Tax year 2026 · updated August 24, 2026 · engine estimates
Semimonthly paycheck calculator (2026)
Semimonthly pay is two checks a month — 24 a year — usually the 1st and the 15th or the 15th and last business day. It is not biweekly (every two weeks, 26 checks). This page annualizes semimonthly gross × 24.
Your pay
Numbers update as you type. Copy the URL to share this estimate.
That’s $80,000.00 a year.
Taxed as supplemental wages (22% federal flat, plus FICA and a simplified state line).
Estimated take-home
per paycheck
| Item | Paycheck | Annual |
|---|---|---|
| Gross | $3,333.33 | $80,000.00 |
| Federal income tax | $365.42 | $8,770.00 |
| Social Security | $206.67 | $4,960.00 |
| Medicare | $48.33 | $1,160.00 |
| State income tax | $133.77 | $3,210.42 |
| CA SDI | $43.33 | $1,040.00 |
| Total tax | $797.52 | $19,140.42 |
| Net / take-home | $2,535.82 | $60,859.58 |
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.
On the same $80,000 salary a semimonthly check is about $3,333 gross; a biweekly check is about $3,077. Annual tax should land close if hours stay flat. Three-check months do not happen on a true semimonthly calendar.
HR systems sometimes label both calendars “twice a month.” If you get 26 checks, use Biweekly. If you get 24, stay here.
The sample is $80,000 California, single. Change state or filing status in the widget. Reviewed August 24, 2026.
Sample estimates
$80k as semimonthly, CA single: annual net $60,859.58 · per paycheck $2,535.82 · effective tax 23.9%. Estimate only.
Engine estimates for tax year 2026 — not tax advice or a pay stub. Omits local taxes, most credits, and SDI/PFML. See methodology.
Related: Biweekly paycheck calculator · Monthly paycheck calculator · Compare job offers
FAQ
Is semimonthly the same as biweekly?
No. Semimonthly is 24 periods. Biweekly is 26.
What should I type?
The gross of one semimonthly check, or switch to Annual and type the salary.
Does this include local tax?
Only optional NYC, CA SDI, and WA Cares. Other locals are omitted.