AlimonyCalcByState
⛵ MO Pre-Filled
Missouri Maintenance Calculator 2026
Estimate spousal support payments in Missouri based on both incomes and marriage length. Missouri laws are already loaded.
Maintenance
Term Used in MO
Judge’s Discretion
Calculation Type
Rare
Permanent Available
No-Fault
Fault Considered
Estimate Only: This calculator provides a general estimate. Missouri maintenance is determined by a judge based on multiple factors. Consult a family law attorney for advice specific to your situation.
⚖️ Missouri Maintenance Calculator
Missouri Maintenance Estimator
Enter both spouses’ monthly gross incomes and marriage length — Missouri’s approach is pre-loaded.
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$
Est. Monthly Maintenance
$0
Per month estimate
Est. Annual Amount
$0
Per year estimate
Est. Duration
—
Based on Missouri norms
Est. Total Paid
$0
Over full duration
⚠️ Remember: This is an estimate only. Missouri judges consider many factors beyond income alone — including each spouse’s earning capacity, age, health, standard of living, and contributions to the marriage. Always consult a Missouri family law attorney.
Missouri Maintenance Facts
Official Term
Maintenance
Calculation Method
Judge’s Discretion
Typical Amount
20–30%
Duration Rule
Judge’s discretion — often rehabilitative
Permanent Available?
Rare — exceptional cases only
Fault Considered?
No — no-fault state
Key Law Note
Missouri courts do not consider marital misconduct when calculating maintenance.
What to Know About Missouri Maintenance
- →Missouri law focuses on whether the requesting spouse can meet their reasonable needs through property or employment.
- →Missouri rarely awards long-term maintenance — the focus is on helping spouses become self-sufficient.
- →Missouri’s courts have full discretion in maintenance decisions — two similar cases can result in very different outcomes depending on the judge.
Frequently Asked Questions
How is maintenance calculated in Missouri?
Missouri does not use a fixed formula for maintenance. Judges have full discretion and typically consider the income difference (often 20–30%), the standard of living during marriage, and each spouse’s future earning capacity.
How long does maintenance last in Missouri?
Missouri maintenance duration: Judge’s discretion — often rehabilitative. Permanent maintenance is rare in Missouri and typically only awarded in exceptional circumstances such as disability.
Does fault affect maintenance in Missouri?
Missouri is a no-fault state for maintenance purposes. Marital misconduct such as adultery does not affect whether support is awarded or the amount.