modification: Can be modified if income changes substantially

Alimony / Spousal Support

  • Purpose: Financial support for lower-earning spouse after divorce
  • Types: Temporary, rehabilitative, permanent, or lump sum
  • Factors: Marriage length, income disparity, earning capacity, contributions
  • Tax Impact: For agreements after 2018, not deductible by payer or taxable to recipient

Managing Support Payments

  • Budgeting: Include support in your monthly budget as a fixed expense
  • Arrears: Past-due support accrues interest and can't be discharged in bankruptcy
  • Enforcement: Wage garnishment, tax refund interception, license suspension
  • Modification: File for modification if you lose your job or income changes significantly

Frequently Asked Questions

What percentage of my income should go to support?

Most states have child support guidelines that typically result in 17-35% of income for 1-2 children. Alimony varies widely. A combined burden over 40-50% of net income is considered high and may warrant legal review.

When does child support end?

Child support typically ends when the child turns 18, or 19 if still in high school. Some states extend support through college. Support may also end if the child emancipates, marries, or joins the military.

Can I reduce my support payments?

You can request a modification through the court if you have a substantial change in circumstances (job loss, disability, income reduction). Don't stop paying without a court order—arrears accumulate regardless.

How are arrears calculated?

Arrears accumulate when payments are missed or late. Interest is often charged (varies by state). Arrears can be collected through wage garnishment, tax refund interception, and other enforcement methods.

Disclaimer: This calculator provides estimates for informational purposes only. Support calculations vary by state and individual circumstances. This is not legal advice. Consult with a family law attorney for guidance specific to your situation.