Maryland state tax calculator

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

Popular Maryland tools

How to estimate Maryland taxes

  • Start with the Maryland 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 Maryland tools