Alimony Calculator: Estimating Spousal Support in Kansas (2026 Guide)

By Antonio G. Jimenez, Esq.Kansas17 min read

At a Glance

Residency requirement:
To file for divorce in Kansas, either you or your spouse must have been an actual resident of Kansas for at least 60 days immediately before the petition is filed (K.S.A. § 23-2703). There is no separate county residency requirement. Military personnel stationed at a U.S. post or military reservation in Kansas for at least 60 days may also file in a county adjacent to the installation.
Filing fee:
$173–$200
Waiting period:
Kansas uses statewide Child Support Guidelines adopted by the Kansas Supreme Court to calculate child support obligations. The guidelines primarily consider both parents' gross incomes, the number of children, costs of health insurance and childcare, and the parenting time schedule. Support is generally owed for children under age 18, or up to age 19 if the child is still attending high school, and can be extended by written agreement of the parents.

As of April 2026. Reviewed every 3 months. Verify with your local clerk's office.

Need a Kansas divorce attorney?

One personally vetted attorney per county — by application only

Find Yours

Kansas courts call alimony "maintenance" and cap awards at 121 months (10 years, 1 month) under K.S.A. 23-2902. Kansas has no statewide formula for calculating maintenance, but the widely referenced Johnson County Family Law Guidelines use 20% of the income difference between spouses, payable for one-third of the marriage length. The filing fee for a Kansas divorce is $195, the residency requirement is 60 days, and the state follows equitable distribution for property division. This guide explains how Kansas courts determine spousal support amounts and duration so you can use an alimony calculator for Kansas with confidence.

Key Facts: Kansas Spousal Maintenance at a Glance

FactorDetail
Legal TermMaintenance (not "alimony")
Governing StatuteK.S.A. 23-2902
Maximum Duration121 months (10 years, 1 month)
Statewide FormulaNone — judge's discretion
Common Guideline20% of income difference (Johnson County)
Duration GuidelineOne-third the length of the marriage
Filing Fee$195 (as of March 2026; verify with your local clerk)
Residency Requirement60 days (K.S.A. 23-2703)
Grounds for DivorceIncompatibility (no-fault) (K.S.A. 23-2701)
Property DivisionEquitable distribution — all property (K.S.A. 23-2802)
Tax TreatmentNot deductible for payer; not taxable to recipient (post-2018 TCJA)
Waiting Period60 days from filing to finalization

How Does a Kansas Alimony Calculator Work?

A Kansas alimony calculator estimates monthly spousal support by applying the Johnson County guideline formula: 20% of the difference between the higher-earning spouse's gross monthly income and the lower-earning spouse's gross monthly income. For a couple where one spouse earns $10,000 per month and the other earns $3,000, the estimated maintenance payment would be $1,400 per month (20% of the $7,000 difference). The estimated duration would equal one-third of the marriage length, so a 15-year marriage would produce an estimated 5-year (60-month) maintenance term.

Kansas does not have a statewide mandatory formula for calculating spousal maintenance. Under K.S.A. 23-2902, the district court has broad discretion to award maintenance in an amount that is "fair, just and equitable under all of the circumstances." The Johnson County Family Law Guidelines, while not binding on any court, are the most widely referenced benchmark across Kansas family law practice.

Other Kansas counties have developed their own informal guidelines, but most practitioners default to the Johnson County model as a starting point for negotiations. An alimony calculator for Kansas provides a useful estimate, but the final award depends on judicial discretion and the specific facts of each case.

What Factors Do Kansas Courts Consider When Awarding Maintenance?

Kansas courts consider eight statutory factors when determining maintenance under K.S.A. 23-2902: the age of the parties, present and future earning capacity of both spouses, the duration of the marriage, property owned by each spouse, the time and manner property was acquired, the needs of each spouse, family obligations, and the overall financial resources of each party. A marriage lasting 15 years or longer significantly increases the likelihood of a maintenance award compared to marriages under 5 years.

The overarching principle in Kansas maintenance law is the ability of one spouse to pay and the other spouse's need for support. Kansas courts evaluate whether the requesting spouse can meet reasonable needs independently after the divorce. A spouse who sacrificed career advancement to raise children during a 20-year marriage has a stronger maintenance claim than a spouse in a 3-year marriage where both parties maintained full-time employment throughout.

Kansas judges also weigh each spouse's contribution to the marriage, including homemaking and child-rearing. The standard of living established during the marriage serves as a reference point, though Kansas courts do not guarantee the receiving spouse will maintain the exact marital standard of living after divorce.

