Connecticut Quarterly Tax Calculator for Gig Drivers

Connecticut has its own state income tax on top of federal self-employment tax. Get your exact quarterly estimated tax payment, effective rate, and recommended set-aside — free, in seconds.

Connecticut Estimated Tax Facts

State Income Tax

Yes

Estimated Tax Form

Form CT-1040ES

File When You Owe

$1,000+ in state tax

Self-Employment Tax Rate

15.3% (federal)

Calculate Your Connecticut Quarterly Payment

Annual Gig Income ($)

Miles Driven / Year

Quarterly Payment

Annual Tax

Effective Rate

Set Aside / Payout

Connecticut Specific Tax Notes

Connecticut uses a personal exemption of $15,000 for single filers (not a standard deduction)
Estimated tax required if you expect to owe $1,000+ in state tax
Connecticut follows federal quarterly payment deadlines
CT does not fully conform to federal deductions — check CT-specific rules
Last reviewed: April 2026 — verify current rates at portal.ct.gov/drs

Connecticut Quarterly Tax Calculator for Gig Drivers

Connecticut Estimated Tax Facts

Calculate Your Connecticut Quarterly Payment

Turn this estimate into your action plan

Connecticut Specific Tax Notes

Your Connecticut Kit: Forms, Reminders, Checklists