๐ State Income Tax Calculator 2026
Calculate your 2026 state income tax for any of the 50 states. Enter your income, filing status, and deductions to see your tax liability, effective tax rate, and after-tax income. Updated for 2026 tax rates and brackets.
What Is the 2026 State Income Tax Calculator?
The 2026 State Income Tax Calculator helps you estimate your state income tax liability based on your income, filing status, and state of residence. It uses the latest tax rates and brackets for all 50 states for the 2026 tax year.
This calculator includes:
- All 50 States + DC , including the 9 states with no income tax.
- Latest 2026 Rates , updated for flat-tax and graduated tax structures.
- Standard Deductions , applied based on filing status.
- Progressive Tax Calculation , marginal rates applied to each bracket.
How Does the State Income Tax Calculator Work?
The calculator follows these steps:
- Select your state , the calculator loads that state's tax rates, brackets, and standard deduction.
- Enter your income , gross income before deductions.
- Choose your filing status , Single, Married Filing Jointly, or Head of Household.
- Apply the standard deduction , subtracted from your income to determine taxable income.
- Calculate tax , marginal rates are applied to each bracket of taxable income.
- Show results , total tax liability, effective rate, after-tax income, and a full breakdown.
Why Use This State Income Tax Calculator?
- All 50 States: Compare tax liability across different states instantly.
- 2026 Rates: Updated with the latest tax changes, including new flat taxes in several states.
- Full Breakdown: See exactly how your tax is calculated, bracket by bracket.
- Visual Charts: Understand your income breakdown at a glance.
- Free & Private: No registration, no data storage , all calculations run in your browser.
โ State Income Tax Calculator 2026 FAQ
Which states have no income tax in 2026?
The nine states with no individual income tax in 2026 are Alaska, Florida, Nevada, New Hampshire, South Dakota, Tennessee, Texas, Washington, and Wyoming.
Which states have flat income taxes in 2026?
Fifteen states use a flat income tax in 2026, including Arizona (2.5%), Colorado (4.4%), Georgia (5.49%), Illinois (4.95%), Indiana (2.95%), Iowa (3.8%), Kentucky (4.0%), Michigan (4.25%), North Carolina (3.99%), Ohio (2.75%), and others.
What is the highest state income tax rate in 2026?
California has the highest top marginal rate at 13.3%, followed by Hawaii (11%), New Jersey (10.75%), and Oregon (9.9%).
What tax changes took effect in 2026?
Several states lowered their income tax rates in 2026, including Georgia (to 5.49%), Indiana (to 2.95%), Kentucky (to 3.5%), Mississippi (to 4.0%), North Carolina (to 3.99%), and Ohio (to a flat 2.75%).
What is the difference between marginal and effective tax rates?
Marginal tax rate is the rate you pay on the last dollar of income. Effective tax rate is the average rate you pay on your total income (total tax รท total income).
How does filing status affect my tax?
Your filing status affects your standard deduction and tax brackets. Married filing jointly typically has the highest standard deduction and widest brackets, resulting in lower taxes than single filers.
How accurate is this calculator?
This calculator provides accurate estimates based on published 2026 state tax rates and brackets. However, state tax laws can change, and individual situations may vary. Use this as a planning tool and consult a tax professional for precise calculations.
Is this calculator free to use?
Yes, this calculator is completely free to use. No registration or personal data storage is required. All calculations are performed in your browser.
What is a standard deduction?
A standard deduction is a fixed amount that reduces your taxable income. Most states offer a standard deduction that varies by filing status. Some states also allow additional itemized deductions.
Why is state income tax important?
State income tax can significantly impact your take-home pay. The difference between living in a no-tax state and a high-tax state can be tens of thousands of dollars per year for high earners.