Earning Capacity vs. Actual Income

Kansas courts distinguish between a spouse's actual income and their earning capacity when calculating maintenance. If a spouse voluntarily underemploys or refuses to seek appropriate work, the court may impute income based on that spouse's education, work history, and the local job market. A spouse with a nursing degree who chooses not to work may have income imputed at the average Kansas registered nurse salary of approximately $65,000 to $75,000 per year, depending on the county.

How Long Does Spousal Maintenance Last in Kansas?

Kansas law sets a hard cap of 121 months (10 years and 1 month) as the maximum duration for court-ordered maintenance under K.S.A. 23-2902. A court may exceed this 121-month limit only if the parties agree to a longer term in their settlement agreement or if the court finds "unusual and compelling circumstances" justifying an extension. The Johnson County guideline suggests duration equal to one-third of the marriage length, meaning a 21-year marriage would produce a 7-year (84-month) maintenance term.

Kansas courts may also reserve jurisdiction to extend maintenance if the receiving spouse files a proper request before the original maintenance period expires. This reservation is not automatic and must be specifically included in the divorce decree. Without a reservation of jurisdiction, the maintenance order terminates on the date specified in the decree with no possibility of extension.

Duration Comparison Table

Marriage LengthJohnson County Guideline DurationMaximum Possible
5 years20 months121 months
10 years40 months121 months
15 years60 months121 months
20 years80 months121 months
25 years100 months121 months
30+ years121 months (capped)121 months

What Types of Maintenance Can Kansas Courts Award?

Kansas courts may award maintenance in four forms under K.S.A. 23-2902: lump-sum payments, periodic payments over a set period, payments based on a percentage of the paying spouse's earnings, or payments on any other basis the court deems appropriate. Periodic monthly payments are the most common form, accounting for the majority of Kansas maintenance awards. A lump-sum award is typically used when the paying spouse has significant assets but irregular income.

The court may also structure the decree to make maintenance modifiable or terminable under prescribed circumstances. Common termination triggers include the receiving spouse's remarriage, cohabitation with a new partner, or a substantial change in either party's financial circumstances. Kansas courts retain the power to modify maintenance orders upon a showing of changed circumstances material enough to justify modification.

Temporary vs. Permanent Maintenance

Kansas courts may award temporary maintenance (pendente lite) while the divorce case is pending. Temporary maintenance covers the lower-earning spouse's living expenses during the litigation period, which can last 6 to 18 months in contested Kansas divorces. Temporary maintenance terminates automatically when the final divorce decree is entered, at which point any long-term maintenance award takes effect.

How Does the Johnson County Spousal Support Calculator Formula Work?

The Johnson County Family Law Guidelines calculate maintenance as 20% of the difference in gross monthly incomes between spouses, payable for a period equal to one-third of the marriage duration. For example, if Spouse A earns $12,000 gross monthly and Spouse B earns $4,000 gross monthly, the income difference is $8,000, and 20% of that difference produces a $1,600 monthly maintenance estimate. If the marriage lasted 18 years, the guideline duration would be 6 years (72 months).

The Johnson County Guidelines were developed by the Johnson County Bar Association Family Law Section and were last revised and approved in June 2022. These guidelines are not adopted by the Johnson County District Court as binding rules. They represent a consensus framework designed to provide a starting point for settlement negotiations and a suggested method for resolving contested maintenance disputes. Judges in Johnson County and across Kansas may deviate from these guidelines based on the specific facts of each case.

Step-by-Step Calculation Example

  1. Determine Spouse A gross monthly income: $9,500
  2. Determine Spouse B gross monthly income: $2,800
  3. Calculate income difference: $9,500 minus $2,800 equals $6,700
  4. Apply 20% formula: $6,700 multiplied by 0.20 equals $1,340 per month
  5. Determine marriage length: 12 years (144 months)
  6. Apply one-third duration rule: 144 months divided by 3 equals 48 months
  7. Estimated maintenance: $1,340 per month for 48 months
  8. Total estimated maintenance: $1,340 multiplied by 48 equals $64,320

What Are the Tax Implications of Kansas Spousal Support in 2026?

Spousal maintenance payments in Kansas divorces finalized after December 31, 2018, are not tax-deductible for the paying spouse and are not taxable income for the receiving spouse under the federal Tax Cuts and Jobs Act (TCJA) of 2017. Kansas state income tax follows the same treatment, meaning maintenance payments have no impact on either spouse's state tax return. For a spouse paying $1,500 per month in maintenance, the full $1,500 comes from after-tax income with no federal or Kansas state deduction available.

