What is the 401(k) early withdrawal penalty?

10% additional federal tax on top of regular income tax, applied when you take a distribution from a 401(k) before age 59½ and no IRS exception applies. The penalty is in addition to federal + state income tax — combined hit is typically 35-50% of the gross withdrawal for middle-to-high earners. Authority: IRS Topic No. 558 and Section 72(t) of the Internal Revenue Code.

How much will I receive after penalty and tax on a $30,000 withdrawal?

For a typical $100K earner under 59½ in a state with 5% income tax: $30,000 gross − $3,000 penalty (10%) − $7,200 federal tax (24%) − $1,500 state tax (5%) = $18,300 net. Effective cost: 39%. The same $30,000 left invested at 7% for 20 years would compound to ~$116,000 — making the true cost ~$98,000 of foregone retirement wealth.

What are the IRS exceptions to the 10% early withdrawal penalty?

Major exceptions: total/permanent disability, unreimbursed medical expenses >7.5% of AGI, Rule of 55 (separated from employer at age 55+, that employer's plan only), Substantially Equal Periodic Payments (SEPP / Rule 72(t)), Qualified Domestic Relations Order (QDRO from divorce). SECURE Act 2.0 added: federally-declared disaster ($22K cap), terminal illness, domestic abuse victim ($10.3K cap), birth/adoption ($5K). The first-time home buyer exception is IRA-only — 401(k) does NOT have a first-home exception.

What's the Rule of 55?

If you separate from service (retire, quit, or are laid off) in or after the calendar year you turn 55, you can take penalty-free withdrawals from THAT employer's 401(k) — but ONLY that plan. IRAs and previous-employer 401(k)s remain subject to the 10% penalty until age 59½. Public-safety employees (police, fire, ems) get the rule at age 50. Income tax still applies at your marginal rate.

Should I take a 401(k) loan instead of an early withdrawal?

Almost always yes if you have a 401(k) loan option (most plans do). Loan limits: lesser of 50% of vested balance or $50,000. No tax, no penalty. You repay yourself with interest (typically prime + 1%) into your own account. The big catch: leaving the employer triggers full repayment within 60-90 days; if not repaid, the unpaid balance is treated as an early withdrawal with full tax + penalty. For employees confident they'll stay 5+ years, the loan is dramatically better than a withdrawal.

What's a 401(k) hardship withdrawal?

A specific category of withdrawal allowed by some plans for documented immediate and heavy financial need: medical, principal residence purchase, tuition, eviction prevention, funeral, casualty repairs. Hardship withdrawals are still subject to the 10% penalty AND income tax — they're not penalty-free. The 'hardship' status only allows the withdrawal to happen at all (some plans don't allow non-hardship in-service withdrawals); it doesn't waive any tax. SECURE Act 2.0 made hardship rules slightly more flexible (self-certification allowed, no longer require exhaustion of plan loans first).

How does the SECURE Act 2.0 affect 401(k) early withdrawals?

SECURE 2.0 (December 2022) added several new penalty-free exceptions: federally-declared disaster ($22K cap, 3-year repayment window), terminal illness (physician-certified, life expectancy ≤7 years), domestic abuse victim ($10.3K cap, self-certification allowed), birth/adoption ($5,000 per parent), and emergency expenses ($1,000 per year, repayable within 3 years). It also raised the RMD age to 73 (and 75 by 2033) and increased catch-up contribution limits.

Do I have to pay the 10% penalty even if I lose my job?

Job loss alone doesn't waive the penalty unless: (1) you're 55+ in the year of separation (Rule of 55), (2) you start substantially equal periodic payments (SEPP / Rule 72(t)), (3) you have a qualifying SECURE 2.0 exception (disaster, abuse, etc.), or (4) you have a hardship cause that meets a specific exception (large medical bills exceeding 7.5% of AGI). Routine unemployment, severance, or layoff doesn't trigger an exception by itself. The COBRA/health-insurance-premium exception is IRA-only, not 401(k).

Can I avoid the early withdrawal penalty with a 72(t) plan?

Yes — Substantially Equal Periodic Payments (SEPP), also called Rule 72(t). You commit to taking equal periodic payments for the LONGER of 5 years OR until you reach age 59½. Three calculation methods: required minimum distribution (RMD), fixed amortization, or fixed annuitization. Once started, you cannot modify the schedule without retroactive penalty + interest on all prior payments. Useful for early retirees with significant assets but no ordinary income; risky if your circumstances might change.

