Will you have enough money for retirement? Use our free calculator to project your nest egg and monthly retirement income. Plan smarter for a comfortable retirement with the 4% rule and personalized projections.
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Total Savings at Retirement
$0
Your projected nest egg
Monthly Retirement Income
$0
Using the 4% rule
Shortfall / Surplus
$0
vs. desired monthly income
Total Contributions
$0
Money you put in
Goal Progress0%
You are on track to meet your retirement goal.
Projected Growth Over Time
Age
Year
Beginning Balance
Contributions
Growth
Ending Balance
Note: With a 0% annual return, your total savings at retirement equals your current savings plus total contributions (no growth from interest).
Example Scenarios
Click any example to load its values into the calculator and see the results for yourself.
📈 Early Starter
Age 25, $10K saved
$500/mo, 7% return
Retire at 65, $4,000/mo desired
Starting early gives compound growth 40 years to work. With consistent contributions, this saver is likely to exceed their goal significantly.
💼 Mid-Life Starter
Age 35, $50K saved
$800/mo, 7% return
Retire at 65, $4,000/mo desired
Starting at 35 with a solid base and aggressive savings. 30 years of growth plus higher monthly contributions can still build a comfortable nest egg.
🏃 Late Starter
Age 45, $100K saved
$1,500/mo, 7% return
Retire at 65, $4,000/mo desired
Starting later requires higher savings rates. With only 20 years of growth, this saiver must contribute more aggressively to reach their goal.
How Different Ages Affect Your Retirement Goal
The table below shows how the same monthly contribution of $500 grows over different time horizons, assuming a 7% annual return and $10,000 starting savings.
Start Age
Retirement Age
Years to Grow
Total at 65
Monthly Income (4%)
25
65
40
$1,307,269
$4,358
30
65
35
$887,137
$2,957
35
65
30
$601,242
$2,004
40
65
25
$406,447
$1,355
45
65
20
$273,756
$913
50
65
15
$183,729
$612
Understanding the 4% Rule
The 4% rule is a retirement withdrawal guideline developed by financial planner William Bengen in 1994. It suggests that retirees can withdraw 4% of their retirement portfolio in the first year of retirement, then adjust that amount for inflation each subsequent year, with a high probability of their savings lasting at least 30 years.
The 4% Rule Formula
Annual Withdrawal = Total Savings × 0.04
Monthly Income = Total Savings × 0.04 ÷ 12
Total Savings = Your projected nest egg at retirement
0.04 = The 4% safe withdrawal rate
12 = Months per year
Key Principles of the 4% Rule
Safe Withdrawal Rate: The 4% rate was designed to ensure your portfolio lasts through market ups and downs for 30 years of retirement.
Inflation Adjustment: Each year, you increase your withdrawal by the inflation rate to maintain purchasing power.
Portfolio Composition: Bengen's research assumed a balanced portfolio of approximately 50-75% stocks and 25-50% bonds.
Historical Success Rate: The 4% rule has historically had a 95-98% success rate over 30-year retirement periods in U.S. markets.
Not a Guarantee: The rule is a guideline based on historical data. Future returns may differ, and adjustments may be needed.
What Your Nest Egg Supports
Nest Egg
Annual Income (4%)
Monthly Income
$250,000
$10,000
$833
$500,000
$20,000
$1,667
$750,000
$30,000
$2,500
$1,000,000
$40,000
$3,333
$1,250,000
$50,000
$4,167
$1,500,000
$60,000
$5,000
$2,000,000
$80,000
$6,667
$3,000,000
$120,000
$10,000
Note: The 4% rule was developed based on historical U.S. market data. Some financial experts now recommend a more conservative 3-3.5% withdrawal rate given lower expected future returns and longer retirement periods. Always consult with a qualified financial advisor for personalized retirement planning.
The 4% rule is one of the most widely cited guidelines in retirement planning. Developed by financial planner William Bengen in 1994, it provides a simple framework for determining how much you can safely withdraw from your retirement portfolio each year without running out of money over a 30-year retirement horizon.
How the 4% Rule Works
To apply the 4% rule, you multiply your total retirement savings by 4% (0.04) to determine your first-year withdrawal amount. For example, if you have $1,000,000 saved for retirement, you could withdraw $40,000 in your first year. In subsequent years, you would adjust that amount upward for inflation to maintain your purchasing power.
First-Year Withdrawal Calculation
Year 1 Withdrawal = Portfolio Value × 4%
Example: $1,000,000 × 0.04 = $40,000 per year ($3,333/month)
Key Assumptions Behind the 4% Rule
Bengen's research was based on several key assumptions. Understanding these helps you evaluate whether the 4% rule is appropriate for your situation. His analysis assumed a portfolio of 50-75% stocks and 25-50% bonds, a 30-year retirement period, and historical U.S. market returns from 1926 to 1992.
