Estimate monthly spousal support (alimony) payments based on your state's guidelines, both spouses' income, and marriage length. Updated for 2026.
Disclaimer: This is an estimate only. Alimony calculations vary by state, judge, and individual circumstances. Consult a family law attorney for accurate calculations specific to your situation.
Calculate Spousal Support
How Alimony Varies by Income Difference
Payer Income
Monthly Alimony
Duration
Total Payments
Types of Alimony Explained
Temporary Alimony
Paid during divorce proceedings to maintain the status quo. Ends when the divorce is finalized and a permanent order is issued.
Rehabilitative Alimony
Short-term support to help the recipient gain education, training, or work experience needed to become self-supporting. Most common type awarded.
Permanent Alimony
Ongoing support until the recipient remarries, either party dies, or a court modifies the order. Typically reserved for long marriages (20+ years).
Lump-Sum Alimony
A one-time payment instead of ongoing monthly payments. Cannot be modified once awarded. Often used when a clean financial break is desired.
How Alimony Is Calculated in 2026
Alimony, also known as spousal support or maintenance, is a court-ordered payment from one spouse to the other during or after a divorce. The purpose is to limit the unfair economic impact of divorce by providing ongoing income to the lower-earning or non-earning spouse. Every state has its own approach to determining alimony amounts and duration.
Key Factors in Alimony Calculations
While each state weighs factors differently, courts universally consider the following when determining spousal support:
Income disparity: The gap between each spouse's earning capacity is the primary driver. Larger gaps typically result in higher alimony awards.
Marriage duration: Longer marriages generally result in longer and larger alimony awards. Many states use the marriage length as a direct multiplier for determining how long alimony should be paid.
Standard of living: Courts aim to allow both spouses to maintain a standard of living reasonably comparable to what they enjoyed during the marriage.
Age and health: Older recipients or those with health issues may receive larger or longer awards, as they may have limited ability to increase their earning capacity.
Contributions to marriage: Both financial contributions and non-financial contributions (homemaking, child-rearing, supporting a spouse's career or education) are considered.
Property division: The overall property settlement affects alimony. A spouse receiving a larger share of marital assets may receive less alimony.
Earning capacity: Courts consider not just current income but potential earning capacity, including education, work experience, and job market conditions.
State-by-State Alimony Approaches
States fall into several categories in how they calculate alimony:
Formula states: States like Illinois, Colorado, and New York have statutory formulas that provide a starting point for alimony calculations. These formulas typically use a percentage of the income difference between spouses.
Guideline states: States like Massachusetts and Pennsylvania have detailed guidelines that courts are expected to follow, with specific durations tied to marriage length.
Discretionary states: Many states give judges broad discretion to determine alimony based on statutory factors without a fixed formula. This can lead to less predictable outcomes.
Limited alimony states: States like Texas and Indiana significantly restrict alimony awards, making them harder to obtain and capping both amount and duration.
Tax Implications of Alimony (Post-TCJA)
Important Tax Change: Tax Cuts and Jobs Act (2017)
For divorce agreements executed or modified after December 31, 2018: alimony payments are NOT tax-deductible for the payer and NOT taxable income for the recipient. This was a major change from the previous system where alimony was deductible by the payer and taxed as income to the recipient. This change effectively increased the after-tax cost of alimony for the paying spouse.
Recent Alimony Reform Trends
Many states have reformed their alimony laws in recent years, with a trend toward:
Eliminating or limiting permanent alimony in favor of durational alimony
Establishing clearer guidelines and formulas to reduce judicial inconsistency
Setting termination triggers for cohabitation, retirement, or reaching Social Security age
Capping alimony at a percentage of the income difference between spouses
Creating specific durational limits tied to marriage length
Find a Family Law Attorney Near You
Get accurate alimony calculations and protect your financial interests. A family law attorney can help negotiate fair spousal support terms.
Alimony calculations vary by state but generally consider the income disparity between spouses, length of marriage, standard of living during marriage, age and health of both parties, contributions to the marriage (including homemaking), and each spouse's earning capacity. Some states like Illinois and Colorado have statutory formulas, while others give judges broad discretion.
