How much Arizona income tax will I owe for 2025?

Estimate Arizona income tax for 2025 or 2026 by entering Arizona taxable income, filing status, and residency allocation. The calculator applies Arizona income tax rates to estimate tax due and effective rate, helping you compare your expected liability before you file.

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How this calculation works

  • Uses Arizona taxable income and filing status to estimate state tax.
  • Applies current Arizona rates for the selected year.
  • Calculates estimated tax due and effective rate.

Common mistakes and caveats

  • Part-year and nonresident filers should prorate Arizona-source income.
  • Credits and special deductions can change the final result.
  • Local taxes are not included.

FAQ

Should I enter Arizona taxable income or total income?

Use Arizona taxable income from your return. If you only know total income, estimate deductions first.

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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