Is a Roth 401(k) early withdrawal treated the same?

No — Roth contributions can be withdrawn tax-free and penalty-free at any age (since you already paid tax going in). Roth EARNINGS withdrawn before age 59½ AND the 5-year aging rule are subject to BOTH income tax AND the 10% penalty (unless exception applies). Plan administrators track basis vs earnings on Roth distributions. The first-in-first-out ordering rule means Roth contributions come out first; only after exhausting contributions do you tap earnings (and trigger the tax + penalty).

How does the lifetime opportunity cost work?

The withdrawn amount, left invested at expected return, compounds over your years to retirement. A $30K withdrawal at age 45 with 20 years to retirement at 7% return = ~$116K future value. Net cash today: ~$18K after penalty + tax. Real cost: ~$116K - $18K = ~$98K of foregone retirement wealth. The 5-10x lifetime multiplier explains why the verdict is almost always 'don't' for under-59½ workers without a genuine exception. The earlier the age, the more brutal the math.

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401(k) Early Withdrawal Calculator — Penalty, Tax & Lifetime Cost (Pre-59½)

Drop the amount you're considering pulling from your 401(k) before age 59½. The calculator stacks the 10% federal penalty + your federal + state marginal tax + the lifetime opportunity cost, and surfaces every SECURE Act 2.0 exception that could waive the penalty.

Instant result
Private — nothing saved
Works on any device
AI insight included

Reviewed by CalcBold Editorial · Sources: IRS Pub 575 + Topic 558 + SECURE Act 2.0 (2022)Last verified May 5, 2026Methodology

Amount to withdraw

Pre-tax dollars from your 401(k) you're considering pulling. The calculator stacks the 10% federal penalty + federal + state marginal tax — typically 35-50% of gross gone before cash hits your account.

Net ≈ $18,300 (39% lost to penalty + tax)

Your current age

Under 59½ triggers the 10% federal early-withdrawal penalty unless an IRS exception applies. Age 55+ and separated from employer = Rule of 55 (penalty-free for THAT employer's plan). Age 59½+ = no penalty regardless.

Under 55 — no Rule of 55 path; check exceptions

Federal marginal tax rate

Federal bracket on the WITHDRAWAL portion (not your average effective rate). Withdrawals add to AGI for the year and may push you into a higher bracket — verify with the Tax Bracket calculator. Common: 22-32% for $100-200K earners 2026.

State income tax rate

Your state's income tax rate. Set 0 if you're in TX, FL, WA, AK, NV, SD, WY, or TN. NH taxes only dividends/interest — set 0 for retirement-account distributions.

Years to retirement

Drives the lifetime opportunity cost. The withdrawn amount, left invested at expected return for X years, compounds dramatically — typically 5-10x what you'd actually receive in cash today.

If left invested → $116,091 at retirement

Expected investment return (if left in 401(k))

Annual expected return on the 401(k) if left invested. S&P 500 long-run average: ~7% real (10% nominal − 3% inflation). Conservative target-date fund: 5-6%. Use a real (after-inflation) number for honest comparison with today's dollars.

Penalty exception (if any)

IRS Section 72(t) and SECURE Act 2.0 exceptions waive the 10% penalty (income tax still applies). Some have caps ($10K first-home, $22K disaster, $10.3K abuse, etc.) — over-cap portion still pays penalty. Rule of 55 only works for THAT employer's plan; IRAs and other 401(k)s remain subject to penalty.

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Should you take an early 401(k) withdrawal? — short answer first

Almost certainly no, unless an IRS exception applies. For a typical worker under 59½, the 10% federal penalty + federal + state marginal tax eats 35-50% of the gross withdrawal — meaning a $30,000 withdrawal nets ~$15,000-$19,000 cash. The same $30,000 left invested at 7% for 20 years would compound to ~$116,000. So the true cost is the 5-10x lifetime opportunity multiplier, not just the upfront tax bill. Take a 401(k) loan instead if you can; if not, exhaust HELOC, unsecured credit, or hardship-exception paths before pulling from your retirement principal.

What This Calculator Does

Most online 401(k) calculators stop at “net cash” and miss the lifetime opportunity cost — which is typically 5- 10x the cash you actually receive. This calculator stacks the full chain: 10% federal early-withdrawal penalty (Section 72(t) if you’re under 59½ and no exception applies) + federal marginal tax + state income tax + lifetime opportunity cost compounded over your years to retirement. The verdict score weighs all four against the alternatives (401(k) loan, HELOC, SECURE 2.0 exceptions).

