A 401(k) is the wrong answer. On $60,000 in California it cuts your tax bill but lowers take-home from $47,877.47 to $43,029.47, because you deferred your own pay.
Reference notes for the 2026 federal tax year and 2025 state schedules, computed from published rates rather than copied from another site.
Separate the two things every article on this subject conflates.
Raises take-home, on $60,000 single in California:
| Lever | Worth a year |
|---|---|
| Filing as head of household if you qualify | $2,108.04 |
| Claiming one qualifying child | $2,200.00 |
| $3,000 through a section 125 health plan | -$2,194.50 |
Lowers tax but also lowers take-home: a traditional 401(k).
The section 125 route wins on the 7.65% nobody mentions. A 401(k) reduces income tax but not Social Security and Medicare. A section 125 health, HSA or FSA plan reduces both — provided it goes through payroll. Fund an HSA yourself from a bank account and the FICA saving is lost entirely.
The first two levers are free but conditional: head of household needs an unmarried filer paying over half the cost of a home for a qualifying person. Claiming either wrongly is a filing error, not a strategy.
The two rates people confuse, on a single filer in Texas:
| Salary | Federal marginal | Effective, all taxes | Take-home |
|---|---|---|---|
| $35,000 | 12% | 13.421% | $30,302.50 |
| $55,000 | 12% | 15.686% | $46,372.50 |
| $85,000 | 22% | 19.262% | $68,627.50 |
| $145,000 | 24% | 23.88% | $110,373.50 |
Marginal tells you what the next dollar costs. Effective tells you what you live on. They are never the same number.
Single filer, Texas, which levies no state income tax:
| Salary | Total tax | Take-home a year | Take-home a month |
|---|---|---|---|
| $30,000 after tax | $3,715.00 | $26,285.00 | $2,190.42 |
| $50,000 after tax | $7,645.00 | $42,355.00 | $3,529.58 |
| $75,000 after tax | $13,407.50 | $61,592.50 | $5,132.71 |
| $100,000 after tax | $20,820.00 | $79,180.00 | $6,598.33 |
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Related: Bonus Tax Calculator · Overtime Tax Calculator · Child Tax Credit Calculator
Nothing here was copied from another calculator. Federal rates are 2026, from the IRS; state schedules are 2025, because the IRS publishes a year ahead of the states, and both years are named rather than blended.
The whole rate table is open data: rates.json, no key and no rate limit, indexed at dev-lab-x/us-tax-rates-json. Everything ever found wrong is published with before-and-after figures on the corrections page.
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