Alimony Calculator by State

Alimony, also known as spousal support, is financial support paid by one spouse to another after a divorce. The amount and duration of alimony can vary widely depending on state laws, income levels, and the length of the marriage. Use our state-by-state alimony calculator to estimate potential spousal support payments and understand how alimony is calculated in different states.
states with guideline formula
~15
e.g., CA, NY, TX (cap only)
national avg. lawyer rate
$324
per hour (2025 data)
median court filing fee
$300
varies $150–$450
avg. retainer (family)
$3,163
per 2024 benchmark

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Alimony Calculation in All 50 States (2026)

guideline vs. discretionary duration caps needs-based Most states fall into three categories: formula-driven (temporary), durational limits, or pure discretion. Data compiled from state statutes and 2026 updates. Scroll for total cost breakdown.

State Alimony formula / cap Duration max (typical) Lawyer avg. rate Court filing fee
Alabama discretionary (needs/ability) indefinite (modifiable) $250 $300
Alaska equitable distribution, no formula indefinite $329 $250
Arizona discretionary, 5y separation grounds max 5y (if under 10y marriage) $325 $347
Arkansas discretionary (13 factors) indefinite $269 $165
California temp: 40% payer net – 50% recipient net indefinite (≥10y marriage) $420 $435
Colorado advisory guidelines (12–50% income gap) indefinite, but often limited $319 $230
Connecticut statutory factors (no formula) indefinite / duration based $404 $350
Delaware Melson formula (complex) 50% of marriage length (if >20y) $472 $200
Florida needs-based, durational caps 50% marriage length (max 20y) $351 $409
Georgia discretionary (needs/ability) indefinite (modifiable) $363 $230
Hawaii discretionary, 13 factors indefinite $337 $275
Idaho discretionary, may consider fault indefinite $304 $154
Illinois guideline: 33% net income gap 20–40% marriage length (HB 3982) $349 $387
Indiana discretionary, "just and proper" indefinite (rarely permanent) $290 $187
Iowa discretionary, 13 factors indefinite (often rehabilitative) $250 $185
Kansas discretionary (may consider misconduct) indefinite $311 $195
Kentucky discretionary, 12 factors indefinite $244 $153
Louisiana final alimony capped at 1/3 payer income indefinite (rare), rehabilitative common $265 $400
Maine discretionary, 17 factors indefinite (modifiable) $254 $150
Maryland discretionary (factors), indefinite possible indefinite (post‑2023 changes) $361 $185
Massachusetts guideline (Child Support Guidelines influenced) indefinite (≥10y marriage often indefinite) $331 $240
Michigan discretionary (needs/ability, 12 factors) indefinite $296 $175
Minnesota discretionary, durational caps (for marriages<10y)<> 50% marriage length if<10y<> $325 $375
Mississippi discretionary (Armstrong factors) indefinite $248 $150
Missouri discretionary, 12 factors indefinite (often limited) $300 $200
Montana discretionary, 12 factors (includes marital property) indefinite $258 $170
Nebraska discretionary, 13 factors indefinite $261 $162
Nevada discretionary (needs/ability) indefinite (but usually limited) $325 $299
New Hampshire advisory guidelines, rehabilitative preference indefinite (rare) $289 $250
New Jersey permanent alimony possible, 12 factors indefinite (recent durational caps for<20y)<> $363 $300
New Mexico discretionary (needs/ability) indefinite $280 $157
New York guideline: 20% payer – 25% recipient of income up to cap 30–50% marriage length (if<15y) etc.=""> $420 $210
North Carolina discretionary (16 factors, fault may bar) indefinite (post‑separation support limited) $315 $225
North Dakota discretionary, 9 factors indefinite (often rehabilitative) $324 $80
Ohio discretionary (14 factors, includes misconduct) indefinite, but often limited $276 $250
Oklahoma discretionary (13 factors) indefinite $278 $183
Oregon discretionary (needs/ability, 14 factors) indefinite (but presumptive caps) $324 $302
Pennsylvania guideline: 40% payer net – 50% recipient net (temp) indefinite (≥10y may be permanent) $311 $350
Rhode Island discretionary (12 factors) indefinite $368 $120
South Carolina discretionary (16 factors) indefinite (modifiable) $297 $150
South Dakota discretionary (needs/ability, short‑term favored) indefinite (rare) $251 $90
Tennessee discretionary, durational limits (rehabilitative) max 50% marriage length $298 $300
Texas cap: lower of $5k or 20% gross income 5/7/10 years max (except disability) $367 $300
Utah advisory guidelines (income‑based, temporary) indefinite (but limited in practice) $335 $345
Vermont discretionary, 13 factors (rehabilitative preference) indefinite (rare) $279 $90
Virginia discretionary, 13 factors (no formula) indefinite (≤50% marriage length for spousal support guidelines) $378 $100
Washington discretionary (needs/ability, 10 factors) indefinite (modifiable) $344 $280
West Virginia discretionary (16 factors) indefinite (rehabilitative common) $196 $150
Wisconsin discretionary (13 factors, indefinite possible) indefinite (often limited to 5–7y) $278 $200
Wyoming discretionary (needs/ability) indefinite $309 $85
District of Columbia discretionary (12 factors, permanent possible) indefinite $490 $120

🔗 Sources: State statutes, 2025 lawyer rates from 州.txt, court fees from state court websites (2026).

