California Alimony Calculator

Estimate spousal support payments under California's statutory formula. The state formula applies up to 40% of income.

California Formula-Based

Your Income

$
Total income before taxes per year
$
Take-home pay after taxes per month

Spouse's Income

$
Total income before taxes per year
$
Take-home pay after taxes per month
years
Number of years married
Do you have children?
Having children may affect the alimony formula in some states
Higher earner: You (auto-detected from income inputs)
California uses the "Santa Clara" guideline formula for temporary spousal support (40% of payor net - 50% of payee net). Permanent support is discretionary under Family Code §4320. Long-term marriages (10+ years) may result in indefinite support.
You would pay your spouse $880/month in alimony
Estimated Monthly Alimony
$880
$10,560 per year | 12-year marriage in California
Suggested DurationIndefinite / Court discretion
Total Lifetime CostNot calculable (indefinite duration)
Formula Used40% of payor net income - 50% of payee net income (Santa ...
Types AvailableTemporary, Rehabilitative, Permanent, Lump-sum
State-Specific Notes
  • Long-term marriage (10+ years): court retains jurisdiction indefinitely. No set end date.
  • Post-2018 TCJA: alimony is not tax-deductible for the payor and not taxable income for the payee (federal).
  • Duration of 0 months indicates indefinite/open-ended support at court discretion.
Disclaimer: This calculator provides estimates only and does not constitute legal advice. Family law varies significantly by jurisdiction. Results are based on general guidelines and may not reflect your specific circumstances. Laws in California may differ from the general formulas used here. Always consult a qualified family law attorney for advice specific to your situation.

California Alimony Laws

California uses the "Santa Clara" guideline formula for temporary spousal support (40% of payor net - 50% of payee net). Permanent support is discretionary under Family Code §4320. Long-term marriages (10+ years) may result in indefinite support.

California is one of the states that uses a statutory formula to calculate spousal support, providing more predictability in alimony outcomes. However, courts retain discretion to deviate from the formula when circumstances warrant it.

How California Calculates Spousal Support

Formula: Temporary: 40% of payor net income minus 50% of payee net income. Permanent: court discretion based on Family Code §4320 factors. Duration: marriages under 10 years = typically 50% of length; marriages 10+ years ("long-term") = no set end date.

Maximum percentage: 40% of the paying spouse's income.

While the formula provides a starting point, courts may adjust the amount based on factors such as the standard of living during the marriage, each spouse's financial resources, contributions to the marriage, and the requesting spouse's ability to become self-supporting.

Types of Alimony Available in California

California courts may award the following types of spousal support:

  • Temporary
  • Rehabilitative
  • Permanent
  • Lump Sum

The type of alimony awarded depends on the circumstances of the divorce, including the length of the marriage, the financial needs of the requesting spouse, and the purpose the support is intended to serve.

California Alimony Duration Guidelines

Marriages <10 years: typically half the length of marriage. Marriages 10+ years: presumed "long-term" with no fixed end date. Court considers marital standard of living as benchmark.

Courts may modify the duration of alimony if there is a substantial change in circumstances, such as a significant increase or decrease in income, retirement, remarriage of the recipient spouse, or cohabitation with a new partner.

Frequently Asked Questions: California Alimony

How is alimony calculated in California?

California uses a statutory formula: Temporary: 40% of payor net income minus 50% of payee net income. Permanent: court discretion based on Family Code §4320 factors. Duration: marriages under 10 years = typically 50% of length; marriages 10+ years ("long-term") = no set end date. Courts may deviate from the formula based on specific circumstances of the case.

How long does alimony last in California?

Marriages <10 years: typically half the length of marriage. Marriages 10+ years: presumed "long-term" with no fixed end date. Court considers marital standard of living as benchmark. The actual duration depends on the specific facts of each case, and courts may adjust based on changed circumstances.

Can alimony be modified in California?

Yes, in most cases alimony can be modified in California if there is a substantial change in circumstances. Common grounds include significant changes in income, job loss, retirement, serious illness, or the recipient spouse becoming self-supporting. Some types of alimony, such as lump-sum awards, may not be modifiable.

Is alimony taxable in California?

For divorce agreements executed after December 31, 2018, alimony is not taxable income for the recipient and not tax-deductible for the payer under federal tax law (per the Tax Cuts and Jobs Act). California follows federal tax treatment. For pre-2019 agreements that have not been modified, the old rules may still apply.

Does California have permanent alimony?

Yes, California allows Permanent alimony. This is typically reserved for long-term marriages where the receiving spouse cannot become self-supporting. The types of alimony available in California include: Temporary, Rehabilitative, Permanent, Lump Sum.

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This website provides estimates for informational purposes only. This is not legal advice. Consult a qualified family law attorney for guidance specific to your situation.