Tax year 2026 · updated October 2, 2026 · engine estimates
Roth vs traditional 401k paycheck calculator (2026)
Sample take-home: $60,859.58 a year · $5,071.63 a month · $2,340.75 biweekly.
Tax year 2026, California, single, standard deduction, no 401(k).
On an $80,000 California salary, 0% traditional 401(k) is the Roth-like paycheck and 10% traditional is the pretax path. There is no Roth box: a Roth deferral is after-tax, so take-home matches 0% traditional at the same wage.
Your pay
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Estimated take-home · CA · Annual
per year
See breakdown
| Item | Annual |
|---|---|
| Gross | $80,000.00 |
| Federal income tax | $8,770.00 |
| Social Security | $4,960.00 |
| Medicare | $1,160.00 |
| State income tax | $3,210.42 |
| CA SDI | $1,040.00 |
| Total tax | $19,140.42 |
| Net / take-home | $60,859.58 |
What this includes. Included: 2026 federal brackets + standard deduction (Rev. Proc. 2025-32), Social Security 6.2% up to $184,500, Medicare 1.45% (plus 0.9% additional Medicare over the threshold), and the state income-tax model (including states with no state income tax); CA SDI, WA Cares, and optional NYC when those lines apply. Not included: other local/city taxes, Child Tax Credit, EITC, itemized deductions, 401(k)/HSA/FSA unless typed in, garnishments. See methodology.
Estimate only — not tax advice or full tax software. 2026 federal brackets and a simplified state model. Locals other than optional NYC, CA SDI, and WA Cares are omitted. Confirm with your pay stub or a tax professional.
The calculator sample starts as a single filer. Change filing status above to see married or head-of-household take-home on this same wage. Numbers update as you type.
Paycheck breakdown
| Period | Gross | Taxes | Take-Home |
|---|---|---|---|
| Annual | $80,000.00 | $19,140.42 | $60,859.58 |
| Monthly | $6,666.67 | $1,595.03 | $5,071.63 |
| Biweekly | $3,076.92 | $736.17 | $2,340.75 |
| Weekly | $1,538.46 | $368.09 | $1,170.38 |
| Hourly | $38.46 | $9.20 | $29.26 |
Tax breakdown
| Line | Amount |
|---|---|
| Federal | $8,770.00 |
| State | $3,210.42 |
| Social Security | $4,960.00 |
| Medicare | $1,160.00 |
| CA SDI | $1,040.00 |
| Total tax | $19,140.42 |
| Effective rate | 23.9% |
| Net % of gross | 76.1% |
Traditional elective deferrals reduce federal taxable wages and, in this model, typically California taxable wages. They stay in the FICA base: Social Security 6.2% and Medicare 1.45% still apply to the deferred dollars. That is why FICA barely moves between the 0% and 10% rows while federal and state income tax fall.
Roth dollars do not leave federal wages, so they do not change income-tax withholding or FICA in this sketch. Employer match is omitted because it is not employee cash. We do not enforce the IRS elective-deferral dollar cap. Health premiums are a different lever — they generally reduce FICA too.
Drag the 401(k) percent from 0 toward 10 to watch the traditional path. Reviewed October 2, 2026.
Sample estimates
| Sample | State tax | Federal + FICA | Annual take-home | Monthly | Biweekly |
|---|---|---|---|---|---|
| $80k CA single, 0% traditional (Roth-like take-home) | $3,210.42 | $14,890.00 | $60,859.58 | $5,071.63 | $2,340.75 |
| $80k CA single, 10% traditional 401(k) | $2,547.85 | $13,130.00 | $55,282.15 | $4,606.85 | $2,126.24 |
Engine estimates for tax year 2026 — not tax advice or a pay stub. Omits local taxes, most credits, and SDI/PFML. See methodology.
What this includes. Included: 2026 federal brackets + standard deduction (Rev. Proc. 2025-32), Social Security 6.2% up to $184,500, Medicare 1.45% (plus 0.9% additional Medicare over the threshold), and the state income-tax model (including states with no state income tax); CA SDI, WA Cares, and optional NYC when those lines apply. Not included: other local/city taxes, Child Tax Credit, EITC, itemized deductions, 401(k)/HSA/FSA unless typed in, garnishments. See methodology.
Related: 401(k) vs take-home pay · Paycheck calculator with 401(k) · HSA paycheck calculator
FAQ
Where is the Roth 401(k) box?
There isn’t one. Roth take-home matches 0% traditional on the same wage. Compare that row with 10% traditional below.
Does traditional 401(k) reduce Social Security?
Usually no. Traditional deferrals stay in the FICA wage base. That is the FICA note that separates this from an HSA or cafeteria health premium.
How is this different from 401(k) vs take-home?
That page preloads 10% traditional. This URL starts at 0% to show Roth-like take-home and names the missing Roth field.