2026 tax year · Connecticut
1099 tax calculator for Connecticut
Connecticut uses graduated 2026 income tax brackets topping out at 6.9%, across 7 brackets, on top of federal income tax and self-employment tax.
Switching state opens that state's page.
Enter your numbers and press Calculate to see your 2026 estimate.
How 1099 tax works in Connecticut
Connecticut taxes income on 7 graduated brackets for 2026, from 2% up to 6.9%. Because 1099 profit stacks on top of any other income, a second source can push part of it into the next bracket.
On top of that sits the federal layer, which is the same wherever you live: self-employment tax plus federal income tax. The 1099 tax calculator hub works through how that half is built.
| Connecticut taxable income (single) | 2026 rate |
|---|---|
| $0 - $10,000 | 2% |
| $10,000 - $50,000 | 4.5% |
| $50,000 - $100,000 | 5.5% |
| $100,000 - $200,000 | 6% |
| $200,000 - $250,000 | 6.5% |
| $250,000 - $500,000 | 6.9% |
| $500,000 and up | 6.9% |
Worked example: $50,000 of 1099 income in Connecticut
A single filer with $50,000 of net 1099 income and no W-2 wages, taking the standard deduction, owes an estimated:
| Self-employment tax | $7,065 |
| Federal income tax | $2,667 |
| Connecticut state income tax | $1,841 |
| Total tax | $11,573 |
| Effective rate | 23.1% |
| After-tax income | $38,427 |
What the rate alone doesn't tell you about Connecticut
Connecticut is one of the twelve states that still taxes Social Security benefits, which matters if you are drawing benefits alongside self-employment income.
Connecticut against the states it borders
On $50,000, Connecticut charges $2,000 of state income tax. Of the 3 states it borders, Rhode Island is the lightest at $1,875 and Massachusetts the most expensive at $2,500, a spread of $625 on the same income.
| State | Tax on $50,000 | vs Connecticut |
|---|---|---|
| Rhode Island | $1,875 | −$125 |
| New York | $2,495 | +$495 |
| Massachusetts | $2,500 | +$500 |
- Rhode Island would take $125 less, $1,875 against Connecticut's $2,000.
- New York would take $495 more, $2,495 against Connecticut's $2,000.
- Massachusetts would take $500 more, $2,500 against Connecticut's $2,000.
What this estimate assumes
- Single filer, $16,100 federal standard deduction, net profit after expenses.
- No local income tax is modeled.
- No Connecticut credits are applied beyond the deductions in its own rules.
Connecticut 1099 tax questions
Does Connecticut tax 1099 income?
Yes. Connecticut taxes net profit from 1099 work the same way it taxes other income, on 7 graduated brackets topping out at 6.9%. On the $50,000 example above the state share is $1,841.
How much should a 1099 worker in Connecticut set aside?
About 23% of net profit, based on the $50,000 single-filer example above ($11,573 of federal, self-employment and Connecticut state tax combined). Your own rate moves with filing status, other income and deductions, run the calculator with your numbers.
Are there local income taxes in Connecticut?
The estimate above models federal, self-employment and state income tax only, it does not include any city, county or school-district income tax. The 2026 dataset carries no local-tax note for Connecticut, so check with the municipality where you live and work before relying on the state figure alone.
Do I owe Connecticut tax on work done for an out-of-state client?
Connecticut has no wage reciprocity agreements in the 2026 dataset. As a resident you generally report all your 1099 profit to Connecticut regardless of where the client is, and claim a credit for income tax paid to another state on work performed there.
When are quarterly estimated payments due?
Federal 1040-ES payments for the 2026 tax year are due April 15, 2026, June 16, 2026, September 15, 2026, January 15, 2027. Connecticut requires its own estimated payments; the 2026 dataset does not yet carry state-specific due dates, so confirm them with the Connecticut tax agency.