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Missouri Tax Calculator

The Missouri (MO) Tax Calculator is updated for the 2026/27 tax year. It estimates Missouri state income tax, federal income tax, and FICA/Medicare contributions to help you determine your take-home pay. Missouri applies a graduated state income tax with rates based on income levels, plus a standard deduction aligned with federal rules.

This calculator also helps residents account for credits like the Property Tax Credit and Credit for Taxes Paid to Other States, along with retirement income exemptions and standard allowances for dependents.

Quick Access Tools

Quick Missouri Tax Calculator

Enter income and filing status, then select Calculate to estimate your Missouri and federal tax. Use tabs for dependents, deductions, and credits such as property or retirement benefits. Missouri does not impose local income taxes, simplifying the process.

Input key: F Used in Federal tax calculations S Used in State tax calculations

Quick Tax Calculation Detailed Tax Calculation
Filing Information Quick Inputs Income Details Deductions & Adjustments State Options IRA, Pensions & Annuities Withholdings

Filing Information

Set your filing status, dependants and personal details so the calculator can apply the correct Federal and State rules.

Quick Inputs

Provide a summary of your income and deductions to calculate your Federal and State tax position quickly.

Income Details

Enter the specific types of income that contribute to your Federal Adjusted Gross Income.

For Schedule B

Deductions & Adjustments

Deductions & Adjustments

Include any adjustments to income that reduce your Federal/State Adjusted Gross Income.

State Options

Some states apply local income taxes in addition to State tax. Enter your local rate if it applies.

IRA, Pensions & Annuities

Enter the details for your retirement contributions and income sources, which are used to compute values on **Form 8606**. This includes contributions to traditional IRAs, 529 savings plans, and rollovers, as well as income from rental properties, farms, unemployment, and other sources. Additionally, provide information on any disaster-related distributions or IRA rollovers you’ve made, and enter your capital gain distributions if applicable. These inputs are essential for accurately calculating your total retirement-related income and determining your tax liabilities or benefits, specifically regarding IRA deductions and distributions as outlined in **Form 8606**.

Withholdings

Enter withheld amounts to calculate refund or balance due.

How to Calculate Income Tax in Missouri for 2026/27

  1. Enter your total annual income and choose your filing status.
  2. Include dependents, deductions, and credits as needed.
  3. Click Calculate to view estimated Missouri and federal taxes, including Medicare and FICA contributions.

Advanced Options

  • Adjust itemized or standard deductions to fit your filing choice.
  • Include credits for taxes paid to other states to prevent double taxation.
  • Add dependents and apply family-related credits.
  • Model retirement income exemptions or property tax credits for qualifying residents.
  • Estimate federal and state withholdings to calculate refunds or balances due.

Related Calculators

Additional Resources

Frequently Asked Questions

Quick answers for Missouri taxpayers covering deductions, credits, and filing for both residents and nonresidents.

Does Missouri provide a deduction for 401(k) or IRA contributions?

Yes—traditional 401(k) and IRA contributions reduce Missouri taxable income.

Does Missouri allow standard or itemized deductions?

You can choose either, depending on which provides a larger benefit.

Does Missouri have an Alternative Minimum Tax?

No—Missouri repealed its state AMT.

Does Missouri have a married filing separate option?

Yes—Missouri follows federal filing status rules.

Can I claim credits for dependent care?

Yes—Missouri allows a credit equal to a portion of the federal Child and Dependent Care Credit.

Important Notes

All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.