Yes, most 401k withdrawals are taxed as ordinary income at your full tax rate

When you withdraw money from a traditional 401k, the IRS treats that withdrawal as ordinary income for the year you take it out. This means it gets added to your other income — wages, interest, rental income — and taxed at whatever rate applies to your total earnings that year. If you earn $60,000 in wages and withdraw $20,000 from your 401k, you are taxed on $80,000 of income.

The tax is withheld by your plan administrator before you receive the money, but the amount withheld is often not enough to cover what you actually owe. You may end up owing more at tax time, or you may get a refund. Either way, the withdrawal itself is taxable income in full — there is no special rate or exemption for 401k money.

Roth 401k withdrawals work differently. If you have held the account for at least five years and are age 59½ or older, withdrawals are tax-free. Before that, the earnings portion is taxed as ordinary income, though your contributions come out tax-free. Most people with Roth accounts are still years away from that five-year mark, so check your specific account type and timeline before assuming you are in the clear.

Key Takeaways

  • Traditional 401k withdrawals are added to your total income for the year and taxed at your ordinary income rate, with no special treatment.
  • Your employer withholds tax from the withdrawal, but the amount is usually estimated and may not match what you owe when you file.
  • Roth 401k withdrawals are tax-free only if you are age 59½ or older and have held the account for at least five years; otherwise, earnings are taxed as ordinary income.
  • The age 59½ rule applies to both traditional and Roth accounts — withdrawals before that age face both ordinary income tax and a 10 percent penalty, with limited exceptions.

How the tax is calculated and withheld

When you request a 401k withdrawal, your plan administrator calculates the tax withholding based on a W-4P form you fill out. This form tells them how much to hold back — usually 10, 12, 22, or 24 percent of the withdrawal amount, depending on what you choose. That money goes directly to the IRS, and you receive the rest.

The problem is that the withholding is an estimate. If you have other income, or if your withdrawal is large enough to push you into a higher tax bracket, you will owe more than was withheld. If you have little other income, you may have too much withheld and get a refund. You find out which when you file your tax return.

Some people request no withholding at all, which means they receive the full amount but owe the full tax bill later. This is risky — if you do not set aside the money or pay quarterly estimated taxes, you can end up with a large bill you cannot pay.

Early withdrawal penalties and exceptions

If you withdraw from a traditional 401k before age 59½, you owe ordinary income tax plus a 10 percent penalty on the amount withdrawn. A $20,000 withdrawal at age 45 means $2,000 in penalty alone, on top of whatever income tax applies.

A few situations let you avoid the 10 percent penalty, though you still owe ordinary income tax. These include withdrawals due to disability, withdrawals to pay unreimbursed medical expenses above 7.5 percent of your adjusted gross income, and withdrawals under a Substantially Equal Periodic Payment (SEPP) plan — a specific formula that requires you to take the same amount every year for five years or until age 59½, whichever is longer. There is also an exception for withdrawals to pay health insurance premiums if you are unemployed, and for first-time homebuyers (up to $10,000 lifetime).

These exceptions are narrow and have strict rules. If you do not follow the rules exactly — for example, if you stop taking SEPP payments early — you owe the penalty retroactively on all prior withdrawals. Talk to a tax professional before using any of these routes.

The difference between traditional and Roth 401k taxation

A traditional 401k is funded with pre-tax money. You do not pay income tax when you contribute, so the full amount reduces your taxable income that year. When you withdraw, the entire amount — contributions and earnings — is taxed as ordinary income.

A Roth 401k is funded with after-tax money. You pay income tax on contributions upfront, so withdrawals of those contributions are never taxed again. But the earnings on those contributions are taxed as ordinary income when you withdraw them, unless you meet the five-year and age 59½ rules. If you do meet both, the entire withdrawal — contributions and earnings — is tax-free.

