You can withdraw from a 401(k) early, but if you’re under 59½ the IRS will generally take a 10% penalty on top of ordinary income tax, and your plan will hold back another 20% up front. Federal law does allow penalty-free access in specific situations, and the SECURE 2.0 Act recently added a few more. Whether you qualify for one of those carve-outs or you’re going ahead anyway, the real cost is usually larger than people expect.
What an Early Withdrawal Actually Costs
Every dollar you pull from a traditional 401(k) counts as ordinary income for the year you receive it, regardless of your age. That income stacks on top of your wages and can push you into a higher tax bracket.1Office of the Law Revision Counsel. 26 USC 72 Annuities; Certain Proceeds of Endowment and Life Insurance Contracts
If you’re under 59½, the IRS also adds a 10% additional tax. The penalty applies to the full taxable portion of the distribution, not just a slice of it.2Office of the Law Revision Counsel. 26 USC 72(t) – 10-Percent Additional Tax on Early Distributions From Qualified Retirement Plans
Your plan administrator will not hand you the full amount. When a distribution is paid directly to you rather than rolled into another retirement account, the administrator must withhold 20% for federal income taxes before cutting the check.3Internal Revenue Service. Rollovers of Retirement Plan and IRA Distributions That 20% is a prepayment toward your total federal tax bill for the year, not the penalty. The 10% penalty is calculated and owed separately when you file. Depending on your state, you may also face state income tax withholding, which runs from roughly 3% to over 8% in states that impose it.
Here’s what the math tends to look like. Say you withdraw $20,000 at age 45 and your combined federal and state marginal tax rate is 24%. The plan withholds 20% ($4,000) up front. You owe the 10% penalty ($2,000) plus any remaining income tax when you file. After all obligations, you might net roughly $13,000 to $14,000 from that $20,000 withdrawal. The exact figure depends on your total income and state, but the pattern holds: you lose a lot.
The Cost You Don’t See on the Tax Bill
Taxes and the penalty are the obvious hit. The less obvious one is what the money would have become if you’d left it alone. A $25,000 withdrawal at age 40, at a 7% average annual return, would have grown to roughly $135,000 by age 65. That lost future growth is often the real price.
When the 10% Penalty Does Not Apply
Federal law carves out several situations where you can take money out of a 401(k) before 59½ without owing the extra 10%. You still owe regular income tax in most cases, but the penalty disappears. The exceptions that apply to 401(k) plans include:4Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
- Separation from service in or after the calendar year you turn 55. Commonly called the “Rule of 55,” this applies only to the plan held by the employer you separated from, not to prior-employer plans you’ve rolled into an IRA.
- Separation from service at age 50 for qualifying public safety employees, including firefighters, law enforcement officers, corrections officers, customs and border protection officers, air traffic controllers, and certain federal employees, from a governmental plan.
- Total and permanent disability, where a physician certifies that a physical or mental condition is expected to last indefinitely or result in death.5Internal Revenue Service. Retirement Topics – Disability
- Substantially equal periodic payments (SEPP), a series of payments based on your life expectancy that must continue for at least five years or until you reach 59½, whichever is longer. Modify or stop the payments early and the IRS retroactively imposes the 10% penalty on every distribution taken.2Office of the Law Revision Counsel. 26 USC 72(t) – 10-Percent Additional Tax on Early Distributions From Qualified Retirement Plans
- Unreimbursed medical expenses that exceed 7.5% of your adjusted gross income for the year, up to the excess amount.
- Distributions to a former spouse or dependent under a Qualified Domestic Relations Order (QDRO) issued in a divorce or legal separation.
- Distributions to beneficiaries after the participant’s death, regardless of the beneficiary’s age.
- Distributions taken because the IRS has levied the plan to collect unpaid taxes.
These exceptions apply only to 401(k)s and other qualified employer plans. IRAs have an overlapping but different list. Once you roll a 401(k) into an IRA, the Rule of 55 no longer applies to those funds.
Newer Exceptions Under SECURE 2.0
The SECURE 2.0 Act, which began rolling out provisions in 2024 and 2025, added several penalty-free withdrawal categories. Most are optional plan provisions, so not every employer has adopted them. Check with your plan administrator before assuming you qualify.
Terminal Illness
If a physician certifies that you have a condition reasonably expected to result in death within 84 months (seven years), you can withdraw any amount from your 401(k) without the 10% penalty. Income tax still applies, but you can repay the funds within three years and amend your return to recover the tax.
Emergency Personal Expenses
Plans that adopt this provision allow one penalty-free withdrawal per year of up to $1,000 for an unforeseeable personal or family emergency. If you don’t repay within three years, you cannot take another emergency distribution during that window. Repay the amount, and the following year you can take another $1,000.6Internal Revenue Service. 401(k) Resource Guide – Plan Participants – General Distribution Rules
Domestic Abuse Survivors
A participant who self-certifies as a victim of domestic abuse can withdraw the lesser of $10,000 (adjusted annually for inflation) or 50% of the vested account balance without the 10% penalty. The withdrawal must occur within one year of the abuse. Only a written self-certification is required; a police report or court order is not. The distribution is taxable, but you can repay it within three years to recover the tax.7Internal Revenue Service. Domestic Abuse Victim Distributions Under SECURE 2.0 Act
Hardship Withdrawals Are Not the Same as Penalty Exceptions
This distinction trips people up. A hardship withdrawal lets you access your 401(k) while still employed, but it does not automatically waive the 10% penalty. You’ll owe both income tax and the penalty unless your specific hardship also falls under one of the recognized exceptions above (medical expenses over 7.5% of AGI, for example).