This tax treatment represents a significant shift from pre-2019 rules, where the paying spouse could deduct maintenance payments and the receiving spouse reported them as taxable income. Divorces finalized before January 1, 2019, retain the old tax treatment unless the parties modify their agreement and specifically elect the new rules. Kansas courts factor the current tax treatment into maintenance calculations, which may result in lower monthly amounts compared to pre-2019 awards since the paying spouse bears the full tax burden.

How Does Property Division Affect Maintenance in Kansas?

Kansas courts consider the property division when determining maintenance because K.S.A. 23-2802 requires the court to evaluate property owned by each party and the allowance of maintenance as interconnected factors. A spouse who receives a larger share of marital property may receive less maintenance, while a spouse who receives fewer assets may receive higher or longer maintenance. Kansas divides all property equitably, including assets acquired before the marriage, inheritances, and gifts.

Kansas is an equitable distribution state, meaning judges divide property based on fairness rather than a strict 50/50 split. Under K.S.A. 23-2802, the court considers 10 factors including the age of the parties, marriage duration, earning capacities, the source and manner of property acquisition, dissipation of assets, and tax consequences. A spouse who dissipated marital assets through gambling, excessive spending, or hiding funds may receive a smaller property share and face a higher maintenance obligation.

Property Division vs. Maintenance Comparison

FactorProperty DivisionMaintenance
Governing StatuteK.S.A. 23-2802K.S.A. 23-2902
What Is DividedAll property regardless of sourceFuture income of paying spouse
DurationOne-time division at divorceUp to 121 months
ModifiableGenerally not modifiableModifiable upon changed circumstances
Tax ImpactVaries by asset typeNot deductible / not taxable (post-2018)
Terminates at RemarriageNoTypically yes

Can Kansas Maintenance Be Modified or Terminated?

Kansas maintenance orders can be modified or terminated upon a showing of a material change in circumstances under K.S.A. 23-2903. Common grounds for modification include a significant increase or decrease in either spouse's income, involuntary job loss, disability, retirement, or the receiving spouse becoming self-supporting. The spouse seeking modification bears the burden of proving the change is substantial enough to warrant a new order.

Kansas maintenance typically terminates automatically upon the remarriage of the receiving spouse or the death of either party. Cohabitation by the receiving spouse with a new partner may also justify termination or reduction, though Kansas courts evaluate cohabitation on a case-by-case basis rather than applying an automatic termination rule. The paying spouse must file a motion to modify and demonstrate that the cohabitation has materially changed the receiving spouse's financial circumstances.

Kansas courts may also include specific termination provisions in the original divorce decree, such as termination upon the receiving spouse obtaining full-time employment or completing a degree program. These provisions are enforceable as written, and the paying spouse can seek enforcement through a motion to terminate maintenance once the specified condition is met.

What Is the Kansas Divorce Filing Process for Maintenance Claims?

Filing for divorce in Kansas requires at least one spouse to have been a resident of the state for 60 consecutive days immediately preceding the filing under K.S.A. 23-2703. The filing fee is $195 in most Kansas district courts as of March 2026 (verify with your local clerk, as some courts add surcharges). Kansas requires a mandatory 60-day waiting period from the date of filing before the court can finalize the divorce, during which temporary maintenance may be awarded.

The most common ground for divorce in Kansas is incompatibility under K.S.A. 23-2701, which is a no-fault ground requiring no proof of wrongdoing by either spouse. Kansas also recognizes fault grounds including failure to perform a material marital duty or obligation and incompatibility by reason of mental illness. A spouse seeking maintenance must specifically request it in their petition for divorce or in a counter-petition; failure to request maintenance in the pleadings may result in waiver of the right to seek it.

Steps to Request Maintenance in Kansas

  1. File a Petition for Divorce in the district court of the county where either spouse resides, paying the $195 filing fee
  2. Include a specific request for maintenance in the petition, stating the amount and duration sought
  3. Serve the petition on the other spouse, who has 21 days to file a response
  4. Exchange financial disclosures including income verification, tax returns, asset statements, and monthly expense worksheets
  5. Attend a case management conference where the court may set temporary orders including temporary maintenance
  6. Negotiate maintenance terms through mediation or settlement conferences (Kansas courts encourage alternative dispute resolution)
  7. If no agreement is reached, proceed to trial where the judge applies the K.S.A. 23-2902 factors
  8. Receive the final decree, which must be issued at least 60 days after the petition was filed

Frequently Asked Questions

How is alimony calculated in Kansas?

