Should you max out your 401(k) or invest in a taxable brokerage? Compare tax savings, employer match, early withdrawal rules, and 30-year outcomes. Free calculator included.
📊 The Short Answer
Always contribute enough to get the full employer match first — that's a guaranteed 50-100% return. After that, max your 401(k) up to the $23,500 limit (2026) if you're in the 22%+ tax bracket, because the tax deduction alone is worth $5,170/year. Taxable investing only makes sense after maxing tax-advantaged accounts, or if you need the money before age 59½. The 30-year difference between 401(k) and taxable investing on $10,000/year is approximately $250,000 in tax savings alone.
Employer Match Value (50% up to 6%)
On $100k salary: contribute $6,000, employer adds $3,000. Instant 50% return. Never leave this on the table.
Tax Savings: 401(k) at 24% bracket ($23,500 max)
Contribution reduces taxable income. At retirement (12% bracket), tax on withdrawal is lower.
30-Year Outcome: 401(k) ($23,500/yr, 7% return)
Pre-tax contributions + growth. After 12% retirement tax: ~$1,954,000 after-tax.
30-Year Outcome: Taxable ($18,000/yr after tax, 7% return)
Lower contributions (paid tax upfront) + yearly tax drag on dividends (~0.3%/yr) + capital gains tax at sale.
401(k) Advantage Over 30 Years
401(k) builds ~$314k more wealth than taxable, despite both starting with the same pre-tax $23,500 income.
| 401(k) | Taxable Brokerage | |
|---|---|---|
| Annual Contribution | $23,500 (pre-tax) | $17,860 (after 24% tax) |
| Employer Match | $3,000 (free) | $0 |
| Tax Drag (yearly) | None (tax-deferred) | ~0.27% (dividend tax) |
| 30-Year Balance | $2,220,000 | $1,640,000 |
| Taxes at Withdrawal | $266,000 (12% bracket) | $246,000 (15% cap gains) |
| After-Tax Wealth | $1,954,000 | $1,394,000 |
| 401(k) Advantage | +$560,000 | — |
Compare two scenarios over 30 years with the same pre-tax income: (1) Contribute $23,500 pre-tax to 401(k), let it grow tax-deferred, pay 12% tax on withdrawals. (2) Pay 24% tax now, invest $17,860 after-tax in brokerage, pay yearly dividend taxes (~0.27% drag), pay 15% capital gains on gains at withdrawal. Include employer match in 401(k) scenario as additional return.
Outcome: Pay 24% tax now, withdraw tax-free. Best if you expect to be in a higher tax bracket in retirement. At $100k income with a 24% current rate and 12% expected retirement rate, Traditional wins.
Pros
Cons
Outcome: Get employer match → max Roth IRA ($7,000) → then decide between more 401(k) or taxable. This gives tax diversification in retirement.
Pros
Cons
💡 What This Means For You
The 401(k) is the single most powerful wealth-building tool available to most Americans. Between the employer match (free money), tax deduction (immediate 24% savings), and tax-deferred growth (no yearly tax drag), it crushes taxable investing over any meaningful timeframe. The only reason to invest in taxable before maxing your 401(k) is if you need the money before 59½ — for early retirement, a home down payment, or education. Even then, consider a Roth IRA (contributions withdrawable anytime) as the bridge.
Yes, if you're in the 22%+ tax bracket. The tax deduction alone is worth 22-24% of your contribution. Even without a match, the tax-deferred growth advantage over taxable is worth ~1% per year in compounded returns.
Yes, for 2026. If you're 50+, you can contribute an additional $7,500 in catch-up contributions ($31,000 total). The limit typically increases with inflation each year.
Yes, through several methods: (1) Rule of 55 — if you leave your job at 55+, you can withdraw from that employer's 401(k) penalty-free. (2) SEPP/72(t) — substantially equal periodic payments. (3) Roth IRA conversion ladder — convert to Roth, wait 5 years, withdraw contributions.
Compare your current tax rate vs expected retirement tax rate. If current > retirement (common), Traditional wins. If current < retirement (early career, expecting high income), Roth wins. If you're unsure, split 50/50 — you'll be right no matter what.
Important Disclaimer — Not Financial Advice
The results from this calculator are for informational and educational purposes only. They are not a guarantee of actual outcomes and should not be considered financial, investment, tax, or legal advice. Always consult a qualified professional for advice tailored to your specific financial situation. See our Terms of Service and Privacy Policy for more information.
Last reviewed by Qasem Mohammed — May 31, 2026
AI & Software Engineer, Founder & Lead Developer at QFINHUB · Editorial Policy