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401(k) & Roth projection
Traditional (401(k))
Roth
Projected at 65
$746,479
At a steady 7% average annual return.
In today's buying power
$265,286
Adjusted for 3% inflation - still real progress.
Every extra percent you add now adds up more than you'd think - and spending often looks different once you're actually retired, so treat this as a starting point for planning, not a verdict.
By Alex Diaz · How we calculate this
The most common early-retirement rule of thumb - withdraw about 4% of your portfolio each year and you're unlikely to run out of money - sets the whole math in motion. Spend $60,000 a year and that implies needing roughly $1.5 million invested before you can stop working. Because living off savings is an ongoing monthly cost, not a one-time number, your estimate weighs the monthly spending you enter, plus coverage you'd need to replace like health insurance, against your income and any existing debt.
These key factors affect early retirement affordability
The 4% rule and your number
$5,000 a month in spending - $60,000 a year - is the number that, under the 4% rule, implies you'd need roughly $1.5 million invested before walking away from work. It's a guideline, not a guarantee: the rule was built on historical returns holding up over a 30-year retirement, and an early retirement can easily mean 40 or 50 years of withdrawals, which is longer than the original research was tested against.
Health insurance before Medicare
Retire before 65 and you lose both employer coverage and Medicare eligibility in one shot. A marketplace plan fills the gap, but it's not cheap - commonly $500 to $800 a month for a couple, depending on age and state. It's also one of the most underestimated costs in early retirement planning, which is why this calculator adds it as its own $650 monthly line instead of folding it into general spending.
Sequence of returns risk
There's a timing risk that's easy to overlook: a market downturn in your first few years of retirement can do lasting damage to a portfolio's longevity, even if the long-term average return ends up perfectly fine. Two retirees with identical average returns over 30 years can end up with very different outcomes depending purely on whether the bad years landed early or late. It's why many early retirees keep one to two years of expenses sitting in cash, so a down year doesn't force them to sell investments at the worst possible time.
How to use your results
- A green result suggests your planned spending level looks sustainable against your income and savings picture.
- A yellow or red result is worth pairing with a check of your actual portfolio size against the 4% rule, not just your monthly spending target.
- Include health insurance before Medicare even if you expect to work part-time in early retirement, since coverage gaps are a common surprise cost.
- Recheck the estimate as you get closer to your target date, since healthcare and living costs tend to shift in the final years of planning.
Ways to make early retirement more affordable
- Build a cash buffer of one to two years of expenses so you're not forced to sell investments during a market downturn early in retirement.
- Consider a bridge strategy, like part-time or consulting income for a few years, to reduce how much you need to withdraw from savings before full retirement age.
- Shop ACA marketplace plans carefully, since subsidies can significantly lower the health insurance line depending on your reported income in retirement.
- Delay claiming Social Security until closer to 70 if feasible, since each year of delay past full retirement age increases your eventual monthly benefit by about 8%.
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Peer comparison data
Bureau of Labor Statistics (median income by age), Experian (credit score by age)
Used by the “how you compare” figures in the sidebar, not by the costs on this page.
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