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.
Where can I read more about Arizona credits?
See the state notes on this page and the official links inside the calculator.
Can I claim the credit if I moved during the year?
Yes. Taxpayers who moved to a different home during the year may still qualify if both residences were located in Arizona and the taxpayer meets the residency and income requirements. Rent and property taxes should be prorated by location based on actual amounts paid while living in each home. Moving across state lines during the tax year generally disqualifies the taxpayer unless they still meet the minimum residency duration for Arizona credit eligibility.
Does Form 300 calculate any credit amounts?
No. Form 300 does not perform any calculations by itself. All credit computation occurs on the underlying schedules (Form 321, 322, 323, 309, 348, etc.). Form 300 simply receives the final results and applies them to the taxpayer’s Arizona tax liability according to ordering rules established by statute. Because the form does not compute credit amounts, the calculator for Form 300 displays a reference layout only, allowing taxpayers to understand where credits will flow when using the automated main calculators on the website. More explanation is provided on the Form 300 information page.
Does Arizona require documentation for Schedule A(NR)?
Taxpayers must retain documentation for all deductions claimed, including receipts, mortgage statements, medical invoices and charitable donation records. Arizona does not require these documents to be attached unless specifically requested, but they must be kept for audit purposes. Nonresidents should ensure that federal itemized deduction records match the amounts transcribed on Schedule A(NR). Guidance on documentation expectations is referenced on the 140NR calculator page at Arizona Form 140NR.
Can taxpayers claim both QCO (Form 321) and QFCO (Form 348) credits?
Yes. The QCO and QFCO credits operate independently. Contributions to one credit category do not reduce the allowable limit for the other. Many Arizona residents contribute to both to support organizations across the charitable spectrum. Examples of maximizing both credits are illustrated on the QFCO calculator page.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.