Connecticut State Department of Revenue Services

Webinar Alert: DRS has rescheduled its Sales and Use Tax Webinar on Janitorial Services and Maintenance Services to Wednesday, September 3, 2025, at 10:00 a.m. To register for this event, simply click here!

DRS Calculators/Tables

The following calculators are available from myconneCT. Click here to view the Tax Calculators.

  • Property Tax Credit Calculator
  • Income Tax Calculator
  • Social Security Benefit Adjustment Worksheet
  • Monthly Connecticut Withholding Calculator - CT-W4P
Tax Calculation Schedule
Tax Tables