Ct State Tax Withholding Form 2024. Calculate your total tax due using the ct tax calculator (update to include the 2024/25 tax brackets). You can make this change by giving your employer or payer a revised form ct‑w4, employee’s withholding certificate or form ct‑w4p, withholding certificate for.
This calculator is intended to be used as a tool to calculate your monthly connecticut income tax withholding. 2024/25 connecticut state tax refund calculator.