Connecticut Paycheck Calculator (2026 Take-Home Pay)

Connecticut runs seven brackets from 2% up to 6.99%, and unusually for a high-tax northeastern state it adds no municipal income tax on top, so the state line is the whole state story. Many Connecticut residents commute to New York and file in both states, which changes the annual return but not what a Connecticut employer withholds. The withholding itself is one subtraction:

Four steps produce the per-paycheck figure:

1. FICA Payroll Tax Computation: Assessed on the full gross salary, before any pre-tax deduction is subtracted. - Social Security (OASDI): 6.20% withheld on wages up to the 2026 statutory wage base ($184,500). - Medicare (HI): 1.45% withheld on all gross earnings (no wage cap), plus 0.90% Additional Medicare Tax on earnings exceeding $200,000 (single) or $250,000 (married filing jointly).
2. Federal Income Tax Withholding: Evaluated using 2026 progressive federal tax brackets (10%, 12%, 22%, 24%, 32%, 35%, 37%) on gross salary less the pre-tax deduction, after applying standard deduction thresholds ($16,100 single / $32,200 married joint).
3. Connecticut State Income Tax Withholding: The same reduced wage figure is stacked through Form CT-1040 TCS Table B alone -- 2% to $10,000, 4.5% to $50,000, 5.5% to $100,000, 6% to $200,000, 6.5% to $250,000, 6.9% to $500,000 and 6.99% above. Table A personal exemptions, Table C's 2% rate phase-out add-back, Table D tax recapture and Table E personal credits are not applied at this step.
4. Pay Period Proration: Annual net compensation is divided across the designated pay frequency (26 bi-weekly, 24 semi-monthly, 12 monthly, or 52 weekly pay periods).

Consider an employee in Connecticut earning $75,000 annually, paid bi-weekly (26 paychecks per year), filing single, with $3,500 in annual pre-tax 401(k) contributions.

1. Gross pay per paycheck. $75,000 ÷ 26 pay periods = $2,884.62 before any withholding.
2. Pre-tax deduction. The $3,500 annual 401(k) contribution reduces each paycheck by $134.62 and also shrinks the wages used to calculate federal and state income tax; FICA is still assessed on the full gross amount.
3. FICA payroll taxes. Social Security withholds 6.2% of gross pay and Medicare withholds 1.45%, for $220.67 per paycheck.
4. Federal income tax withholding. Applying the 2026 federal schedule to the reduced taxable wage withholds $265.38 per paycheck.
5. Connecticut state tax withholding. Table B applied to the same reduced wage withholds $122.40 per paycheck.
6. Net take-home pay. $2,884.62 gross, minus $134.62 pre-tax, minus $220.67 FICA, minus $265.38 federal tax, minus $122.40 state tax leaves $2,141.54 per paycheck, which works out to $55,680.00 per year, an effective total tax rate of 21.09%.

Two Months In, And Then The Whole Year

Connecticut layers seven brackets from 2% to 6.99%, and the cumulative columns are the easiest place to see what that ladder costs over a full year rather than a single Friday.

Step 7 -- Two months of cumulative pay. The schedule's first row shows $6,250.00 of cumulative gross against $4,640.00 of cumulative take-home. Row two doubles both: $12,500.00 gross, $9,280.00 take-home, with $3,220.00 accumulated on the deduction side.

Step 8 -- The full year. By month twelve the schedule reaches $75,000.00 of cumulative gross and $55,680.00 of cumulative take-home, adding $4,640.00 every month without variation.

Step 9 -- What the year actually withheld. The cumulative deduction column closes at $19,320.00. That column carries the $3,500 pre-tax 401(k) contribution alongside the tax, so tax alone is $19,320.00 - $3,500 = $15,820.00, an effective total tax rate of 21.09% on $75,000.00 of gross pay.

Step 10 -- Why the monthly increment never changes. Every month in the schedule adds the same amount, and that is a property of the engine, not just of this salary. The $184,500 Social Security wage base and the $200,000 Additional Medicare threshold are applied to annual wages first, and only then is the annual result divided across twelve months. A real payroll ledger would show take-home step up in the month Social Security stops; this schedule never does. At $75,000 the point is academic, because gross reaches neither limit. Above $184,500, or above $200,000 filing single, it would matter and this schedule would still run flat.

The twelve rows are a proration, so none of the edges are in the table. On the salary axis Connecticut supplies two of its own within an ordinary wage range, and the federal schedule supplies the largest.

The Connecticut 5.5% to 6% step at $103,500 of gross salary

Table B moves from 5.5% to 6% at $100,000 of taxable income, which with the default $3,500 pre-tax deduction is $103,500 of gross salary.

At $103,000 of salary, state withholding is $181.63 per bi-weekly check and annual net take-home is $73,838.00.

At $104,000, across the boundary, state withholding is $183.85 and annual net is $74,484.00; that thousand cost $2.22 per check in state tax.

At $105,000, state withholding is $186.15 and annual net is $75,127.50; the same thousand now costs $2.30 per check.

The lower Connecticut step behaves identically. The 4.5% band ends at $50,000 of taxable income, or $53,500 of gross: state withholding runs $76.06 per check at $53,000, $77.98 at $54,000 and $80.10 at $55,000, the increment widening from $1.92 to $2.12 as the 5.5% band takes over.

Both steps are small. Neither costs more than about $10 a year on a $1,000 raise, which is worth setting against the reputation a seven-bracket schedule carries.

The federal edge at $70,000 of gross salary, which is four times larger

At $69,000 of salary. Take-home is $1,988.04 per check, federal withholding $218.46, state $109.71. Annual net is $51,689.00.