SECURE Act 2.0 (December 2022) added several new permanent penalty-free exceptions on top of the older Section 72(t) list: federally-declared disaster ($22K cap, 3-year repayment window), terminal illness, domestic abuse victim ($10.3K cap), birth or adoption ($5K), and emergency expenses ($1K/yr). The calculator’s exception dropdown surfaces all 10 of them with caps and notes, so you can see exactly what waiver path (if any) applies to your situation.

The Math / Formula / How It Works

The 10% penalty is in ADDITION to regular income tax — not instead of. IRS Section 72(t) imposes the additional tax to discourage pre-retirement raids on tax-advantaged accounts. The 13+ enumerated exceptions (older Section 72(t) plus the SECURE 2.0 additions) waive the penalty but DO NOT waive income tax — even with an exception, you still owe federal + state at your marginal rate. Withholding at distribution is typically 20% federal flat; remaining tax owed at filing.

Marginal tax — not effective tax — is what applies to the withdrawal. The withdrawal adds to your AGI for the year and is taxed at the highest bracket you reach with the new income. For a $100K earner taking a $30K withdrawal, the AGI becomes $130K — pushing the last $25K of the withdrawal into the 24% bracket and possibly the 32% bracket above the $191K threshold (2026 single filer). Verify with the Tax Bracket calculator; most users underestimate by 2-5 percentage points.

Lifetime opportunity cost is where the real damage compounds. The withdrawal removes principal AND removes future compounding on that principal. Boston College’s Center for Retirement Research (working-paper series) consistently finds the 5-10x opportunity-cost multiplier across age cohorts, with younger workers facing the worst multipliers. At age 35 with 25 years to retirement and 7% expected return, $30K withdrawn becomes a $30K × 1.07^25 = $163K future-value loss — vs ~$18K cash received. That’s a 9x multiplier on a single decision.

How to Use This Calculator

Enter the amount you want to withdraw.Pre-tax dollars from your 401(k). The calculator stacks the 10% penalty + federal + state tax — typically 35-50% gone before cash hits your account.
Enter your current age.Under 59½ triggers the 10% penalty unless an exception applies. Age 55+ and separated from employer = Rule of 55 (penalty-free for THAT employer’s plan only). Age 59½+ = no penalty regardless of reason.
Enter federal marginal tax rate. Bracket on the WITHDRAWAL portion (not your average effective rate). Verify with the Tax Bracket calculator — withdrawals add to AGI and may push you into a higher bracket than you expect. Common: 22-32% for $100-200K earners 2026.
Enter state income tax rate. 0 for TX, FL, WA, AK, NV, SD, WY (no state income tax). NH and TN tax dividends/interest only — set 0 for retirement-account distributions. Most other states 4-13%.
Enter years to retirement and expected return.Drives the lifetime opportunity cost. 20 years at 7% turns $30K into ~$116K — that’s the real number you’re foregoing. Use 7% for typical equity-heavy long-run assumption; 5-6% for target-date funds.
Pick an exception (or “None”).Major exceptions: medical >7.5% AGI, disability, Rule of 55, SEPP/Rule 72(t), QDRO. SECURE 2.0 additions: disaster ($22K cap), terminal illness, domestic abuse ($10.3K cap), birth/adoption ($5K). First-home is IRA-only — NOT 401(k).
Read the verdict and decision score. 65+ = workable (exception applies or close to retirement). 40-64 = marginal, exhaust alternatives first. Under 40 = almost certainly the wrong call. Verdict surfaces lifetime opportunity cost in absolute dollars and as a multiplier.

Three Worked Examples

Example 1 — $30K withdrawal at age 45, no exception, 20 years to retirement

Withdraw $30,000 at age 45 with federal marginal 24% + state 5%, 20 years to retirement, 7% expected return. Penalty: $3,000 (10%). Federal tax: $7,200. State tax: $1,500. Total cost: $11,700 (39%). Net cash: $18,300. If left invested: $30K × 1.07^20 = $116,094 at retirement. Lifetime opportunity cost: $97,794 — 5.3x the net cash. Decision score: 10 (almost certainly the wrong call). Recommended: 401(k) loan first, HELOC second.

