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Arizona · Tax year 2026

Arizona 1099 Tax Calculator

Estimate your 2026 Arizona freelancer taxes: federal self-employment tax, federal income tax, and Arizona's flat 2.5% income tax — the lowest of any income-taxing state.

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Self-employment income after business expenses.

Sets your federal brackets & standard deduction.

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A W-2 job or spouse's income — taxes 1099 income at higher brackets.

Arizona's 2.5% flat rate is the lowest in the nation among states that tax income — a real perk for freelancers. State figure is an estimate — see our methodology.

Arizona 1099 taxes

Arizona applies a flat 2.5% income tax to net self-employment income — the lowest top rate of any income-taxing state. Combined with federal self-employment tax (see our self-employment tax calculator) and federal income tax, Arizona freelancers keep more than those in most states.

Quarterly estimated taxes in Arizona

Arizona expects estimated payments if your state tax liability will exceed $1,000. File alongside your federal estimates. See how much to set aside for 1099 taxes.

Frequently asked questions

What is Arizona's income tax rate?

Arizona has a flat 2.5% individual income tax — the lowest top rate among all states that tax income.

How much should Arizona freelancers set aside?

Often around 22–27% of net profit, since the state's 2.5% flat rate adds relatively little on top of federal self-employment and income tax.

Do Arizona freelancers pay quarterly estimates?

Yes, if your Arizona tax will exceed $1,000, paid alongside federal estimates to the IRS.

Other state calculators

Compare your tax in other states — your federal bill stays the same, but state tax varies widely:

Estimates based on 2026 federal and Arizona figures; state tax estimate excludes state-specific deductions and credits. Not tax advice — confirm with the IRS, your state tax agency, or a professional. See our disclaimer.