Calculator 1099 vs W-2 Blog 2026
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Connecticut 1099 Tax Calculator for Freelancers 2026

Estimate your combined Connecticut state (6.99%) and federal self-employment tax as a freelancer or 1099 contractor. Plan to set aside roughly 35-40% of net income.

Connecticut Freelancer Tax Estimate
All calculations run in your browser — nothing stored
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Your 2026 Connecticut Tax Estimate
Based on your inputs
Total Tax (Federal + SE + Connecticut)
Self-Employment Tax
Federal Income Tax
Set Aside per Month
Effective Tax Rate
Quarterly Payments — 2026
Q1April 15, 2026
Q2June 16, 2026
Q3Sept 15, 2026
Q4Jan 15, 2027
⚠️ Estimate only. This tool provides approximate figures for Connecticut freelancers. Not tax advice. Consult a licensed CPA for your specific situation.

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Connecticut Self-Employment Tax Guide for Freelancers (2026)

Connecticut has a progressive income tax with rates from 3% to 6.99%. The state also imposes a 'tax on the tax' surcharge for high earners and has a complex system of credits. Freelancers in CT should be aware of the pass-through entity tax option, which can provide a workaround for the SALT deduction cap.

Connecticut freelancers should factor in the 6.99% state income tax when planning their tax payments. This is in addition to the 15.3% federal self-employment tax and federal income tax based on your bracket.

All self-employed individuals in Connecticut must make quarterly estimated tax payments to the IRS if they expect to owe $1,000 or more. Connecticut may also require separate state estimated tax payments — check with a local CPA. Our calculator above gives you the exact quarterly amounts based on your income.

How Much Should Connecticut Freelancers Set Aside for Taxes?

Based on the 6.99% state rate in Connecticut, we recommend setting aside approximately 35-40% of your net self-employment income for taxes. This covers federal income tax, self-employment tax (15.3%), and Connecticut state income tax.

The exact percentage varies based on your total income, filing status, and deductions. Use the calculator above for a personalized estimate, then set up automatic transfers to a dedicated tax savings account each time you receive a payment.

1099 Tax Calculators by State

Calculate your freelancer taxes for any state: