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Connecticut Paycheck Calculator FAQ
What are Connecticut's income tax brackets for 2026?
Connecticut uses 7 marginal brackets ranging from 2% to 6.99%.
How much is take-home pay on $65,000 in Connecticut?
On a $65,000 gross salary, a single filer in Connecticut takes home roughly $52,407.5/year (about $4,367.29/month) after federal tax, FICA, and state tax.
What deductions does Connecticut apply before taxing my income?
Connecticut applies a $15,000 personal exemption, before its marginal bracket schedule. See the "How Connecticut Paycheck Tax Is Calculated" section above for the exact formula.
Does this estimate change if I'm married or have dependents?
This calculator uses single-filer figures only (v1 scope). Married filing jointly typically uses different federal and Connecticut state brackets and a larger standard deduction — your actual take-home pay will differ. Dependents can also reduce federal withholding via the W-4. Check Connecticut Department of Revenue Services's married-filing-jointly tables for a precise figure.
Methodology & Source
Connecticut state tax figures sourced from Connecticut Department of Revenue Services (https://portal.ct.gov/drs), citing Conn. Gen. Stat. § 12-700. Federal brackets, standard deductions (single/MFJ/HoH), and FICA constants sourced from the IRS (Revenue Procedure 2025-32; married-filing-jointly Additional Medicare threshold of $250,000 is a separate, unindexed statutory figure). Connecticut's married-filing-jointly and head-of-household figures are not yet independently verified and currently fall back to single-filer brackets — see the caveat in the formula section above.
Self-employment tax uses the statutory 15.3% rate (12.4% Social Security + 2.9% Medicare) on 92.35% of net self-employment income, with half of the SE tax deducted from federal taxable income above-the-line — per IRS Schedule SE (Form 1040) instructions, IRC §1401 and §164(f), 2026 edition. The 20% Qualified Business Income deduction (IRC §199A) is not modeled — it phases out by income and business type and is too state/entity-dependent to compute generically. This assumes the self-employment income is your only earnings for the year; if you also have W-2 wages, the Social Security wage-base cap and Additional Medicare threshold are actually based on your combined earnings, so this will overstate SE tax if you have significant wage income too.
This is an estimate based on standard single-filer federal, FICA, and CT state calculations. Actual withholding may differ based on your W-4 elections, pre-tax deductions, and other factors. Connecticut's $15,000 personal exemption phases out between $30,000 and $45,000 of income; this estimate applies it as a flat amount, which understates tax for filers in that phase-out band. Connecticut also has a "tax recapture" provision affecting high earners, not modeled.
Guideline version: 2026-CT-v1 · Effective: 2026-01-01 · Last verified: 2026-07-26