Changing jobs is one of the most common triggers for a 401(k) rollover. Here’s exactly how to do it, what to watch out for, and which option is best for your situation.
Quick answer: Always choose direct rollover (tax-free). Roll to IRA for most investment options, or new 401k to consolidate. Never cash out—you’ll lose 30%+ to taxes and penalties.
Your 401(k) Rollover Options
| Option | What It Means | Pros | Cons |
|---|---|---|---|
| Roll over to IRA | Transfer to a traditional or Roth IRA at a brokerage | Widest investment options, lower fees | Pro-rata rule for backdoor Roth |
| Roll over to new employer 401(k) | Transfer to your new job’s retirement plan | Keep everything in one place | Limited to new plan’s investments |
| Leave it in old 401(k) | Do nothing—money stays put | No action needed | Old plan fees, limited access, easy to forget |
| Cash out | Take the money as cash | Immediate access | Taxes + 10% penalty if under 59½ |
The Math on Cashing Out (Don’t Do This)
$50,000 401(k) Balance, Age 35, 22% Tax Bracket
| Option | Tax | Penalty | Net Amount | Lost Retirement Value at 65* |
|---|---|---|---|---|
| Roll over (no tax) | $0 | $0 | $50,000 | $0 |
| Cash out | $11,000 | $5,000 | $34,000 | $283,000 |
*Assuming 7% annual return for 30 years. That $50,000 would grow to $380,000.
Cashing out costs you $283,000 in lost retirement savings.
How to Do a Direct Rollover (Step by Step)
Rolling to an IRA
| Step | Action | Timeline |
|---|---|---|
| 1 | Open a traditional IRA at your brokerage (Fidelity, Vanguard, Schwab) | 15 minutes online |
| 2 | Call your old 401(k) plan administrator | Have plan number and SSN ready |
| 3 | Request a “direct rollover” to your new IRA | Specify the account number |
| 4 | Choose to send via check (made to brokerage FBO you) or wire transfer | Wire is faster |
| 5 | Verify funds arrive in your IRA | 3-10 business days |
| 6 | Invest the money (it may arrive as cash) | Same day you receive it |
Rolling to a New Employer 401(k)
| Step | Action | Timeline |
|---|---|---|
| 1 | Confirm your new employer’s plan accepts rollovers | Ask HR or plan administrator |
| 2 | Get new plan’s rollover instructions and account number | From new plan administrator |
| 3 | Contact old 401(k) administrator, request direct rollover to new plan | Provide new plan details |
| 4 | Complete any required paperwork for both plans | Varies |
| 5 | Verify funds arrive in new plan | 1-3 weeks |
Direct vs. Indirect Rollover
| Feature | Direct Rollover | Indirect Rollover |
|---|---|---|
| How it works | Money goes directly from old plan to new plan/IRA | Check is sent to you; you deposit it within 60 days |
| Tax withholding | None | 20% mandatory withholding |
| Deadline | None | 60 days to deposit |
| Risk | Very low | High—miss the 60 days and it’s a taxable distribution |
| Recommended? | Always | Almost never |
The Indirect Rollover Trap
If you receive a $50,000 distribution check from an indirect rollover:
| What Happens | Amount |
|---|---|
| You receive | $40,000 (after 20% withholding) |
| To avoid taxes, you must deposit | $50,000 (the full original amount) |
| Out-of-pocket to make up the difference | $10,000 |
| If you only deposit $40,000 | $10,000 is treated as a taxable distribution |
| Tax on $10,000 (22% bracket) | $2,200 |
| Early withdrawal penalty (if under 59½) | $1,000 |
| Total cost of the indirect rollover mistake | $3,200 |
Always choose a direct rollover.
Traditional 401(k) to Roth IRA Conversion
You can roll a traditional 401(k) directly into a Roth IRA, but you’ll owe income tax on the entire amount:
| 401(k) Balance | Tax Bracket | Tax Owed | Net Benefit Over Time* |
|---|---|---|---|
| $25,000 | 22% | $5,500 | Tax-free growth forever |
| $50,000 | 22% | $11,000 | Tax-free growth forever |
| $100,000 | 24% | $24,000 | Tax-free growth forever |
| $200,000 | 32% | $64,000 | Tax-free growth forever |
*Roth conversions make the most sense when you’re in a lower tax bracket now than you expect in retirement.
When a Roth Conversion Makes Sense
| Situation | Convert to Roth? |
|---|---|
| Between jobs (lower income year) | Yes—lower tax bracket |
| Early career (low income) | Yes—pay less tax now |
| Expect higher taxes in retirement | Yes—lock in today’s rate |
| Large 401(k) balance and high bracket now | Maybe—consider partial conversion |
| Near retirement with high income | Usually no—high tax cost now |
| Need the money within 5 years | No—5-year rule on conversions |
IRA vs. New 401(k): Which Is Better?
| Factor | Roll to IRA | Roll to New 401(k) |
|---|---|---|
| Investment options | Thousands of funds, ETFs, stocks | Limited to plan menu |
| Fees | Typically 0.03-0.20% | 0.05-1.0%+ |
| Backdoor Roth compatibility | NO—triggers pro-rata rule | YES—keeps IRA clean |
| Creditor protection | Varies by state | Federal protection (ERISA) |
| Loan option | No | Maybe (if plan allows) |
| Required minimum distributions | Starting at 73 | Starting at 73 (can delay if still working) |
| Simplicity | One account you fully control | Managed through employer |
The Backdoor Roth Rule
If you plan to use the backdoor Roth IRA strategy, do NOT roll your 401(k) into a traditional IRA. Roll it to your new employer’s 401(k) instead. Having pre-tax IRA money triggers the pro-rata rule, which makes backdoor Roth conversions partially taxable.
