Missouri Alimony Calculator

Estimate spousal support (alimony) in Missouri. Understand the types of alimony available, how courts calculate amounts, and how long payments may last. Updated for 2026.

Discretionary (No Formula)

Missouri does not use a fixed formula to calculate alimony. Instead, judges have broad discretion to award spousal support based on multiple statutory factors. This means outcomes can vary significantly depending on the judge and the specific circumstances.

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Types of Alimony in Missouri

Temporary Maintenance

Maintenance paid during the divorce process until the dissolution is finalized. Designed to maintain the status quo during proceedings.

Rehabilitative Maintenance

Short-term maintenance intended to support a spouse while they obtain education, training, or employment to become self-supporting. Capped at four years under 2025 reforms.

Bridge Maintenance

Short-term maintenance for marriages of brief duration, limited to two years under 2025 reforms. Helps a spouse transition to independent living.

Durational Maintenance

Maintenance for a set period designed to provide for life necessities. Duration limits under 2025 reforms: marriages of 3-10 years (up to 50% of marriage length), 10-20 years (up to 60%), 20+ years (up to 75%).

Permanent Maintenance

Long-term maintenance reserved for spouses who are unable to become self-supporting due to age, illness, or disability. Typically awarded in long-duration marriages.

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Factors Missouri Courts Consider

When determining whether to award alimony and how much, Missouri courts evaluate:

1

Financial resources of the spouse seeking maintenance, including marital property apportioned

2

Time necessary to acquire sufficient education or training for appropriate employment

3

Comparative earning capacity of each spouse

4

Standard of living established during the marriage

5

Obligations and assets of each spouse, including separate property

6

Duration of the marriage

7

Age and physical and emotional condition of the spouse seeking maintenance

8

Ability of the paying spouse to meet their own needs while paying maintenance

9

Conduct of the parties during the marriage

10

Any other relevant factors the court deems just and equitable

How Long Does Alimony Last?

While there is no universal rule, alimony duration in Missouri generally correlates with the length of the marriage:

Marriage LengthTypical Alimony Duration
Under 5 years0-2 years
5-10 years2-5 years
10-20 years5-10 years
20+ yearsIndefinite / Permanent

These are general guidelines. Actual duration depends on the specific facts of your case and the court's discretion.

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When Does Alimony End?

Specified end date: The date set in the alimony order or agreement
Recipient remarries: Alimony typically terminates automatically upon remarriage
Recipient cohabits: Living with a new partner may be grounds for reduction or termination
Paying spouse retires: Retirement (at a reasonable age) may be a basis for modification
Death of either party: Alimony obligations generally end upon the death of either spouse
Recipient becomes self-supporting: If the recipient achieves financial independence before the end date
Court modification: Either party can petition the court for modification based on changed circumstances

Tax Implications of Alimony

Post-2018 Federal Tax Rules

For divorces finalized after December 31, 2018, the Tax Cuts and Jobs Act changed the tax treatment of alimony:

For the Payer

Alimony payments are not deductible from federal taxes.

For the Recipient

Alimony payments are not taxable income for federal taxes.

State tax treatment may differ. Consult a tax professional for advice specific to your situation.

Frequently Asked Questions

How is alimony calculated in Missouri?
Missouri does not have a strict formula for calculating alimony. Instead, the court considers multiple factors including the length of the marriage, each spouse's income and earning capacity, standard of living during the marriage, and each spouse's financial needs.
What types of alimony are available in Missouri?
Missouri offers several types of alimony: Temporary Maintenance, Rehabilitative Maintenance, Bridge Maintenance, Durational Maintenance, Permanent Maintenance. The type awarded depends on the circumstances of your marriage and divorce.
How long does alimony last in Missouri?
Alimony duration in Missouri depends on the type awarded and the length of the marriage. Rehabilitative alimony may last 1-5 years, while permanent alimony can continue indefinitely. As a general rule, shorter marriages receive shorter alimony periods. Alimony typically ends upon the recipient's remarriage or either party's death.
Can alimony be modified in Missouri?
In most cases, yes. Alimony can be modified when there is a substantial change in circumstances, such as a significant change in either party's income, the recipient's remarriage or cohabitation, or a change in health. Lump-sum alimony generally cannot be modified.
Is alimony taxable in Missouri?
For divorces finalized after December 31, 2018, alimony payments are no longer deductible by the payer or taxable income for the recipient under federal law (per the Tax Cuts and Jobs Act). State tax treatment may vary. Consult a tax professional for your specific situation.

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