Alimony Calculator
Estimate alimony and spousal support payments. Uses state-specific formulas and guidelines for 11 US states, judicial benchmarks for the rest, and India maintenance guidelines.
Estimated Monthly Alimony
$1,875/mo
Payment Details
Monthly, annual, and lifetime alimony breakdown
Post-Alimony Income
Monthly income after alimony payments
Formula Used
State formula or judicial benchmark used for this calculation
California Santa Clara County Guideline
Santa Clara guideline: (40% × $7500 payor net) − (50% × $2250 payee net)
This is the temporary (pendente lite) support guideline. Permanent support is based on marital standard of living at court discretion. Different counties may use slightly different percentages.
How Alimony Is Calculated
Court-ordered payments from a higher-earning spouse during or after divorce
Alimony (also called spousal support or maintenance) is determined differently depending on your jurisdiction. Some states have statutory formulas with specific percentages, while others leave the amount entirely to judicial discretion based on multiple factors.
IL, NY, CO, CA, PA, TX — use statutory percentages of income with defined caps
OH, AZ, VA, MI, FL — courts weigh multiple factors with no fixed formula
20-33% of income difference based on Rajnesh vs Neha (2020) Supreme Court guidelines
25-35% of income difference with duration tied to marriage length as a starting point
State-Specific Formulas
Statutory formulas, county guidelines, and caps used by our calculator
| State | Formula | Cap | Duration |
|---|---|---|---|
| Illinois | 33.33% payor net − 25% payee net | 40% combined net | Multiplier table (0.20×–0.80×) |
| New York | Lesser of (30%P − 20%R) or (40% combined − R) | $241K payor income | 15–50% of marriage length |
| Colorado | 40% higher gross − 50% lower gross | 40% combined gross | 31–50% of marriage months |
| California* | 40% payor net − 50% payee net | County-specific | ½ marriage or indefinite (10+ yr) |
| Pennsylvania | (33% × payor) − (40% × payee) | None | Court discretion |
| Texas | Lesser of $5K/mo or 20% gross | $5,000/month | 5–10 years max |
*California has no statewide statutory formula. This is the Santa Clara County temporary support guideline used by most counties.
Even in formula states, judges have discretion to deviate based on circumstances. States not listed above use judicial benchmarks with no fixed formula — our calculator provides general estimates for those states.
Factors That Affect Alimony
Key factors courts consider when determining alimony amounts
The larger the gap between spouses' earnings, the higher the potential alimony
Longer marriages typically result in longer and higher payment obligations
Courts aim to maintain the lifestyle established during the marriage
A spouse who sacrificed career for the family may receive more support
Older or disabled spouses may receive longer or permanent support
The custodial parent's financial needs are factored into the calculation
Important Disclaimers
Legal context and tax implications to be aware of
Estimates Only
This calculator provides estimates, not legal advice. Actual alimony amounts are determined by courts based on the specific facts of each case. Even in states with formulas, judges have discretion to deviate.
Tax Treatment Changed in 2018
Since the Tax Cuts and Jobs Act (TCJA), alimony is no longer tax-deductible for the payor or taxable income for the payee on federal returns (for divorces finalized after December 31, 2018). State tax treatment may vary.
India: Judicial Discretion
Indian maintenance amounts are guided by Supreme Court decisions (notably Rajnesh vs Neha, 2020) but remain at judicial discretion. This calculator uses common benchmarks of 20-33% of the income difference.
Tips for Your Alimony Case
Practical steps to strengthen your position
Document all income sources
Gather pay stubs, tax returns, bank statements, and records of any freelance or investment income for both spouses.
Track marital standard of living
Keep records of household expenses, vacations, and lifestyle costs. Courts use this as a baseline for support amounts.
Understand modification rules
Alimony can often be modified if circumstances change significantly — job loss, income change, remarriage, or cohabitation.
Consider mediation first
Mediation is typically faster, cheaper, and less adversarial than litigation. Many courts require it before trial.
Consult a family law attorney
State laws vary dramatically. A local attorney can advise on your specific jurisdiction's rules, recent case law, and likely outcomes.
Frequently Asked Questions
Common questions and detailed answers
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Last updated Mar 29, 2026