Example 2 — $50K withdrawal at age 56 under Rule of 55

Withdraw $50,000 at age 56, separated from employer at 55 (so Rule of 55 applies), federal marginal 22%, state 5%, 9 years to retirement, 7% return. Penalty: $0 (waived by Rule of 55). Federal tax: $11,000. State tax: $2,500. Total cost: $13,500 (27%). Net cash: $36,500. If left invested: $50K × 1.07^9 = $92K. Lifetime opportunity cost: ~$56K (1.5x net). Decision score: 72 (workable — exception applies + close to retirement). Reasonable trade-off if cash flow gap is genuine and short-term.

Example 3 — $40K withdrawal at age 35 to pay off credit cards

Withdraw $40,000 at age 35, federal marginal 22%, state 5%, 30 years to retirement, 7% return. Penalty: $4,000. Federal tax: $8,800. State tax: $2,000. Total cost: $14,800 (37%). Net cash: $25,200. If left invested: $40K × 1.07^30 = $304,490. Lifetime opportunity cost: $279,290 — 11x the net cash. Decision score: 5(almost certainly the wrong call). Even if you’re paying 24% credit-card interest, the lifetime cost of withdrawing dwarfs the interest savings. Recommended: 401(k) loan to pay the cards (no tax/penalty, repay yourself with interest).

Common Mistakes

Underestimating the marginal tax rate. The withdrawal adds to AGI for the year. A $30K withdrawal on top of $100K salary pushes the last $25K into a higher bracket. Verify with the Tax Bracket calculator — most users underestimate by 2-5 percentage points, which on $30K is $600-$1,500 of unexpected tax at filing.
Forgetting the lifetime opportunity cost.Online “net cash” calculators stop at the immediate tax bill. The 5-10x lifetime multiplier is the real number — and the multiplier worsens the younger you are. Always look at the lifetime impact before deciding.
Confusing 401(k) and IRA rules.The first-time-home-buyer exception is IRA-ONLY ($10K lifetime cap). 401(k)s have NO first-home exception. Rule of 55 is 401(k)-only (and only for THAT employer’s plan). QDRO is 401(k)-friendly; IRAs use a different transfer mechanism. Don’t assume rules port between account types.
Skipping the 401(k) loan path.For working employees confident they’ll stay 5+ years, the 401(k) loan is dramatically better: up to $50,000, no tax, no penalty, you repay yourself. The catch — leaving the employer triggers 60-90 day full-repayment — is a real risk for unstable employment, but for stable workers, it’s a near-free alternative to withdrawal.
Assuming hardship = penalty-free.A 401(k) “hardship withdrawal” is a category some plans allow for documented immediate financial need (medical, tuition, eviction, casualty). It’s STILL subject to the 10% penalty AND income tax — the “hardship” status only allows the withdrawal to happen at all. To waive the penalty, you need a 72(t) exception (medical >7.5% AGI, disability, etc.).
Starting a SEPP / Rule 72(t) without modeling modification risk. Once you start substantially equal periodic payments, you commit for the LONGER of 5 years OR until age 59½. Modifying the schedule retroactively triggers the 10% penalty on ALL prior payments PLUS interest. Useful for early retirees with stable circumstances; risky for anyone whose financial situation might change.

Methodology & Sources

The 10% additional tax is defined by Internal Revenue Code Section 72(t). The 13+ exceptions are enumerated in IRS Topic No. 558 (older Section 72(t) list) plus SECURE Act 2.0 (Public Law 117-328, December 2022) which added the disaster, terminal illness, domestic abuse, birth/adoption, and emergency-expense exceptions. Federal income tax brackets reflect 2026 IRS Publication 15-T withholding tables; state rates are cross-checked against state revenue department publications. The 5-10x lifetime opportunity cost multiplier is consistent with peer-reviewed retirement research from Boston College’s Center for Retirement Research working-paper series.

The calculator does NOT model: (1) Roth 401(k) contribution vs earnings ordering (Roth contributions can be withdrawn tax-free and penalty-free at any age; earnings are subject to both tax and penalty unless 59½ + 5-year aging rule), (2) state retirement-income exemptions (PA, IL, MS exempt qualified retirement income; consult your state revenue dept), (3) the AMT (alternative minimum tax) which can apply to large withdrawals, (4) the SS-wage-base step-down (FICA drops 6.2% above ~$172K 2026, but FICA doesn’t apply to retirement- plan distributions anyway), or (5) plan-specific loan vs withdrawal rules (some plans don’t allow non-hardship in-service withdrawals at all).

