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Missouri Child Support Calculator
Missouri child support uses Income Shares. Duration age 18 or HS to 21. Shared custody threshold 34% time.
Child Support Calculator
Estimate child support payments based on income, custody, and expenses. This tool uses the Income Shares Model common in most states.
Children
Parent 1
Parent 2
Healthcare & Childcare Costs
Additional Expenses
No additional expenses added. Click "Add Expense" to include education, extracurricular, or other costs.
Estimated Child Support Payment
Detailed Breakdown
Parent 1
Parent 2
Important: This calculator provides estimates using a simplified Income Shares Model for educational purposes only. Actual child support calculations vary significantly by state (Missouri) and individual circumstances. Courts consider many factors including deviations, caps, and state-specific guidelines. Consult with a family law attorney in Missouri for accurate calculations specific to your situation.
Missouri Child Support Guidelines
Missouri child support calculated using Income Shares Model. Both parents income considered to determine fair support amount ensuring child needs met.
How Missouri Calculates Child Support
Income Calculation: Gross income from all sources including wages bonuses self-employment rental income unemployment disability. Excludes means-tested benefits like SSI TANF food stamps child support received.
Base Obligation: Combine incomes look up base amount on state schedule based on combined income and number of children. Amount prorated between parents based on income percentage.
Additional Costs: Add health insurance premiums covering child, work-related childcare costs, extraordinary medical expenses. Prorate by income share.
Custody Adjustment: Shared parenting time may reduce obligation accounting for direct expenses during custody. Threshold varies by state.
Duration of Support
Missouri child support continues until termination conditions met: child reaches age specified in order typically 18 or 19, child graduates high school, child emancipated through marriage military or self-support, child adopted, parent or child dies, court modifies or terminates.
Modification
Can modify with substantial change in circumstances: either parent income changes significantly typically 10-15 percent, change in custody or parenting time, change in health insurance or childcare costs, child needs change, other relevant changes. File motion with court demonstrating change.
Enforcement
Missouri enforces through: automatic income withholding from paycheck, tax refund interception federal and state, license suspension driver professional recreational, credit bureau reporting damaging credit score, contempt of court with jail time possible, property liens and bank levies, passport denial for arrears over 2500 dollars.
Self-Employment Income
Self-employed parent income calculated as gross receipts minus ordinary necessary business expenses. Courts scrutinize deductions prevent income manipulation. Personal expenses claimed as business added back. Depreciation often added back as non-cash expense.
Imputed Income
Court can impute income if parent voluntarily unemployed or underemployed without good cause. Based on work history education training, local job market available positions, physical mental ability to work. Good cause includes caring for very young child, verified disability, approved education increasing earning capacity.
Tax Treatment
Child support NOT tax-deductible for payor and NOT taxable for recipient. Paying support does not automatically grant right to claim child as dependent. Custody order or IRS tiebreaker rules determine dependent exemption.
Cost Information
Free Calculator: Missouri child support calculator instant estimates. Administrative: Through state agency minimal or no cost. With Divorce: Uncontested 1500-3500 dollars. Contested 5000-15000 dollars plus. Modification: Agreed 500-1500. Contested 2000-8000. Filing Fees: Vary by county typically 150-400 dollars.
Frequently Asked Questions
Q: How is Missouri child support calculated? A: Income Shares Model. Combined parental income determines base from schedule. Amount prorated by income percentage. Add health insurance childcare extraordinary costs.
Q: What income counts? A: All gross income wages bonuses commissions self-employment rental income unemployment disability retirement pensions. Excludes SSI TANF food stamps child support received.
Q: How long does child support last? A: Typically until age 18 or high school graduation whichever later. Some states extend to 19 or 21. Ends earlier if child emancipated.
Q: Can I modify child support? A: Yes with substantial change in circumstances. Income change 10-15 percent plus, custody change, childcare or insurance cost change. File motion with court.
Q: What if custodial parent remarries? A: Remarriage does NOT affect child support. New spouse income not considered. Support continues until termination conditions met.
Q: Is child support taxable? A: No. Not tax-deductible for payor not taxable for recipient. Different from spousal support.
