Quick Answer
You have 4 options when leaving your job: leave money in the old plan, roll over to your new employer's 401(k), roll over to an IRA, or cash out (not recommended). Accounts under $5,000 may be automatically distributed. You keep 100% of your contributions plus any vested employer matching.
Best Answer
Marcus Rivera, CFP
Best for employees changing jobs who want to understand all their 401(k) options
Your four main options
When you leave your job, you have four choices for your 401(k) money. The best option depends on your account balance, investment options, and personal situation.
Option 1: Leave it with your old employer
When this works well:
Potential downsides:
Important: If your balance is under $1,000, most employers will automatically cash you out and send a check. If it's $1,000-$5,000, they may roll it into an IRA for you.
Option 2: Roll over to your new employer's 401(k)
When this works well:
Process: Request a direct trustee-to-trustee transfer to avoid taxes and penalties.
Option 3: Roll over to an IRA (often the best choice)
Advantages:
Example: Let's say you have $45,000 in your old 401(k). Rolling to an IRA gives you access to thousands of investment options instead of the 10-25 typically offered in 401(k) plans.
Process: Open an IRA with a broker like Fidelity, Vanguard, or Schwab, then request a direct rollover.
Option 4: Cash out (usually a mistake)
The painful math: If you're under 59½, you'll pay:
Example: Cashing out a $30,000 401(k) at age 35 in the 22% tax bracket:
Plus, you lose decades of potential compound growth.
What happens to employer matching
You keep your vested percentage of employer contributions:
Your own salary deferrals are always 100% yours.
Timeline and deadlines
Red flags to avoid
What you should do
1. Calculate your vested balance using your latest statement
2. Compare investment options and fees between your old plan, new plan, and IRA options
3. Choose the rollover destination that gives you the best combination of investment choices and low costs
4. Request a direct trustee-to-trustee transfer to avoid taxes and penalties
5. Use our paycheck calculator to optimize your 401(k) contributions at your new job
Key takeaway: Rolling to an IRA usually offers the most investment flexibility and lowest fees, but compare your specific options. Never cash out early unless you're facing true financial emergency.
*Sources: [IRS Publication 590-A](https://www.irs.gov/pub/irs-pdf/p590a.pdf), [IRS Publication 560](https://www.irs.gov/pub/irs-pdf/p560.pdf)*
Key Takeaway: Rolling to an IRA usually offers the most investment flexibility and lowest fees, but compare your specific options. Never cash out early unless facing true financial emergency.
Comparison of your four main 401(k) options when leaving a job
| Option | Best For | Pros | Cons |
|---|---|---|---|
| Leave with old employer | Balances >$5,000, great plan | Simple, no action needed | Limited control, potential fees |
| Roll to new 401(k) | Good new plan, want simplicity | Consolidation, higher limits | Limited investment options |
| Roll to IRA | Want maximum control | Best investment options, lower fees | Lower contribution limits going forward |
| Cash out | Financial emergency only | Immediate access to cash | 20% withholding, 10% penalty, taxes |
More Perspectives
Sarah Chen, CPA
Best for early-career employees with smaller 401(k) balances who are changing jobs
Don't let a small balance fool you
Even if your 401(k) balance seems small — maybe $3,000 or $8,000 — it's worth preserving. That money can grow dramatically over your career.
Simple example: $5,000 balance at age 25
If you roll over $5,000 and it grows at 7% annually:
Cashing out that $5,000 early would cost you about $75,000 in retirement wealth.
Your likely best option: IRA rollover
For most early-career workers, rolling to an IRA makes the most sense because:
Watch out for automatic distributions
If your balance is under $1,000, your employer will likely mail you a check automatically. If it's $1,000-$5,000, they might roll it to an IRA for you (often with high fees).
What to do: Even if you get a check, you can still deposit it into an IRA within 60 days to avoid taxes and penalties.
Setting up your first IRA
1. Choose a broker: Fidelity, Vanguard, or Schwab are solid choices
2. Open a Traditional IRA (to match your pre-tax 401(k) money)
3. Request the rollover from your old 401(k) provider
4. Invest simply: A target-date fund matching your expected retirement year is perfect for beginners
Key takeaway: Even small 401(k) balances are worth preserving — $5,000 at age 25 could become $75,000 by retirement if you don't cash it out.
Key Takeaway: Even small 401(k) balances are worth preserving — $5,000 at age 25 could become $75,000 by retirement if you don't cash it out.
Marcus Rivera, CFP
Best for high earners with substantial 401(k) balances and complex financial situations
Strategic considerations for large balances
With a substantial 401(k) balance — say $200,000+ — your decision has bigger implications and more complexity.
The IRA vs. 401(k) rollover decision
IRA advantages for high earners:
New 401(k) advantages:
Advanced rollover strategies
Roth conversion opportunity: If you have a gap between jobs or lower income year, consider rolling to a Traditional IRA first, then converting some to Roth during the lower-income period.
Backdoor Roth considerations: If you're doing backdoor Roth IRA contributions, having Traditional IRA balances can trigger the pro-rata rule, complicating your tax situation.
NUA strategy: If your 401(k) holds significant company stock that's appreciated, the Net Unrealized Appreciation strategy might save thousands in taxes — but you must take a lump-sum distribution.
Fee analysis is crucial
With larger balances, fee differences compound significantly:
Key takeaway: With balances over $200,000, fee differences and investment flexibility become major factors — often favoring IRA rollovers for maximum control and cost efficiency.
Key Takeaway: With balances over $200,000, fee differences and investment flexibility become major factors — often favoring IRA rollovers for maximum control and cost efficiency.
Sources
- IRS Publication 590-A — Contributions to Individual Retirement Arrangements
- IRS Publication 560 — Retirement Plans for Small Business
Related Questions
Reviewed by Marcus Rivera, CFP on February 28, 2026
This content is for educational purposes only and is not a substitute for professional tax advice. Consult a qualified tax professional for advice specific to your situation.