Connecticut Tax Calculator
Accurately calculate your Connecticut state taxes for 2026. Understand your full tax burden including federal, state, and local taxes.
Why calculating tax in Connecticut is different
Connecticut has a progressive income tax and relatively high cost of living with moderate sales taxes.
Connecticut Tax Interactive Tool
This calculator uses the latest 2026 data for Connecticut, including the minimum wage of $15.69 and the specific state income tax rates (3% - 6.99%).
Frequently Asked Questions about Connecticut Tax
Does Connecticut have a state income tax?
Yes, Connecticut imposes a state income tax. The current rate is 3% - 6.99%. Be sure to factor this into your overall tax planning.
What is the base sales tax in Connecticut?
The base state sales tax in Connecticut is 6.35%. Local municipalities may add additional local sales taxes on top of this rate.
How can I lower my taxes in Connecticut?
You can lower your Connecticut tax liability by maximizing contributions to tax-advantaged accounts like 401(k)s and IRAs, and by taking advantage of Connecticut-specific tax credits and deductions.