Wisconsin State Income Tax Calculator
Calculate your Wisconsin state income tax liability for 2026
About Wisconsin State Income Tax
Tax Brackets & Rates (2026)
| Income Range | Tax Rate |
|---|---|
| $0 - $13,810 | 3.54% |
| $13,810 - $27,630 | 4.65% |
| $27,630 - $304,170 | 5.3% |
| Over $304,170 | 7.65% |
Deductions & Exemptions
- Standard Deduction: $12,760
- Personal Exemption: $700 per taxpayer
How Wisconsin State Income Tax Works
Wisconsin uses a progressive tax system with 4 tax brackets. As your income increases, different portions are taxed at higher rates. Only the income within each bracket is taxed at that bracket's rate.
Tips for Wisconsin Taxpayers
- File your state return by the same deadline as federal taxes (typically April 15)
- Consider itemizing deductions if they exceed the standard deduction
- Make estimated quarterly payments if you're self-employed or have significant investment income
- Keep detailed records of all income, deductions, and tax payments
- Consider contributions to tax-advantaged accounts like 401(k)s and IRAs to reduce taxable income