How long does alimony last?+
Alimony duration depends on the length of marriage and state laws. For shorter marriages (under 10 years), alimony typically lasts 30-50% of the marriage length. For longer marriages (20+ years), some states allow indefinite or permanent alimony. Many states have reformed alimony laws to limit duration and establish clearer guidelines.
Is alimony tax deductible?+
For divorce agreements executed after December 31, 2018, alimony is NOT tax-deductible for the payer and NOT taxable income for the recipient. This changed under the Tax Cuts and Jobs Act (TCJA) of 2017. Agreements executed before 2019 may still follow the old rules unless modified.
What is the difference between alimony and spousal support?+
Alimony and spousal support are generally the same thing with different names used in different states. Some states use "maintenance" (like Illinois and New York) or "spousal support" (like California). All refer to payments from one spouse to another after separation or divorce to help maintain the standard of living.
Can alimony be modified?+
In most states, alimony can be modified when there is a material change in circumstances, such as a significant change in either party's income, retirement, disability, or the recipient's cohabitation with a new partner. Lump-sum alimony and contractual alimony (agreed to in a settlement) generally cannot be modified.
What are the different types of alimony?+
The main types are: Temporary alimony (during divorce proceedings), Rehabilitative alimony (to help a spouse become self-supporting), Permanent/durational alimony (ongoing support), Reimbursement alimony (repaying a spouse who supported the other's education or career), and Lump-sum alimony (one-time payment instead of ongoing payments).
Does adultery affect alimony?+
It depends on the state. In some states (like South Carolina and Georgia), adultery by the requesting spouse is an absolute bar to alimony. Other states consider it as one factor among many. In no-fault divorce states, marital misconduct may have little or no effect on alimony decisions.
Can you avoid paying alimony?+
You cannot avoid court-ordered alimony, but factors that may reduce or eliminate alimony include: a prenuptial agreement, short marriage duration, similar incomes between spouses, the recipient's ability to be self-supporting, the recipient's cohabitation or remarriage, and negotiating property division in lieu of alimony during settlement.
The average American could save $5,000/year by optimizing their tax strategy. Try our tax calculator →
Paying an extra $100/month on your mortgage saves $30,000+ in interest over the life of the loan. Calculate your savings →
Starting to invest at 25 vs 35 can mean $500,000+ more at retirement thanks to compound interest. See the difference →
Refinancing student loans at a 2% lower rate saves $10,000–$20,000 over the loan term. Check your rate →
Frequently Asked Questions
How can I improve my financial health?+
Start by tracking your spending, building an emergency fund with 3–6 months of expenses, and paying down high-interest debt. Use our budget tracker and debt payoff calculator to create a clear plan.
Follow the 50/30/20 rule: 50% of income for needs, 30% for wants, and 20% for savings and debt repayment. Track every expense for one month, then adjust. Our budget tracker makes this easy.
What is the best way to start investing?+
Begin with low-cost index funds through a tax-advantaged account like a 401(k) or IRA. Start with whatever you can afford and increase over time. Use our compound interest calculator to see how small investments grow.
How much should I save for emergencies?+
Aim for 3–6 months of essential living expenses in a high-yield savings account. Start with a $1,000 starter fund, then build gradually. Use our FIRE calculator to plan your savings targets.
About AI How To Invest
AI How To Invest provides 175+ free financial calculators and tools to help you make smarter money decisions. From mortgage and retirement planning to debt payoff strategies and investment analysis, our tools are designed to be fast, accurate, and easy to use. All calculator data stays in your browser — we never sell your personal information.
Trusted by tens of thousands of users for financial planning, tax optimization, and investment research. Learn more about us →
Affiliate Disclosure: Some links on this page are affiliate links. If you click through and make a purchase, we may earn a commission at no additional cost to you. This does not influence our calculator results or editorial content. Learn more.
Important Disclaimer: The tools and calculators on this site are for informational and educational purposes only. They do not constitute financial, investment, tax, or legal advice. Results are estimates and may differ from actual values. Always consult a qualified financial advisor, CPA, or attorney before making financial decisions. Read our full disclaimer.
