How Much Is the Penalty to Withdraw From a 401k?

Pulling money out of a traditional 401k before age 59½ generally costs about 30% to 40% of the withdrawal once you add up the 10% federal early-withdrawal penalty, ordinary federal income tax, and state income tax. The penalty to withdraw from a 401k is a flat 10% under federal law, but the income tax layered on top is what makes the total bite so large — and several exceptions can eliminate the penalty entirely.

How the 10% Early Withdrawal Penalty Works

Internal Revenue Code Section 72(t) imposes a 10% additional tax on any distribution taken from a 401k before you reach age 59½.¹ The 10% applies to the portion of the withdrawal that counts as taxable income. For a traditional 401k funded entirely with pre-tax contributions, that’s the whole distribution. Pull $50,000, and the penalty alone is $5,000.

The penalty is an excise tax calculated on the size of the taxable distribution, separate from your other income tax. Missing the 59½ cutoff by a single day means the full penalty applies.²

Income Tax Stacked on Top of the Penalty

Every taxable dollar you withdraw from a traditional 401k gets added to your ordinary income for the year you receive it.² A large distribution can push part of your income into a higher federal bracket. A single filer earning $90,000 sits in the 22% bracket, but a $20,000 withdrawal would push income past the $105,700 threshold where 24% starts.

Most states with an income tax treat the distribution as taxable income too. State rates run roughly from 2% to over 13%. Federal income tax, state income tax, and the 10% penalty stack together, which is why the number that lands in your account is so much smaller than the number that left the plan.

What a $30,000 Withdrawal Actually Costs

Say you’re a single filer in the 22% federal bracket, you live in a state with a 5% income tax, and you take $30,000 out of your traditional 401k at age 45. The rough breakdown:

10% early withdrawal penalty: $3,000
Federal income tax at 22%: $6,600
State income tax at 5%: $1,500
Total taxes and penalties: $11,100
Net cash you keep: about $18,900

That’s roughly 37% of the withdrawal gone. If the distribution pushes any of your income into the next federal bracket, the federal share climbs further. This math also ignores the long-term cost of the growth that money would have earned inside the account.

The 20% That Comes Off the Top

When your plan sends the money directly to you rather than rolling it to another retirement account, federal law requires the administrator to withhold 20% for federal income tax before you see a dollar.³ On a $10,000 distribution, you receive $8,000, and $2,000 heads straight to the IRS as a prepayment of income tax.

That 20% is not the 10% penalty. It’s an advance on your income tax liability. You settle up both amounts when you file your return, and if the 20% didn’t cover your combined income tax plus penalty, you owe the difference.

A direct rollover — where the plan sends the funds straight to another retirement account without them passing through your hands — avoids the 20% withholding and avoids the penalty entirely.⁴

Exceptions That Waive the 10% Penalty

Several situations allow you to take an early distribution without the 10% penalty. Income tax still applies in most cases, but the extra 10% goes away.⁵

Separation From Service at 55 or Older

If you leave your employer during or after the calendar year you turn 55, distributions from that employer’s 401k are penalty-free. This is often called the Rule of 55.⁶ Public safety employees of state or local governments qualify at 50 instead. The exception only covers the plan tied to the job you left, not 401k accounts from earlier employers.

Disability, Death, and IRS Levy

Distributions after total and permanent disability, distributions to beneficiaries after the account owner’s death, and amounts the IRS levies to collect unpaid taxes are all exempt from the 10% penalty.

Qualified Domestic Relations Order

During a divorce, a court can issue a Qualified Domestic Relations Order directing the plan to pay part of the account to a former spouse. Distributions under a valid QDRO escape the 10% penalty.⁷

Unreimbursed Medical Expenses

You can avoid the penalty on the portion of an early withdrawal used for unreimbursed medical expenses that exceed 7.5% of your adjusted gross income.⁸

Substantially Equal Periodic Payments

Section 72(t)(2)(A)(iv) lets you avoid the penalty by taking a schedule of substantially equal periodic payments based on your life expectancy. The payments must continue until the later of five years from the first payment or the date you turn 59½. Modify or stop them early, and the IRS retroactively applies the 10% penalty to every payment you received.⁹ You must have separated from the employer maintaining the plan before the payments begin.

Birth or Adoption

Up to $5,000 per child can be withdrawn penalty-free for qualified birth or adoption expenses. Each parent can claim the limit separately, so a couple can pull up to $10,000 for the same child.

SECURE 2.0 Additions

The SECURE 2.0 Act, passed in late 2022, added more penalty-free categories. Not every plan has adopted them yet, so confirm availability with your administrator.