Kansas has no statewide mandatory formula for calculating maintenance. The Johnson County Family Law Guidelines, widely referenced across the state, calculate maintenance as 20% of the gross monthly income difference between spouses for a duration equal to one-third of the marriage length. Under K.S.A. 23-2902, the judge has broad discretion to set an amount that is "fair, just and equitable" based on eight statutory factors including earning capacity, marriage duration, and financial needs.

What is the maximum duration of spousal support in Kansas?

Kansas law caps court-ordered maintenance at 121 months (10 years and 1 month) under K.S.A. 23-2902. A court may exceed this cap only if both parties agree to a longer term in a written settlement agreement or if the court finds "unusual and compelling circumstances" justifying an extension. The Johnson County guideline suggests duration equal to one-third of the marriage length, so a 24-year marriage would produce an estimated 8-year (96-month) term.

Can men receive alimony in Kansas?

Kansas law is gender-neutral regarding maintenance. Under K.S.A. 23-2902, the court may award maintenance "to either party" based on financial need and the other spouse's ability to pay. Kansas courts evaluate the same eight statutory factors regardless of gender, meaning a husband who earned less than his wife during the marriage has the same legal right to request and receive maintenance as a wife in the reverse situation.

Does adultery affect alimony in Kansas?

Kansas is a no-fault divorce state where the primary ground for divorce is incompatibility under K.S.A. 23-2701. Adultery is not a listed ground for divorce in Kansas and does not directly affect maintenance awards. Kansas courts determine maintenance based on financial factors under K.S.A. 23-2902, not marital misconduct. However, if adultery led to dissipation of marital assets (spending marital funds on an affair), the court may consider that financial impact in the property division.

How much does it cost to file for divorce in Kansas?

The filing fee for a divorce petition in Kansas is $195 in most district courts as of March 2026. Some courts may add local surcharges that increase the total cost slightly above $195. If you cannot afford the filing fee, Kansas courts allow you to submit a Poverty Affidavit requesting a fee waiver, and the judge will determine whether the fee should be waived based on your financial circumstances. Total divorce costs including attorney fees range from $500 for uncontested cases to $25,000 or more for contested divorces.

Does cohabitation end alimony in Kansas?

Cohabitation by the receiving spouse does not automatically terminate maintenance in Kansas. The paying spouse must file a motion to modify or terminate maintenance and demonstrate that the cohabitation has materially changed the receiving spouse's financial circumstances. Kansas courts evaluate cohabitation case by case, considering factors such as whether the new partner contributes to household expenses, how long the cohabitation has lasted, and whether the arrangement resembles a marriage-like relationship.

Can a Kansas maintenance order be modified?

Kansas maintenance orders are modifiable upon a showing of a material change in circumstances under K.S.A. 23-2903, unless the original decree specifically states that maintenance is non-modifiable. Common grounds for modification include involuntary job loss, disability, retirement, a significant income increase for the receiving spouse, or the receiving spouse becoming self-supporting. The party requesting modification bears the burden of proving the change is substantial enough to justify altering the original order.

Is Kansas alimony taxable in 2026?

Maintenance payments in Kansas divorces finalized after December 31, 2018, are not tax-deductible for the paying spouse and are not taxable income for the receiving spouse under the federal Tax Cuts and Jobs Act of 2017. Kansas state income tax follows the same treatment. Divorces finalized before January 1, 2019, retain the prior tax treatment where the payer could deduct payments and the recipient reported them as income, unless the parties modify their agreement to elect the new rules.

What is the difference between maintenance and property division in Kansas?

Maintenance provides ongoing periodic payments from one spouse's future income for up to 121 months under K.S.A. 23-2902, while property division under K.S.A. 23-2802 is a one-time allocation of all marital assets and debts at the time of divorce. Maintenance is modifiable upon changed circumstances and typically terminates upon the recipient's remarriage. Property division is generally final and non-modifiable once the decree is entered. Kansas courts consider both together, and a larger property award may reduce the maintenance amount.

Do I need a lawyer to get alimony in Kansas?

Kansas does not require legal representation to request maintenance in a divorce, but hiring a family law attorney significantly increases the likelihood of a favorable outcome. Maintenance calculations involve financial analysis, income verification, earning capacity arguments, and application of the K.S.A. 23-2902 factors that benefit from professional legal expertise. Kansas Legal Services provides free legal assistance to qualifying low-income residents, and many Kansas family law attorneys offer initial consultations for $100 to $300.

This guide provides general legal information about Kansas spousal maintenance law as of March 2026 and is not a substitute for advice from a licensed Kansas attorney. Spousal support outcomes vary significantly based on individual circumstances, county practices, and judicial discretion.