Q: What if payor does not pay? A: State enforcement: income withholding tax intercept license suspension credit reporting contempt jail time passport denial liens.
Q: Does shared custody reduce support? A: Often yes if meets state threshold typically 25-40 percent parenting time. Accounts for expenses during custody. Specific calculation varies.
Q: What about self-employment? A: Gross receipts minus ordinary business expenses. Courts scrutinize deductions prevent manipulation. Personal expenses added back.
Q: Can court impute income? A: Yes if voluntarily unemployed or underemployed without good cause. Based on earning capacity work history education job market.
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COURT FILING FEE
SUMMONS
AFFIDAVIT
MOTIONS
ARGUMENTS
TEMPORARY ORDERS
HEARINGS
SUBPOENAS
DEPOSITIONS
SETTLEMENT
CONFERENCES
JUDGEMENT
TRIAL
APPEALS
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Written By:
Divorce.com Staff
Missouri Child Support Calculator
Missouri child support uses Income Shares. Duration age 18 or HS to 21. Shared custody threshold 34% time.
Child Support Calculator
Estimate child support payments based on income, custody, and expenses. This tool uses the Income Shares Model common in most states.
Children
Parent 1
Parent 2
Healthcare & Childcare Costs
Additional Expenses
No additional expenses added. Click "Add Expense" to include education, extracurricular, or other costs.
Estimated Child Support Payment
Detailed Breakdown
Parent 1
Parent 2
Important: This calculator provides estimates using a simplified Income Shares Model for educational purposes only. Actual child support calculations vary significantly by state (Missouri) and individual circumstances. Courts consider many factors including deviations, caps, and state-specific guidelines. Consult with a family law attorney in Missouri for accurate calculations specific to your situation.
Missouri Child Support Guidelines
Missouri child support calculated using Income Shares Model. Both parents income considered to determine fair support amount ensuring child needs met.
How Missouri Calculates Child Support
Income Calculation: Gross income from all sources including wages bonuses self-employment rental income unemployment disability. Excludes means-tested benefits like SSI TANF food stamps child support received.
Base Obligation: Combine incomes look up base amount on state schedule based on combined income and number of children. Amount prorated between parents based on income percentage.
Additional Costs: Add health insurance premiums covering child, work-related childcare costs, extraordinary medical expenses. Prorate by income share.
Custody Adjustment: Shared parenting time may reduce obligation accounting for direct expenses during custody. Threshold varies by state.
Duration of Support
Missouri child support continues until termination conditions met: child reaches age specified in order typically 18 or 19, child graduates high school, child emancipated through marriage military or self-support, child adopted, parent or child dies, court modifies or terminates.
Modification
Can modify with substantial change in circumstances: either parent income changes significantly typically 10-15 percent, change in custody or parenting time, change in health insurance or childcare costs, child needs change, other relevant changes. File motion with court demonstrating change.
Enforcement
Missouri enforces through: automatic income withholding from paycheck, tax refund interception federal and state, license suspension driver professional recreational, credit bureau reporting damaging credit score, contempt of court with jail time possible, property liens and bank levies, passport denial for arrears over 2500 dollars.
Self-Employment Income
Self-employed parent income calculated as gross receipts minus ordinary necessary business expenses. Courts scrutinize deductions prevent income manipulation. Personal expenses claimed as business added back. Depreciation often added back as non-cash expense.
Imputed Income
Court can impute income if parent voluntarily unemployed or underemployed without good cause. Based on work history education training, local job market available positions, physical mental ability to work. Good cause includes caring for very young child, verified disability, approved education increasing earning capacity.
Tax Treatment
Child support NOT tax-deductible for payor and NOT taxable for recipient. Paying support does not automatically grant right to claim child as dependent. Custody order or IRS tiebreaker rules determine dependent exemption.
Cost Information
Free Calculator: Missouri child support calculator instant estimates. Administrative: Through state agency minimal or no cost. With Divorce: Uncontested 1500-3500 dollars. Contested 5000-15000 dollars plus. Modification: Agreed 500-1500. Contested 2000-8000. Filing Fees: Vary by county typically 150-400 dollars.
