Missouri state tax calculator

Use this Missouri state tax calculator hub to estimate income tax, check refund timelines, and plan withholding based on Missouri-specific rules. These tools cover common questions people search for in Missouri, including state income tax estimates, quarterly payments, and deductions. Start with the core calculator below, then explore related Missouri tools to refine your estimate and avoid surprises at filing time.

Popular Missouri tools

How to estimate Missouri taxes

  • Start with the Missouri income tax calculator to estimate your base liability.
  • Add withholding and estimated payments to see if you expect a refund or balance due.
  • Use deductions and credits tools to refine the estimate and reduce tax.
View all Missouri tools