How to Read the Verdict

Decision score 65+: workable.Either an IRS exception applies (waiving the 10% penalty) OR you’re close enough to retirement that the lifetime opportunity cost is small. Take the withdrawal if needed; verify the exception documentation carefully (IRS audits these).
Decision score 40-64: marginal. No clean exception, but the financial need may be genuine. Exhaust alternatives first: 401(k) loan (no tax/penalty), HELOC (~7-9% rates 2026), unsecured personal loan (10-20%), or hardship-exception path if you genuinely qualify.
Decision score 20-39: don’t.Lifetime opportunity cost dominates. The 5-10x multiplier means you’re trading ~$100K future for ~$15-20K today on a $30K withdrawal. Almost always wrong.
Decision score under 20: almost certainly the wrong call. Young age + no exception + large multiplier. The math is brutal. Find another path.

Before withdrawing: check if you’re on track via the Retirement Savings calculator. Verify your true marginal rate INCLUDING the withdrawal in the Tax Bracket calculator. If the withdrawal is to pay debt, run the Debt Payoff calculator first — many high-interest debts cost less than the lifetime withdrawal cost. To model the compound impact at different horizons, the Compound Interest calculator surfaces the lifetime gap explicitly.

Sources & Methodology

The formulas, thresholds, and benchmarks behind this calculator are anchored to the primary sources below. Where a study or agency document is the underlying authority, we link straight to it — not a summary or republished version.

IRS Publication 575 — Pension and Annuity Income· Internal Revenue Service
Authoritative federal source on retirement plan distributions including the 10% early-withdrawal additional tax, exception list, and reporting requirements.
Accessed 2026-05-05
IRS Topic No. 558 — Additional Tax on Early Distributions from Retirement Plans· Internal Revenue Service
Plain-language summary of Section 72(t) early-distribution rules — the 10% additional tax, the 13 enumerated exceptions, and the IRA-vs-401(k) exception differences.
Accessed 2026-05-05
SECURE Act 2.0 (Public Law 117-328) — Distribution Exception Expansions· U.S. Congress
December 2022 federal law that added permanent penalty-free distribution exceptions: federally-declared disaster ($22K cap), terminal illness, domestic abuse ($10.3K cap), birth/adoption ($5K), and emergency expenses ($1K/yr).
Accessed 2026-05-05
IRS Notice 2022-6 — Substantially Equal Periodic Payments (Rule 72(t))· Internal Revenue Service
Most recent IRS guidance on the SEPP / Rule 72(t) calculation methods (RMD, fixed amortization, fixed annuitization) and the modification rules that trigger retroactive penalty + interest.
Accessed 2026-05-05
Munnell, Hou & Sanzenbacher — Center for Retirement Research at Boston College· Boston College CRR
Peer-reviewed retirement research consistently quantifying the lifetime cost of pre-retirement withdrawals; 5-10x opportunity-cost multiplier cited in this calculator's verdict copy is supported by their working-paper series.
Accessed 2026-05-05

Frequently Asked Questions

The most common questions we get about this calculator — each answer is kept under 60 words so you can scan.