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Portfolio Mix
50-75% stocks and 25-50% bonds provided the optimal balance of growth and stability for the 4% rule to work historically.
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30-Year Horizon
The rule was designed for a 30-year retirement. For longer retirements (e.g., retiring at 55), a lower withdrawal rate may be needed.
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Inflation Adjustments
Each year's withdrawal is adjusted for inflation. This protects your purchasing power but means withdrawals grow over time.
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Market Conditions
The rule accounts for sequence-of-returns risk — the danger of poor market performance in early retirement years.
Important: The 4% rule is a historical guideline, not a guarantee. Many financial experts now recommend a more conservative 3-3.5% withdrawal rate given lower expected bond yields, longer life expectancies, and the possibility of lower future stock returns. Your personal situation, including healthcare costs, longevity, and market conditions, will determine the appropriate withdrawal rate for you.
Why Starting Early Matters
The single most important factor in retirement savings is time. The power of compound interest means that money invested early has exponentially more time to grow than money invested later. This section illustrates why starting early is critical and how even small contributions can grow into substantial sums over decades.
The Cost of Waiting
Consider two savers: Alex starts saving $500 per month at age 25 and stops at age 35 (contributing for only 10 years). Jamie starts saving $500 per month at age 35 and continues until age 65 (contributing for 30 years). Assuming a 7% annual return, who has more at retirement?
🌱 Alex (Early Starter)
Age 25-35: $500/mo for 10 years
Total contributed: $60,000
Value at 65: ~$602,000
Alex stopped contributing at 35 but let the money grow untouched for 30 more years.
🌳 Jamie (Late Starter)
Age 35-65: $500/mo for 30 years
Total contributed: $180,000
Value at 65: ~$567,000
Jamie contributed 3x more money but still ended up with less than Alex due to starting later.
The Power of Compound Growth
Compound interest is often called the "eighth wonder of the world" because of its exponential growth effect. When your investment earnings generate their own earnings, your money grows at an accelerating rate. The longer your money is invested, the more dramatic this effect becomes.
Compound Growth Formula
FV = PV × (1 + r)^n + PMT × [((1 + r)^n - 1) / r]
FV = Future value at retirement
PV = Current savings (present value)
PMT = Monthly contribution
r = Monthly return rate (annual return ÷ 12)
n = Number of months until retirement
Small Changes, Big Impact
Even small increases in your savings rate or small improvements in your investment returns can have enormous impacts over a 30-40 year career. Here are some practical steps you can take:
Increase contributions by 1% annually: Many employers allow you to auto-escalate your 401(k) contributions. A 1% increase each year can add tens of thousands of dollars to your nest egg.
Take full advantage of employer match: If your employer matches 50% of your contributions up to 6% of salary, not contributing at least 6% means leaving free money on the table.
Reduce fees: A 1% higher fee can reduce your final nest egg by 20-30% over 30 years. Choose low-cost index funds and ETFs.
Delay retirement by just 2-3 years: Working a few extra years not only adds to your savings but reduces the number of years your savings need to last.
Catch-up contributions after 50: The IRS allows additional catch-up contributions to 401(k)s and IRAs for those aged 50 and older.
Retirement Benchmarks by Age
Where should you be at each stage of life? While retirement savings goals vary based on income, lifestyle, and retirement age, financial experts have developed general benchmarks to help you gauge whether you're on track. These guidelines are based on multiples of your annual income saved at different ages.
Fidelity's Savings Benchmarks
Fidelity Investments recommends the following savings milestones based on multiples of your annual income. These assume you retire at age 67 with a similar lifestyle and that you save 15% of your income each year starting at age 25.
By Age 30
1×
Your annual income saved
By Age 35
2×
Your annual income saved
By Age 40
3×
Your annual income saved
By Age 45
4×
Your annual income saved
By Age 50
6×
Your annual income saved
By Age 55
7×
Your annual income saved
By Age 60
8×
Your annual income saved
By Age 67
10×
Your annual income saved
Income Replacement Benchmarks
Another common approach is to target replacing a percentage of your pre-retirement income. Most retirees need 70-80% of their pre-retirement income to maintain their lifestyle, as some expenses (commuting, work clothes, payroll taxes) decrease while others (healthcare, travel) may increase.
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Housing Costs
May decrease if mortgage is paid off. Property taxes and maintenance remain. Plan for 20-30% of retirement income for housing.