At $70,000, at the boundary. Take-home is $2,016.83 per check, federal withholding $223.08, state $111.83. Annual net is $52,437.50, so that thousand added $748.50 to the year.

At $71,000, past it. Take-home is $2,041.77 per check, federal withholding $231.54, state $113.94. Annual net is $53,086.00, and the identical thousand adds only $648.50.

$100.00 of annual take-home is the price of that step, against roughly $10 for either Connecticut step. On this page the federal ladder is the one that moves the number.

The Social Security wage base at $184,500

At $184,000 of salary, annual net take-home is $124,790.00, FICA $541.38 per check.

At $185,000, annual net is $125,444.50, FICA $543.13. That thousand was worth $654.50.

At $186,000, wholly above the base, annual net is $126,130.00 and FICA is $543.69 per check, so that thousand was worth $685.50 -- $31.00 more than the one below it, because the 6.2% Social Security component has stopped.

The schedule shows none of this, at any salary, because FICA is settled annually before the division by twelve.

The marginal cost of the next $1,000

Annual net take-home is $55,031.50 at $74,000 of salary, $55,680.00 at $75,000 and $56,328.50 at $76,000. Each additional $1,000 of salary is worth $648.50 of annual take-home in Connecticut, and costs $351.50 in tax.

Running the calculator backwards

Sweeping in $500 steps at the default settings, $109,500 is the first salary at which the bi-weekly check reaches $3,000, paying $3,000.89 against $2,988.52 at $109,000. And $144,500 is the first salary whose annual net take-home clears $100,000, at $100,161.75 against $99,850.00 at $144,000.

The pre-tax dollar, priced

At $3,500 of pre-tax deductions, annual net take-home is $55,680.00, state withholding $122.40 per check.

At $10,000, annual net take-home is $50,817.50, state withholding $108.65 per check.

Contributions rose by $6,500.00 while spendable take-home fell by only $4,862.50. The $1,637.50 difference is tax that was never withheld, and the entire $10,000 remains the employee's money. Connecticut supplies $357.50 of that saving, its 5.5% on the extra $6,500 at this salary.

The Total Effective Tax Rate output falls from 21.09% to 18.91% across the same change, because the contribution is excluded from that ratio's numerator, while the Cumulative Deductions column rises, because it counts the contribution as a deduction. Both sit on this page and neither is wrong; they measure different quantities.

Multiplying the paycheck by 26. Twenty-six times $2,141.54 is $55,680.04, four cents over the engine's $55,680.00. The annual figure is computed first and each check derived from it, which is why annual net stays $55,680.00 on every frequency -- weekly $1,070.77, bi-weekly $2,141.54, semi-monthly $2,320.00, monthly $4,640.00.

Reading Cumulative Deductions as tax. The column closes at $19,320.00 against $15,820.00 of actual tax. Quoted as tax it reads 25.76% of $75,000 where the correct figure is 21.09%, overstating the burden by 4.67 percentage points.

Expecting this to match a CT-1040 liability. It will not. The engine runs Table B and stops. Connecticut's real calculation adds the Table C phase-out and Table D recapture for higher incomes and subtracts Table A exemptions and Table E credits for lower ones, so this page can overstate at the bottom of the range and understate at the top.

Budgeting from this net figure and forgetting the paid leave contribution. Connecticut's employee-paid family and medical leave contribution is withheld from wages, is not income tax, and appears in none of these figures.

Connecticut Withholding Under Single And Joint Schedules

The filing status selector reaches the Connecticut line as well as the federal one. At $75,000 with a $3,500 pre-tax election on a bi-weekly schedule, Connecticut withholding is $122.40 per check filing single and $104.52 filing jointly, a saving of $17.88. Federal withholding falls from $265.38 to $162.31 across the same change. The net paycheck moves from $2,141.54 to $2,262.50 and annual take-home from $55,680.00 to $58,825.00, a gain of $3,145.00. Connecticut's joint bands are the single bands doubled, so a $71,500 taxable base that has crossed the single 5.50% edge at $50,000 is still on the joint 4.50% step, which runs to $100,000.

• Table B only. Table A personal exemptions, Table C's 2% rate phase-out add-back, Table D tax recapture and Table E personal credits are all real parts of the Connecticut calculation and none of them are modelled.
• No state standard deduction and no personal exemption. Taxable income is taken as gross less the pre-tax box, nothing more.
• No paid family and medical leave contribution, and no state disability withholding of any kind.
• Bracket vintage. The array is the tax year 2025 Form CT-1040 TCS Table B. Connecticut has not published 2026 materials, so 2025 is the current schedule. The two lowest rates here are the post-PA 23-204 figures, 2% and 4.5%.
• No local wage taxes, no W-4 detail. No dependents, multiple-jobs checkbox, extra per-period withholding or other-income entry. Filing status is single or married filing jointly only.
• One pre-tax box, no post-tax box. 401(k), HSA and FSA share one annual field with no employer match and no per-plan limit. Roth contributions, garnishments and post-tax premiums are absent.
• FICA is annual, then prorated. The twelve rows never show the wage-base step at any salary, for the reason in Step 10.
• Two definitions on one page. The effective rate output excludes the pre-tax deduction from its numerator; the Cumulative Deductions column includes it.

• Internal Revenue Service (IRS): Publication 15 (Circular E) and Publication 15-T (2026). irs.gov/publications/p15
• Social Security Administration (SSA): 2026 Social Security Wage Base Limit. ssa.gov
• Connecticut Department of Revenue Services: Form CT-1040 TCS, 2025 Tax Calculation Schedule, Table B. portal.ct.gov/drs