What is the 401(k) early withdrawal penalty?
10% additional federal tax on top of regular income tax, applied when you take a distribution from a 401(k) before age 59½ and no IRS exception applies. The penalty is in addition to federal + state income tax — combined hit is typically 35-50% of the gross withdrawal for middle-to-high earners. Authority: IRS Topic No. 558 and Section 72(t) of the Internal Revenue Code.
How much will I receive after penalty and tax on a $30,000 withdrawal?
For a typical $100K earner under 59½ in a state with 5% income tax: $30,000 gross − $3,000 penalty (10%) − $7,200 federal tax (24%) − $1,500 state tax (5%) = $18,300 net. Effective cost: 39%. The same $30,000 left invested at 7% for 20 years would compound to ~$116,000 — making the true cost ~$98,000 of foregone retirement wealth.
What are the IRS exceptions to the 10% early withdrawal penalty?
Major exceptions: total/permanent disability, unreimbursed medical expenses >7.5% of AGI, Rule of 55 (separated from employer at age 55+, that employer's plan only), Substantially Equal Periodic Payments (SEPP / Rule 72(t)), Qualified Domestic Relations Order (QDRO from divorce). SECURE Act 2.0 added: federally-declared disaster ($22K cap), terminal illness, domestic abuse victim ($10.3K cap), birth/adoption ($5K). The first-time home buyer exception is IRA-only — 401(k) does NOT have a first-home exception.
What's the Rule of 55?
If you separate from service (retire, quit, or are laid off) in or after the calendar year you turn 55, you can take penalty-free withdrawals from THAT employer's 401(k) — but ONLY that plan. IRAs and previous-employer 401(k)s remain subject to the 10% penalty until age 59½. Public-safety employees (police, fire, ems) get the rule at age 50. Income tax still applies at your marginal rate.
Should I take a 401(k) loan instead of an early withdrawal?
Almost always yes if you have a 401(k) loan option (most plans do). Loan limits: lesser of 50% of vested balance or $50,000. No tax, no penalty. You repay yourself with interest (typically prime + 1%) into your own account. The big catch: leaving the employer triggers full repayment within 60-90 days; if not repaid, the unpaid balance is treated as an early withdrawal with full tax + penalty. For employees confident they'll stay 5+ years, the loan is dramatically better than a withdrawal.
What's a 401(k) hardship withdrawal?
A specific category of withdrawal allowed by some plans for documented immediate and heavy financial need: medical, principal residence purchase, tuition, eviction prevention, funeral, casualty repairs. Hardship withdrawals are still subject to the 10% penalty AND income tax — they're not penalty-free. The 'hardship' status only allows the withdrawal to happen at all (some plans don't allow non-hardship in-service withdrawals); it doesn't waive any tax. SECURE Act 2.0 made hardship rules slightly more flexible (self-certification allowed, no longer require exhaustion of plan loans first).
How does the SECURE Act 2.0 affect 401(k) early withdrawals?
SECURE 2.0 (December 2022) added several new penalty-free exceptions: federally-declared disaster ($22K cap, 3-year repayment window), terminal illness (physician-certified, life expectancy ≤7 years), domestic abuse victim ($10.3K cap, self-certification allowed), birth/adoption ($5,000 per parent), and emergency expenses ($1,000 per year, repayable within 3 years). It also raised the RMD age to 73 (and 75 by 2033) and increased catch-up contribution limits.
Do I have to pay the 10% penalty even if I lose my job?
Job loss alone doesn't waive the penalty unless: (1) you're 55+ in the year of separation (Rule of 55), (2) you start substantially equal periodic payments (SEPP / Rule 72(t)), (3) you have a qualifying SECURE 2.0 exception (disaster, abuse, etc.), or (4) you have a hardship cause that meets a specific exception (large medical bills exceeding 7.5% of AGI). Routine unemployment, severance, or layoff doesn't trigger an exception by itself. The COBRA/health-insurance-premium exception is IRA-only, not 401(k).
What states tax 401(k) withdrawals?
Most states tax withdrawals at your state marginal rate (4-13%). Exempt: TX, FL, WA, AK, NV, SD, WY (no state income tax). Lower-than-marginal: Some states (IL, MS, PA, NH partial) exempt qualified retirement income; consult your state revenue dept. NH and TN tax dividends/interest only — NH was phased out by 2027, TN repealed in 2021. NY taxes 401(k) withdrawals fully; CA at 9.3% top rate; NJ at 10.75% top rate.
Can I avoid the early withdrawal penalty with a 72(t) plan?
Yes — Substantially Equal Periodic Payments (SEPP), also called Rule 72(t). You commit to taking equal periodic payments for the LONGER of 5 years OR until you reach age 59½. Three calculation methods: required minimum distribution (RMD), fixed amortization, or fixed annuitization. Once started, you cannot modify the schedule without retroactive penalty + interest on all prior payments. Useful for early retirees with significant assets but no ordinary income; risky if your circumstances might change.
Is a Roth 401(k) early withdrawal treated the same?
No — Roth contributions can be withdrawn tax-free and penalty-free at any age (since you already paid tax going in). Roth EARNINGS withdrawn before age 59½ AND the 5-year aging rule are subject to BOTH income tax AND the 10% penalty (unless exception applies). Plan administrators track basis vs earnings on Roth distributions. The first-in-first-out ordering rule means Roth contributions come out first; only after exhausting contributions do you tap earnings (and trigger the tax + penalty).
How does the lifetime opportunity cost work?
The withdrawn amount, left invested at expected return, compounds over your years to retirement. A $30K withdrawal at age 45 with 20 years to retirement at 7% return = ~$116K future value. Net cash today: ~$18K after penalty + tax. Real cost: ~$116K - $18K = ~$98K of foregone retirement wealth. The 5-10x lifetime multiplier explains why the verdict is almost always 'don't' for under-59½ workers without a genuine exception. The earlier the age, the more brutal the math.