What should my Arizona estimated tax payments be for 2025?

Estimate Arizona quarterly payments for 2025 or 2026 by entering expected Arizona taxable income and planned withholding. The tool applies Arizona income tax rates to estimate total tax and divides the remaining balance into quarterly payments.

No login required.

How this calculation works

  • Estimates total Arizona tax based on taxable income and filing status.
  • Subtracts planned withholding to find the remaining balance.
  • Splits the balance into four quarterly payment targets.

Common mistakes and caveats

  • Safe harbor rules and penalties are not fully modeled.
  • Seasonal income can change ideal payment timing.
  • Local taxes are not included.

FAQ

Do I still need estimated payments if I have withholding?

Possibly. The calculator nets out withholding before suggesting quarterly payments.

Last updated & sources

Last updated January 27, 2026.

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TaxGuide Pro provides free state and federal tax calculators for individuals, freelancers, and small businesses.

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