Frequently Asked Questions
Q: How is Missouri child support calculated? A: Income Shares Model. Combined parental income determines base from schedule. Amount prorated by income percentage. Add health insurance childcare extraordinary costs.
Q: What income counts? A: All gross income wages bonuses commissions self-employment rental income unemployment disability retirement pensions. Excludes SSI TANF food stamps child support received.
Q: How long does child support last? A: Typically until age 18 or high school graduation whichever later. Some states extend to 19 or 21. Ends earlier if child emancipated.
Q: Can I modify child support? A: Yes with substantial change in circumstances. Income change 10-15 percent plus, custody change, childcare or insurance cost change. File motion with court.
Q: What if custodial parent remarries? A: Remarriage does NOT affect child support. New spouse income not considered. Support continues until termination conditions met.
Q: Is child support taxable? A: No. Not tax-deductible for payor not taxable for recipient. Different from spousal support.
Q: What if payor does not pay? A: State enforcement: income withholding tax intercept license suspension credit reporting contempt jail time passport denial liens.
Q: Does shared custody reduce support? A: Often yes if meets state threshold typically 25-40 percent parenting time. Accounts for expenses during custody. Specific calculation varies.
Q: What about self-employment? A: Gross receipts minus ordinary business expenses. Courts scrutinize deductions prevent manipulation. Personal expenses added back.
Q: Can court impute income? A: Yes if voluntarily unemployed or underemployed without good cause. Based on earning capacity work history education job market.
RETAINER FEE
PETITION
COURT FILING FEE
SUMMONS
AFFIDAVIT
MOTIONS
ARGUMENTS
TEMPORARY ORDERS
HEARINGS
SUBPOENAS
DEPOSITIONS
SETTLEMENT
CONFERENCES
JUDGEMENT
TRIAL
APPEALS
RETAINER FEE
PETITION
COURT FILING FEE
SUMMONS
AFFIDAVIT
MOTIONS
ARGUMENTS
TEMPORARY ORDERS
HEARINGS
SUBPOENAS
DEPOSITIONS
SETTLEMENT
CONFERENCES
JUDGEMENT
TRIAL
APPEALS
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Divorce Lawyers in Kansas City, MO | Compare Attorneys | Updated 2026
Divorce Lawyers in Springfield, MO - Free Consultations
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Webster County Divorce Guide: Marshfield, Missouri Filing
Wright County Divorce Guide: Hartville, Missouri Filing
Pemiscot County Divorce Guide: Caruthersville, Missouri Filing
Perry County Divorce Guide: Perryville, Missouri Filing
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Polk County Divorce Guide: Bolivar, Missouri Filing
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St Charles County Divorce Guide: St. Charles, Missouri Filing
St Clair County Divorce Guide: Osceola, Missouri Filing
St Francois County Divorce Guide: Farmington, Missouri Filing
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Ste Genevieve County Divorce Guide: Ste. Genevieve, Missouri Filing
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Laclede County Divorce Guide: Lebanon, Missouri Filing
Lafayette County Divorce Guide: Lexington, Missouri Filing
Lawrence County Divorce Guide: Mt. Vernon, Missouri Filing
Linn County Divorce Guide: Linneus, Missouri Filing
Livingston County Divorce Guide: Chillicothe, Missouri Filing
Macon County Divorce Guide: Macon, Missouri Filing
Maries County Divorce Guide: Vienna, Missouri Filing
Marion County Divorce Guide: Palmyra, Missouri Filing
McDonald County Divorce Guide: Pineville, Missouri Filing
Miller County Divorce Guide: Tuscumbia, Missouri Filing
Monroe County Divorce Guide: Paris, Missouri Filing
Morgan County Divorce Guide: Versailles, Missouri Filing
New Madrid County Divorce Guide: New Madrid, Missouri Filing