Total Divorce Spousal Support Cost: All Fees Included

Typical components of total alimony‑related cost:

  • Lawyer retainer: $2,000–$5,000 (family law avg $3,163).

  • Hourly lawyer fees: $196 (WV) – $490 (DC) per hour. Average 10–30 hours for negotiation/drafting.

  • Court filing fee: $80 (ND) – $435 (CA).

  • Mediation (if required): $250–$400 per hour, often 4–8 hours.

  • Alimony itself: monthly payments over years – present value $50k–$300k depending on state & length.

  • Actuarial present value of alimony obligation (for negotiations): often calculated with discount rate 3–5%.

Sample total cost for a 12‑year marriage, $10k/$3k income, in three states

California (indefinite, 40/50 formula)Lawyer $420/hr × 25 = $10,500; filing $435; mediation $2,000; alimony PV (15 yrs @3%) ~$180k → total cost ~$193k
Texas (cap $2k/mo, 5‑year max)Lawyer $367/hr × 20 = $7,340; filing $300; alimony PV (5 yrs) ~$105k → total ~$113k
Florida (durational, 50% marriage length = 6 yrs)Lawyer $351/hr × 22 = $7,722; filing $409; alimony PV (6 yrs need‑based ~$1.8k/mo) ~$114k → total ~$122k

⚠️ These are illustrative; actual costs vary with complexity, assets, and whether trial occurs.

Alimony Total Cost Estimator (2026)

Estimate total spousal support cost including legal fees, court costs, and alimony present value.

Launch Interactive 50‑State Calculator →

Select state, income, marriage length, get total cost range.

Scenario: Same Couple, Different State – Alimony & Cost

Facts: Payer earns $12k/mo gross, recipient $2k/mo, 14‑year marriage, 1 child. Child support computed separately.

New York

guideline: 20% payer – 25% recipient (up to $203k income cap). Approx temp alimony $2,150/mo. Duration 30–50% marriage length = 4.2–7 years. PV (6y) ~$140k. Lawyer avg $420/hr × 30 = $12,600. Total ~$153k.

Illinois

guideline: 33% net income gap (~$2,500/mo). Duration 20–40% marriage = 2.8–5.6 years. PV (4y) ~$115k. Lawyer $349/hr × 28 = $9,772. Total ~$125k.

Georgia

discretionary, needs‑based. Likely $1,800/mo for 5 years (rehab). PV ~$100k. Lawyer $363/hr × 25 = $9,075. Total ~$109k.

State Comparison: Alimony Rules & Total Cost

🔵 California

Formula: 40/50 temporary
Duration: indefinite (≥10y)
Lawyer rate: $420
Filing fee: $435
Total cost (12y ex): ~$190k

🔴 Texas

Cap: 20%/$5k
Duration: 5y (12y marriage)
Lawyer rate: $367
Filing fee: $300
Total cost (12y ex): ~$113k

🟠 Florida

Need + durational 50% marriage length
Duration: 6y (12y marriage)
Lawyer rate: $351
Filing fee: $409
Total cost: ~$122k

Factors Affecting Alimony in Most States

Income & Needsstandard of living during marriage
Marriage Lengthkey for duration & amount
Age & Healthearning capacity
Childcare responsibilitiesimpact on employment
Property divisionassets awarded
Marital misconductin some states (e.g., NY, NC)
Tax consequencespost‑2018 no deduction
Voluntary unemploymentimputation of income

Alimony Calculation & Cost FAQ (2026)

Which states have a strict alimony formula?

California, New York, Illinois, Pennsylvania (temporary), Delaware (Melson), and to some extent Colorado, Utah have advisory guidelines. Most states use discretionary factors.

How much do lawyers charge for alimony negotiation?

Based on 2025 data, average hourly rates range from $196 (WV) to $490 (DC). A typical uncontested modification may cost $2,000–$5,000 total; contested hearings much more.

Are court filing fees the same in every county?

No, they vary by state and sometimes by county. We list average state‑wide filing fees; urban counties (Harris, Dallas, LA, NYC) may add surcharges.

What is the present value of alimony and why does it matter?

Present value sums future alimony payments into today's dollars using a discount rate. It's used in settlement negotiations to offset against property division.

Does marital misconduct affect alimony?

Yes, in about 25 states (e.g., NY, NC, VA, TX) it's a factor; in no‑fault states like CA, it's generally not considered.

Changing States Before Divorce: Impact on Alimony

residency rules To file for divorce, at least one spouse must meet state residency (typically 6 months). If you move to a new state, that state's alimony laws will apply if you file after establishing residency. Example: moving from California (indefinite) to Texas (capped) can drastically reduce exposure — but must satisfy Texas residency (6 months). Courts also consider the "habitual residence" of the marriage.

📌 Always consult a family law attorney before relocating for divorce purposes. The Uniform Marriage and Divorce Act governs some jurisdiction issues.

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