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Healthcare Costs
The average retired couple needs approximately $300,000 for healthcare costs in retirement. Medicare covers about 60% of costs.
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Lifestyle & Travel
Many retirees spend more on travel and hobbies in early retirement. Plan for these expenses to decline in later years.
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Long-Term Care
About 70% of people over 65 will need some form of long-term care. Average annual cost of a nursing home exceeds $100,000.
Are You on Track?
To determine if you're on track for retirement, calculate your current savings as a multiple of your annual income and compare it to the benchmarks above. For example, if you're 40 years old with a $75,000 annual income and have $225,000 saved (3× your income), you're on track according to Fidelity's guidelines.
Remember that these are general guidelines. Your specific needs may differ based on your desired retirement lifestyle, health status, family longevity, and risk tolerance. The most accurate way to determine if you're on track is to use our calculator above with your specific numbers.
Investment Disclaimer: The information provided on this page is for educational and informational purposes only. It does not constitute financial advice, investment recommendation, or a solicitation to buy or sell any securities. Past performance is not indicative of future results. All retirement projections are estimates based on assumptions that may not materialize. Consult a qualified financial advisor for personalized retirement planning advice tailored to your specific circumstances.
Frequently Asked Questions (FAQ)
How much do I need to retire comfortably?
A common rule of thumb is to aim for 10-12 times your annual income saved by retirement age. For example, if you earn $75,000 per year, you'd want approximately $750,000 to $900,000 saved. However, this varies based on your desired lifestyle, expected healthcare costs, other income sources (like Social Security), and retirement age. A more personalized approach is to estimate your annual expenses in retirement and multiply by 25 (using the 4% rule) to determine your target nest egg.
What is the 4% rule and is it still valid?
The 4% rule is a retirement withdrawal guideline suggesting you can withdraw 4% of your portfolio in the first year of retirement, adjusting for inflation each year, with a high probability your savings will last 30 years. While the rule has been widely cited, some experts now recommend a more conservative 3-3.5% withdrawal rate due to lower expected bond yields, increased longevity, and potential lower stock market returns. The 4% rule remains a useful starting point, but you should adjust based on your personal circumstances and consult with a financial advisor.
How much should I save each month for retirement?
Financial experts typically recommend saving 10-15% of your annual income for retirement, including any employer match. If you start saving in your 20s, 10% may be sufficient. If you start in your 30s or 40s, you may need to save 15-20% or more. A common strategy is to save at least enough to get your full employer 401(k) match, then contribute to an IRA, then return to increasing your 401(k) contributions. Use our calculator above to determine the specific monthly contribution needed to reach your retirement goal.
At what age can I retire?
The age at which you can retire depends on your savings rate, investment returns, desired lifestyle, and other income sources. Traditional retirement age is 65, which aligns with Medicare eligibility and full Social Security benefits. However, with FIRE (Financial Independence, Retire Early) principles, some people retire in their 30s or 40s by saving 50-70% of their income. Key considerations include: when you can access retirement accounts without penalty (59½), Social Security benefits (62-70), and Medicare (65). Our calculator can help you explore different retirement ages to find your optimal target.
What about Social Security — how much will I get?
Social Security benefits are based on your 35 highest-earning years, adjusted for wage inflation. You can claim benefits as early as age 62 (with reduced benefits) or delay until age 70 (for increased benefits). The average monthly Social Security benefit in 2024 is about $1,900, but this varies significantly based on your earnings history and claiming age. Social Security is designed to replace about 40% of pre-retirement income for average earners. For a personalized estimate, use our Social Security Benefits Calculator or check your statement at ssa.gov.
Should I use a Roth IRA or Traditional IRA for retirement savings?
The choice between Roth and Traditional IRAs depends on your current tax bracket versus your expected tax bracket in retirement. Traditional IRAs offer tax-deductible contributions now, with withdrawals taxed as ordinary income in retirement. Roth IRAs use after-tax contributions, but qualified withdrawals in retirement are tax-free. Generally, if you expect to be in a higher tax bracket in retirement (or if tax rates rise), a Roth IRA is advantageous. If you're in a high tax bracket now and expect lower income in retirement, a Traditional IRA may be better. Many financial planners recommend having both types for tax diversification in retirement.
Investment Disclaimer: The retirement savings calculator and all content on this page are provided for educational and informational purposes only. All calculations are estimates based on the inputs you provide and assumptions about future returns that may not materialize. Actual investment returns vary over time and past performance does not guarantee future results. This calculator does not account for taxes, fees, inflation (beyond what you input), changes in contribution amounts, or other factors that may affect your retirement savings. Always consult with a qualified financial professional for personalized retirement planning advice.