Connecticut State Tax Calculator
Calculate your Connecticut state income tax combined with federal taxes. Get accurate estimates for tax planning in Connecticut.
Connecticut Tax Quick Facts
Tax System
Progressive Brackets
Top Tax Rate
6.99%
Tax Brackets
7 brackets
Standard Deduction
Available
Calculate Your Tax
About Connecticut Income Tax
Connecticut levies a state income tax with rates ranging from 3% to 6.99% across seven tax brackets.
- Progressive tax system with seven brackets
- Top rate of 6.99% for high earners
- Higher tax burden compared to neighboring states
- Personal exemption credits available
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