Frequently Asked Questions

How is alimony calculated in Kansas?

Kansas has no statewide mandatory formula for calculating maintenance. The Johnson County Family Law Guidelines, widely referenced across the state, calculate maintenance as 20% of the gross monthly income difference between spouses for a duration equal to one-third of the marriage length. Under K.S.A. 23-2902, the judge has broad discretion to set an amount that is 'fair, just and equitable' based on eight statutory factors including earning capacity, marriage duration, and financial needs.

What is the maximum duration of spousal support in Kansas?

Kansas law caps court-ordered maintenance at 121 months (10 years and 1 month) under K.S.A. 23-2902. A court may exceed this cap only if both parties agree to a longer term in a written settlement agreement or if the court finds 'unusual and compelling circumstances' justifying an extension. The Johnson County guideline suggests duration equal to one-third of the marriage length, so a 24-year marriage would produce an estimated 8-year (96-month) term.

Can men receive alimony in Kansas?

Kansas law is gender-neutral regarding maintenance. Under K.S.A. 23-2902, the court may award maintenance 'to either party' based on financial need and the other spouse's ability to pay. Kansas courts evaluate the same eight statutory factors regardless of gender, meaning a husband who earned less than his wife during the marriage has the same legal right to request and receive maintenance as a wife in the reverse situation.

Does adultery affect alimony in Kansas?

Kansas is a no-fault divorce state where the primary ground for divorce is incompatibility under K.S.A. 23-2701. Adultery is not a listed ground for divorce in Kansas and does not directly affect maintenance awards. Kansas courts determine maintenance based on financial factors under K.S.A. 23-2902, not marital misconduct. However, if adultery led to dissipation of marital assets, the court may consider that financial impact in the property division.

How much does it cost to file for divorce in Kansas?

The filing fee for a divorce petition in Kansas is $195 in most district courts as of March 2026. Some courts may add local surcharges. If you cannot afford the filing fee, Kansas courts allow you to submit a Poverty Affidavit requesting a fee waiver. Total divorce costs including attorney fees range from $500 for uncontested cases to $25,000 or more for contested divorces.

Does cohabitation end alimony in Kansas?

Cohabitation by the receiving spouse does not automatically terminate maintenance in Kansas. The paying spouse must file a motion to modify or terminate and demonstrate that the cohabitation has materially changed the receiving spouse's financial circumstances. Kansas courts evaluate cohabitation case by case, considering whether the new partner contributes to household expenses and whether the arrangement resembles a marriage-like relationship.

Can a Kansas maintenance order be modified?

Kansas maintenance orders are modifiable upon a showing of a material change in circumstances under K.S.A. 23-2903, unless the original decree specifically states that maintenance is non-modifiable. Common grounds include involuntary job loss, disability, retirement, or the receiving spouse becoming self-supporting. The party requesting modification bears the burden of proving the change is substantial enough to justify altering the original order.

Is Kansas alimony taxable in 2026?

Maintenance payments in Kansas divorces finalized after December 31, 2018, are not tax-deductible for the paying spouse and are not taxable income for the receiving spouse under the federal Tax Cuts and Jobs Act of 2017. Kansas state income tax follows the same treatment. Divorces finalized before January 1, 2019, retain the prior tax treatment unless the parties modify their agreement to elect the new rules.

What is the difference between maintenance and property division in Kansas?

Maintenance provides ongoing periodic payments from one spouse's future income for up to 121 months under K.S.A. 23-2902, while property division under K.S.A. 23-2802 is a one-time allocation of all marital assets and debts. Maintenance is modifiable and typically terminates upon remarriage. Property division is generally final and non-modifiable once the decree is entered. Kansas courts consider both together when structuring the overall financial settlement.

Do I need a lawyer to get alimony in Kansas?

Kansas does not require legal representation to request maintenance in a divorce, but hiring a family law attorney significantly increases the likelihood of a favorable outcome. Maintenance calculations involve financial analysis, income verification, and application of the K.S.A. 23-2902 factors that benefit from professional expertise. Kansas Legal Services provides free legal assistance to qualifying low-income residents, and many attorneys offer consultations for $100 to $300.

Estimate your numbers with our free calculators

View Kansas Divorce Calculators

Written By

Antonio G. Jimenez, Esq.

Florida Bar No. 21022 | Covering Kansas divorce law

Vetted Kansas Divorce Attorneys

Each city on Divorce.law has one personally vetted exclusive attorney.

+ 5 more Kansas cities with exclusive attorneys

Part of our comprehensive coverage on:

Alimony & Spousal Support — US & Canada Overview