Arizona Tax Calculator
The Arizona (AZ) Tax Calculator is updated for the 2026/27 tax year. It estimates Arizona state income tax, federal tax, and FICA/Medicare deductions, helping you calculate take-home pay and refund estimates. Arizona applies a flat income tax rate, making your results simple and predictable compared to progressive systems.
The calculator accounts for both state-specific credits and standard federal adjustments, offering an accurate forecast of your total tax liability and take-home income.
Quick Access Tools
Quick Arizona Tax Calculator
Enter income and filing status, then click Calculate to get instant results. Use the advanced tabs to include itemized deductions, dependents, 401(k) contributions, and state-specific tax credits like the Arizona Family Tax Credit or School Tuition Organization (STO) contributions.
Input key: F Used in Federal tax calculations S Used in State tax calculations
How to Calculate Income Tax in Arizona for 2026/27
- Enter your gross annual income and any pre-tax deductions.
- Select your filing status (Single, Married, Head of Household, etc.).
- Click Calculate to estimate state, federal, and FICA liabilities, along with your net take-home pay.
Advanced Options
- Model Arizona-specific deductions and credits such as charitable or school contributions.
- Toggle itemized vs. standard deductions to optimize your return.
- Add IRA/401(k) contributions and dependents for precise calculations.
- Include federal and state withholdings to forecast refund or balance due.
Related Calculators
Common Arizona Forms & Schedules
Explore the most commonly used Arizona (AZ) Department of Revenue income tax forms, including core returns such as Form 140 (Resident Return), Form 140NR (Nonresident Return), Form 140PY (Part-Year Resident Return), and simplified options like Form 140A and Form 140EZ. Supporting schedules—such as Schedule A for deductions and the full range of Arizona credit forms—are also available to help taxpayers calculate exemptions, credits, and adjustments accurately.
- Arizona Form AZ 131 Arizona Form 131 – Claim for Refund on Behalf of Deceased Taxpayer
- Arizona Form AZ 140 Arizona Form 140 – Resident Personal Income Tax Return
- Arizona Form AZ 140 Schedule A Arizona Form 140 Schedule A – Itemized Deduction Adjustments
- Arizona Form AZ 140A Arizona Form 140A – Resident Personal Income Tax (Short Form)
- Arizona Form AZ 140EZ Arizona Form 140EZ – Resident Personal Income Tax (EZ Form)
- Arizona Form AZ 140NR Arizona Form 140NR – Nonresident Personal Income Tax Return
Additional Resources
Frequently Asked Questions
Quick answers for Arizona filers: learn about flat income tax rates, popular deductions, credits, and filing forms.
What is Arizona Form 140EZ and who is eligible to file it?
Arizona Form 140EZ is the simplest of all Arizona resident income tax returns. It is specifically designed for full-year residents with very basic tax situations—typically wage earners or retirees whose income and deductions require no adjustments or additional schedules. Form 140EZ supports only a limited range of income types and does not allow itemized deductions, business income, capital gains adjustments, Arizona additions, or complex credits. Taxpayers eligible for Form 140EZ must meet strict criteria, including filing as Single or Married Filing Jointly, having only basic income sources, and claiming the standard deduction. It is ideal for those who want a quick and streamlined method to file their Arizona taxes without navigating the complexity of longer forms.
How do credits interact with amended returns filed using Form 140X?
Credits must be recalculated as if the return were being filed for the first time. If the amendment increases income or changes filing status, previously claimed credits may decrease. If the amendment adds a missed credit—such as those calculated on Forms 321, 322, 323 or 348—taxpayers should attach the full credit form to the amended return. Unused credits with carryforward provisions may need adjustment across multiple years.
Can Form 131 be used when amending a deceased taxpayer’s prior-year return?
Yes. If a deceased taxpayer is owed money from an amended return—such as correcting income, claiming a missed credit or adjusting withholding—the claimant must resubmit Form 131 with the amended return. The Arizona Department of Revenue requires the form each time a refund is issued, even if one was previously accepted for another year. Guidance on pairing Form 131 with amended returns can be reviewed alongside the amended return calculator at Arizona Form 140X.
Does Form 140EZ allow itemized deductions or only the standard deduction?
Form 140EZ only permits the standard deduction. Itemized deductions—including mortgage interest, medical expenses, property taxes, charitable contributions, and other Schedule A items—cannot be claimed on this form. The Form 140EZ standard deduction is predefined based on filing status and does not allow for additional increases such as charitable deduction boosts available on other forms. Taxpayers who wish to itemize must instead file Form 140.
What are the annual credit limits for QFCO contributions?
Arizona sets distinct limits for Single/HOH/MFS filers and for Married Filing Jointly. Taxpayers may claim only up to the allowable limit. Any contributions above that limit cannot be refunded but may be carried forward for up to five years. These limits are separate from those used for QCO contributions (Form 321), meaning taxpayers can claim both credits in the same tax year.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.