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How to use Arizona State Tax Calculator
- Enter income and pay frequency: Provide your salary or hourly wage plus hours and select weekly, bi‑weekly, semi‑monthly, or monthly so the calculator matches your paycheck.
- Select filing status and deductions: Choose Single, Married Filing Jointly, or another filing status, then add pre‑tax deductions like retirement contributions and health insurance.
- Confirm Arizona residency: Indicate that you are taxed in Arizona so the tool applies the 2.5% flat state rate and any state‑specific adjustments that affect taxable income.
- Review taxes and net pay: The results show Arizona state tax, federal income tax, Social Security, Medicare, and your final take‑home pay per paycheck and per year.
About Arizona State Tax Calculator
What the Arizona State Tax Calculator does
The Arizona State Tax Calculator estimates how much Arizona state income tax, federal income tax, and FICA are taken from your earnings.
It uses Arizona’s 2.5% flat state income tax rate, federal tax brackets, and Social Security and Medicare rates to show your annual liability and net paycheck.
Arizona income tax basics
Arizona uses a flat individual income tax rate of 2.5% on Arizona taxable income for all filing statuses.
Arizona starts from federal adjusted gross income (AGI), then applies specific additions and subtractions plus a state standard deduction to arrive at taxable income.
- Lowest flat rate among income‑tax states: Arizona’s 2.5% rate is currently the lowest flat income tax rate of any U.S. state that taxes income.
- Standard deduction: Arizona allows a state standard deduction (similar in structure to the federal one), which reduces taxable income before the 2.5% rate is applied.
- No local wage income tax: Cities in Arizona generally do not levy local income tax on wages, so most residents face only the statewide 2.5% rate plus federal taxes.
How the Arizona State Tax Calculator works
- Step 1 – Compute Arizona taxable income: The calculator starts from your gross income, subtracts pre‑tax benefits, approximates federal AGI, and then applies Arizona’s adjustments and standard deduction to get taxable income.
- Step 2 – Apply the 2.5% flat rate: It multiplies Arizona taxable income by 2.5% to determine state income tax for the year, since there are no progressive brackets.
- Step 3 – Calculate federal and FICA taxes: Using federal tax tables and current Social Security and Medicare rates, the tool estimates federal withholding and payroll taxes.
- Step 4 – Break down by paycheck: Annual totals are divided by your chosen pay frequency so you can see gross pay, each tax line, and net pay per paycheck.
Outputs you will see
- Arizona state income tax: Annual and per‑paycheck state tax at the 2.5% flat rate after the state standard deduction.
- Federal tax and FICA: Estimated federal income tax, Social Security, and Medicare contributions for the same income and filing status.
- Net paycheck and effective tax rate: Take‑home pay per paycheck and per year, plus effective Arizona and total tax rates as a percentage of income.
Who should use the Arizona State Tax Calculator
- Employees working in Arizona: Workers can verify paycheck withholding and see how Arizona’s low flat rate affects their net income.
- People considering moving to Arizona: Prospective residents can compare Arizona’s 2.5% flat tax and relatively low property taxes with higher‑tax states.
- Remote workers and employers: Remote staff and Arizona employers can model payroll costs, W‑2 withholding, and net pay for different salaries and pay schedules.