Most people cannot withdraw from a Roth 401k tax-free until they are 59½ and have held the account for five years. If you opened a Roth 401k at age 50, you cannot take a tax-free withdrawal until age 59½ — the five-year clock does not start until you open the account, and the age rule is separate.

What happens if you need money before 59½

If you are under 59½ and need cash, a 401k withdrawal will cost you in taxes and penalties. Your other options include borrowing from your 401k (if your plan allows it), taking a hardship withdrawal (which still triggers the 10 percent penalty in most cases), or leaving the money in the account and finding cash elsewhere.

A 401k loan lets you borrow up to 50 percent of your vested balance, up to $50,000, and repay it over five years (or longer if it is for a home purchase). You pay interest to yourself, not to a bank, and the loan does not count as income. But if you leave your job, the loan usually becomes due within 60 to 90 days, or it is treated as a withdrawal and taxed plus penalized.

A hardship withdrawal is a last resort. It lets you take money out early for specific reasons — medical bills, eviction, funeral expenses — but you still owe the 10 percent penalty and ordinary income tax. The IRS does not forgive the penalty just because the reason was urgent.

State income tax on 401k withdrawals

Federal income tax is not the only tax on a 401k withdrawal. Most states also tax 401k withdrawals as ordinary income. A few states — including Pennsylvania, Illinois, and Mississippi — do not tax retirement income at all, but most do.

Your 401k plan withholds federal tax based on your W-4P form, but state withholding is separate. Some plans withhold state tax automatically; others require you to request it. If your plan does not withhold state tax, you may owe it when you file your state return. If you move to a different state after you withdraw, the state where you lived when you took the withdrawal usually taxes it, not your new state.

How to estimate what you will owe

To get a rough idea of your tax bill, add the withdrawal amount to your other income for the year and find your tax bracket. If you earn $50,000 in wages and withdraw $30,000, you are looking at $80,000 in taxable income. Look up the 2024 tax brackets for your filing status to see what rate applies to that total.

This is a rough estimate only. Your actual tax depends on deductions, credits, and other factors. The 10 percent penalty (if you are under 59½) is separate and applies to the withdrawal amount itself, not your total income.

Before you withdraw, ask your plan administrator how much they will withhold and what your estimated tax bill might be. Many plans have calculators or can give you a rough number. If the withholding will not be enough, you can request extra withholding, or you can plan to pay the difference when you file your return.

Frequently Asked Questions

Can I avoid the tax by rolling my 401k into an IRA?

A direct rollover from your 401k to a traditional IRA does not trigger any tax or penalty — the money moves between accounts without being treated as a withdrawal. But if you eventually withdraw from the IRA, that withdrawal is taxed as ordinary income just like a 401k withdrawal would be. A rollover only delays the tax; it does not eliminate it.

What if I withdraw from my 401k and then put the money back?

If you take a withdrawal and deposit it back into your 401k within 60 days, it is treated as a rollover and is not taxed. But this only works once per year, and the money must go back into a 401k or IRA — not into a regular savings account. If you miss the 60-day window, the withdrawal is taxed as ordinary income and penalized if you are under 59½.

Do I have to take withdrawals from my 401k at a certain age?

Yes. Starting at age 73 (as of 2023), you must take Required Minimum Distributions (RMDs) from your traditional 401k each year. The amount is calculated based on your age and account balance. If you do not take the full RMD, you owe a 25 percent penalty on the amount you should have withdrawn. Roth 401ks have the same RMD rule, though Roth IRAs do not.

Is there a way to withdraw 401k money without paying tax?

Not from a traditional 401k. Every withdrawal is taxed as ordinary income. The only exception is a Roth 401k withdrawal after age 59½ and five years of account ownership. If you have a Roth 401k and meet both conditions, you can withdraw the full amount tax-free.

What if my employer matches my 401k contributions — is that taxed differently?

Employer matching contributions are treated the same as your own contributions. When you withdraw, the match comes out as ordinary income, just like the rest of the account. There is no separate tax treatment for matched funds.