Terminal illness certified by a physician as expected to result in death within 84 months; the distribution can be repaid within three years.
Emergency personal expenses up to $1,000 per year, starting in 2024. You can’t take another for three calendar years unless you repay the first.
Domestic abuse by a spouse or domestic partner, up to the lesser of $10,000 (indexed) or 50% of your vested balance, taken within one year of the abuse.
Federally declared disasters, up to $22,000, with the option to spread the income over three tax years or repay the full amount within three years.¹⁰

Hardship Withdrawals Do Not Skip the Penalty

Many plans allow hardship withdrawals for immediate and heavy financial needs, and it’s a common misunderstanding that “hardship” removes the penalty. It doesn’t. A hardship withdrawal still owes both income tax and the 10% penalty unless you independently qualify for one of the exceptions above.¹¹

Ways to Avoid the Penalty Entirely

A 401k Loan

If your plan permits it, borrowing from your 401k avoids the penalty and the income tax so long as you repay on schedule. You can borrow up to the lesser of $50,000 or 50% of your vested balance, with a $10,000 floor.¹² Loans generally must be repaid within five years through substantially level payments at least quarterly. A loan used to buy your primary residence can have a longer term.

The risk is leaving your job with a balance outstanding. The unpaid amount is then treated as a distribution. You can still avoid taxes and the penalty by rolling the balance to an IRA or another eligible plan by the due date of that year’s tax return, including extensions.¹³ Miss that deadline and you owe income tax plus the 10% penalty on the unpaid amount.

The 60-Day Rollover

If you already took the distribution and now realize you don’t need it, you have 60 days from receipt to deposit the funds into another eligible retirement account. Complete the rollover in time and the distribution becomes tax-free with no penalty.⁴ The catch is the mandatory 20% withholding. If $10,000 was distributed and $2,000 was withheld, you only got $8,000. To roll over the full $10,000, you have to pull the missing $2,000 from your own pocket. You’ll recover the withheld amount as a refund when you file.

Roth 401k Withdrawals

The penalty math changes if the account is a Roth 401k. Because you already paid income tax on your contributions, only the earnings portion of an early withdrawal is subject to income tax and the 10% penalty. The statute imposes the penalty on the portion “includible in gross income,” and your Roth contributions aren’t.¹

Early Roth 401k distributions are prorated between contributions and earnings. If your account holds $18,000 in contributions and $2,000 in earnings and you withdraw $10,000, roughly $9,000 comes out as a tax-free return of contributions and $1,000 as taxable earnings subject to the 10% penalty. After 59½, once the account has been open at least five years, everything comes out tax-free.

The Cost You Don’t See on the Tax Return

The taxes and penalty are the visible bill. The bigger cost is the growth you forfeit. A $30,000 withdrawal at age 35, at an assumed 7% average annual return, would have grown to roughly $116,000 by age 55 and over $160,000 by age 60. Annual contribution limits cap how much you can put back in, so future contributions alone won’t rebuild that balance.

Reporting the Withdrawal at Tax Time

After year-end, your plan administrator issues Form 1099-R showing the distribution amount, the federal tax withheld, and a distribution code indicating whether the penalty applies.¹⁴ You should receive it by January 31. The information flows onto your federal return.

If you qualify for an exception but the 1099-R doesn’t reflect it — for example, it shows code 1 (early distribution, no known exception) when you actually qualify — you claim the exception on Form 5329 by entering the exception number and the amount excluded from the penalty.¹⁵ Keep documentation of your eligibility, such as medical records, separation-from-service dates, or a QDRO copy, in case the IRS asks.

1
Office of the Law Revision Counsel. 26 USC 72 – Annuities; Certain Proceeds of Endowment and Life Insurance Contracts
2
Internal Revenue Service. 401(k) Resource Guide – Plan Participants – General Distribution Rules
3
Office of the Law Revision Counsel. 26 USC 3405 – Special Rules for Pensions, Annuities, and Certain Other Deferred Income
4
Internal Revenue Service. Rollovers of Retirement Plan and IRA Distributions
5
Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
6
Internal Revenue Service. Retirement Topics – Significant Ages for Retirement Plan Participants
7
Internal Revenue Service. Retirement Topics – QDRO: Qualified Domestic Relations Order
8
Internal Revenue Service. Topic No. 502, Medical and Dental Expenses
9
Internal Revenue Service. Substantially Equal Periodic Payments
10
Internal Revenue Service. Retirement Plans and IRAs Under the SECURE 2.0 Act of 2022
11
Internal Revenue Service. 401(k) Plan Hardship Distributions – Consider the Consequences
12
Internal Revenue Service. Retirement Topics – Plan Loans
13
Internal Revenue Service. Fixing Common Plan Mistakes – Plan Loan Failures and Deemed Distributions
14
Internal Revenue Service. 2025 Instructions for Forms 1099-R and 5498
15
Internal Revenue Service. Instructions for Form 5329