Newton County Divorce Guide: Neosho, Missouri Filing
Nodaway County Divorce Guide: Maryville, Missouri Filing
Oregon County Divorce Guide: Alton, Missouri Filing
Osage County Divorce Guide: Linn, Missouri Filing
Ozark County Divorce Guide: Gainesville, Missouri Filing
Christian County Divorce Guide: Ozark, Missouri Filing
Clay County Divorce Guide: Liberty, Missouri Filing
Clinton County Divorce Guide: Plattsburg, Missouri Filing
Cole County Divorce Guide: Jefferson City, Missouri Filing
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DeKalb County Divorce Guide: Maysville, Missouri Filing
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Douglas County Divorce Guide: Ava, Missouri Filing
Dunklin County Divorce Guide: Kennett, Missouri Filing
Franklin County Divorce Guide: Union, Missouri Filing
Gasconade County Divorce Guide: Hermann, Missouri Filing
Gentry County Divorce Guide: Albany, Missouri Filing
Greene County Divorce Guide: Springfield, Missouri Filing
Henry County Divorce Guide: Clinton, Missouri Filing
Hickory County Divorce Guide: Hermitage, Missouri Filing
Holt County Divorce Guide: Oregon, Missouri Filing
Howard County Divorce Guide: Fayette, Missouri Filing
Howell County Divorce Guide: W Plains, Missouri Filing
Jackson County Divorce Guide: Kansas City, Missouri Filing
Jasper County Divorce Guide: Carthage, Missouri Filing
Jefferson County Divorce Guide: Hillsboro, Missouri Filing
Adair County Divorce Guide: Kirksville, Missouri Filing
Andrew County Divorce Guide: Joseph, Missouri Filing
Audrain County Divorce Guide: Mexico, Missouri Filing
Barry County Divorce Guide: Cassville, Missouri Filing
Benton County Divorce Guide: Warsaw, Missouri Filing
Bollinger County Divorce Guide: Marble Hill, Missouri Filing
Boone County Divorce Guide: Columbia, Missouri Filing
Buchanan County Divorce Guide: Joseph, Missouri Filing
Butler County Divorce Guide: Poplar Bluff, Missouri Filing
Caldwell County Divorce Guide: Kingston, Missouri Filing
Callaway County Divorce Guide: Fulton, Missouri Filing
Camden County Divorce Guide: Camdenton, Missouri Filing
Cape Girardeau County Divorce Guide: Cape Girardeau, Missouri Filing
Cass County Divorce Guide: Harrisonville, Missouri Filing
Cedar County Divorce Guide: Stockton, Missouri Filing
Lincoln County Divorce Guide: Troy, Missouri Filing
Schuyler County Divorce Guide: Lancaster, Missouri Filing
Scotland County Divorce Guide: Memphis, Missouri Filing
Shelby County Divorce Guide: Shelbyville, Missouri Filing
Sullivan County Divorce Guide: Milan, Missouri Filing
Wayne County Divorce Guide: Greenville, Missouri Filing
Worth County Divorce Guide: Grant City, Missouri Filing
Moniteau County Divorce Guide: California, Missouri Filing
Montgomery County Divorce Guide: Montgomery City, Missouri Filing
Putnam County Divorce Guide: Unionville, Missouri Filing
Iron County Divorce Guide: Ironton, Missouri Filing
Knox County Divorce Guide: Edina, Missouri Filing
Lewis County Divorce Guide: Monticello, Missouri Filing
Madison County Divorce Guide: Fredericktown, Missouri Filing
Mercer County Divorce Guide: Princeton, Missouri Filing
Mississippi County Divorce Guide: Charleston, Missouri Filing
Chariton County Divorce Guide: Keytesville, Missouri Filing
Clark County Divorce Guide: Kahoka, Missouri Filing
Cooper County Divorce Guide: Boonville, Missouri Filing
Daviess County Divorce Guide: Gallatin, Missouri Filing
Grundy County Divorce Guide: Trenton, Missouri Filing
Harrison County Divorce Guide: Bethany, Missouri Filing
Atchison County Divorce Guide: Rock Port, Missouri Filing
Barton County Divorce Guide: Lamar, Missouri Filing
Bates County Divorce Guide: Butler, Missouri Filing
Carroll County Divorce Guide: Carrollton, Missouri Filing
Carter County Divorce Guide: Van Buren, Missouri Filing
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