Special Situations
Employer Stock in Your 401(k) (Net Unrealized Appreciation)
If your 401(k) holds employer stock, consider Net Unrealized Appreciation (NUA):
| Feature | NUA Strategy | Regular Rollover |
|---|---|---|
| How it works | Transfer employer stock to taxable account; pay income tax only on cost basis | Roll everything to IRA; all growth taxed as ordinary income |
| Tax on growth | Long-term capital gains (15-20%) | Ordinary income (up to 37%) |
| Best when | Large appreciation in employer stock | Stock hasn’t appreciated much |
Roth 401(k) Rollover
| From | To | Tax Implications |
|---|---|---|
| Roth 401(k) | Roth IRA | No tax (Roth to Roth) |
| Roth 401(k) | Traditional IRA | Not allowed |
| Roth 401(k) | New Roth 401(k) | No tax (if plan accepts) |
Multiple Old 401(k)s
| Number of Old Plans | Best Approach |
|---|---|
| 1 old 401(k) | Single rollover to IRA or new plan |
| 2-3 old 401(k)s | Consolidate all into one IRA |
| 4+ old 401(k)s | Definitely consolidate—too many to track |
Step-by-Step: How to Roll Over a 401(k) to an IRA
Rolling over sounds complicated but typically takes 2–4 weeks and requires only a few phone calls or online steps.
Step 1: Open an IRA at your chosen brokerage Before you contact your old employer’s plan, open the destination account. Fidelity, Vanguard, and Schwab offer free traditional and Roth IRAs with no account minimums. Have the account number ready before you call the old plan.
Step 2: Contact your old 401(k) plan administrator Call the number on your old 401(k) statements or log into the online portal. Request a direct rollover to an IRA. Specify:
- The receiving institution name and address
- Your IRA account number
- Whether you want a check made out to the new institution (FBO your name) or a wire transfer
Step 3: Choose your investment funds When the money arrives in your IRA, it will sit in cash. You must manually invest it. Don’t let it sit idle — time in the market matters. A simple three-fund portfolio or a target-date fund is appropriate for most rollovers.
Step 4: Confirm receipt and verify amount Check that the full balance arrived. The sending plan may liquidate positions and transfer cash, which can take 3–10 business days after they initiate the transfer.
Step 5: Invest the cash The most common post-rollover mistake is leaving the money in cash. Log in after a few business days and allocate to your target funds. If you’re unsure what to invest in, a target-date fund matching your expected retirement year (e.g., Vanguard Target Retirement 2050) is a sensible default that auto-rebalances over time.
How long it takes: Most direct rollovers complete in 1–3 weeks. Accounts with employer stock (company shares) or alternative investments may take longer or require special handling. If your old plan holds company stock with significant appreciation, ask about Net Unrealized Appreciation (NUA) tax treatment before rolling over — it can save substantial taxes.
Rollover Decision Guide
| Your Situation | Best Move | Reason |
|---|---|---|
| Leaving a job, no immediate new employer | Roll to IRA | Most flexibility, widest fund selection |
| Starting at new employer with strong plan | Roll to new 401(k) | Consolidates accounts, may have better funds |
| Planning backdoor Roth IRA | Roll to new 401(k) or leave in old | Avoids pro-rata tax rule on IRA |
| Old plan has unique low-cost funds (e.g., institutional index) | Leave in old plan | Sometimes old plans have funds you can’t replicate |
| Multiple old plans | Consolidate all to one IRA | Easier to manage, track, and rebalance |
| Age 55+ and separated from service | Be careful rolling to IRA | You lose the Rule of 55 exception for penalty-free withdrawals |
Common Rollover Mistakes
| Mistake | Consequence | How to Avoid |
|---|---|---|
| Choosing indirect rollover | 20% withheld, 60-day deadline | Always request direct rollover |
| Missing the 60-day deadline | Full amount taxed + 10% penalty | Use direct rollover |
| Forgetting to invest the cash | Money sits in cash, missing market gains | Invest immediately after rollover |
| Rolling to Roth without tax planning | Unexpected large tax bill in April | Calculate tax impact first |
| Keeping it in old plan forever | Forgotten accounts, higher fees | Consolidate when you change jobs |
| Cashing out instead of rolling over | Taxes + penalties + lost growth | Roll over, period |
Before rolling over, review before you rollover your 401(k) for the full decision checklist, and direct vs. indirect rollover to choose the right transfer method. For tax implications, see 401(k) rollover tax rules. Return to the 401(k) Rollover Guide hub.
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