To qualify, you must show an immediate and heavy financial need that you cannot reasonably meet through other resources, and provide a written statement that you lack sufficient cash or liquid assets to cover it.8eCFR. 26 CFR 1.401(k)-1 – Certain Cash or Deferred Arrangements – Section: Distribution Limitation The IRS treats these categories as automatically meeting the “immediate and heavy” standard:
- Unreimbursed medical expenses for you, your spouse, or dependents.
- Payments needed to prevent eviction from your home or foreclosure on your mortgage.
- Tuition and related costs, including room and board, for the next 12 months of post-secondary education for you, your spouse, or dependents.
- Funeral or burial costs for a parent, spouse, child, or dependent.
- Costs directly related to buying a primary residence (excluding mortgage payments).
- Repair of damage to your principal residence from casualty events such as fire or storms.
Your plan administrator may require documentation like medical invoices, foreclosure notices, or tuition bills. Not every 401(k) plan offers hardship withdrawals; verify with your employer or plan documents.
Before You Withdraw, Consider a 401(k) Loan
If your plan allows loans, borrowing from your own account avoids taxes and the penalty entirely, provided you repay on schedule.9Internal Revenue Service. Retirement Topics – Plan Loans
Federal law caps the loan at the lesser of 50% of your vested balance or $50,000. If you’ve had another plan loan in the past 12 months, the $50,000 ceiling is reduced by the highest outstanding balance during that period. A special rule allows a minimum loan of $10,000 even if that exceeds 50% of your balance.10Internal Revenue Service. 401(k) Plan Fix-It Guide – Participant Loans Don’t Conform to the Requirements of the Plan Document and IRC Section 72(p)
You generally have five years to repay, with payments due at least quarterly. Loans used to purchase a primary residence can stretch beyond five years. Interest you pay goes back into your own account.
The risk shows up when you leave the job. Most plans require full repayment shortly after your employment ends. If you can’t repay, the outstanding balance is treated as a taxable distribution and reported on Form 1099-R, and you’ll owe income tax and potentially the 10% penalty on the unpaid amount. You can avoid that result by rolling the outstanding balance into an IRA or another eligible plan by the due date (including extensions) of your federal tax return for the year the loan becomes a distribution.9Internal Revenue Service. Retirement Topics – Plan Loans
Roth 401(k) Money Works Differently
If your account includes Roth 401(k) contributions, the tax picture shifts. Roth contributions were already taxed, so the contribution portion of a distribution won’t be taxed again. Earnings on those contributions are treated separately. Take a distribution before age 59½ or before the account has been open for five years, and the earnings portion is subject to both income tax and the 10% penalty.
Unlike a Roth IRA, where contributions come out first, a Roth 401(k) distribution is split proportionally between contributions and earnings. You cannot pull only the contribution dollars. If your Roth 401(k) is 80% contributions and 20% earnings, every withdrawal follows that ratio. Rolling a Roth 401(k) into a Roth IRA before taking distributions gives you more flexibility, since Roth IRA ordering rules let you withdraw contributions first.
How the Withdrawal Actually Happens
Most plans process withdrawal requests through an online benefits portal, though some still use paper forms mailed to a processing center. You’ll need your Social Security number, your plan identification number, the exact dollar amount or percentage you want to withdraw, and your withholding preferences beyond the mandatory 20% federal minimum. Hardship requests require the supporting documents up front: medical bills, foreclosure notices, tuition invoices, or whatever proves the qualifying need.
Processing typically takes anywhere from a few business days to a couple of weeks. Hardship claims tend to take longer. Approved funds arrive by direct deposit or a mailed check.
If you don’t need to spend the money and instead want to move it to another retirement account, ask for a direct rollover. The check is made payable to the new plan or IRA custodian rather than to you, which avoids the 20% mandatory withholding entirely.3Internal Revenue Service. Rollovers of Retirement Plan and IRA Distributions If the distribution is paid to you personally and you later decide to roll it over, you have to come up with the withheld 20% from your own pocket to complete the full rollover within 60 days. Most people don’t have that cash sitting around, which is how partial rollovers happen by accident.
Tax Reporting After You Withdraw
Your plan administrator will send you Form 1099-R by the end of January following the year of your distribution. Box 7 contains a distribution code that tells the IRS which type of withdrawal you took.11Internal Revenue Service. Instructions for Forms 1099-R and 5498 Code 1 means an early distribution with no known exception; the administrator doesn’t know whether you qualify for a penalty waiver, so the burden falls on you. Code 2 means an early distribution where an exception already applies, such as separation from service after age 55 or an IRS levy. Other codes cover disability (3), death (4), and normal distributions at 59½ or older (7).
If your form shows Code 1 but you believe you qualify for a penalty exception, claim it on IRS Form 5329 when you file your return. Don’t assume the administrator will code it correctly. This is where most people either overpay or trigger unnecessary IRS correspondence. Keep the documentation supporting your exception in case the IRS asks later.
For SECURE 2.0 distributions that allow repayment within three years (terminal illness, domestic abuse, and qualified birth or adoption distributions), repaying the funds lets you amend your return to recover the income tax you originally paid.12Fidelity Investments. Qualified Birth or Adoption Distribution Service The three-year clock starts the day after the distribution is processed, so track that date carefully.