Project your retirement nest egg, find out if you're on track, calculate exactly when you can retire, model the 4% safe withdrawal rule, and compare Social Security claiming ages — all in real time, with scenario analysis built in.
🏆 Retirement Readiness⚡ FIRE Calculator📊 4% Rule & Withdrawal🏛️ Social Security Timing
🏆Readiness
⚡FIRE / Early
📊4% Rule
🏛️Social Security
🏆Retirement Readiness Check
🏆 Enter your current situation and target retirement details. The calculator shows your projected nest egg, whether you're on track, and how much you need to save to close any gap.
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401k + IRA + all retirement accounts
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Your + employer match total per year
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Historical 60/40: ~7% | All-equity: ~10%
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In today's dollars (80% of income rule: ~$68k)
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Annual benefit at your target age
Life expectancy − retirement age
⚡FIRE Early Retirement Calculator
⚡ FIRE (Financial Independence, Retire Early) — find your exact FIRE number, how many years until you can retire, and what savings rate gets you there fastest. No arbitrary age restrictions (unlike most tools).
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What you spend per year now
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4%7.0%12%
3% (conservative)4.0%6% (aggressive)
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Often less than working expenses
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📊4% Rule & Withdrawal Planner
📊 The 4% Rule (Bengen, 1994) states that withdrawing 4% of your portfolio in year 1 and adjusting for inflation each year has historically sustained a 30-year retirement with high probability. Compare 4% to other strategies below.
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After Social Security and other income
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Conservative in retirement: ~5–7%
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🏛️Social Security Claiming Age Optimizer
🏛️ Every year you delay claiming Social Security past age 62 increases your benefit by ~8%/year (up to age 70). Find the breakeven age and see the cumulative lifetime difference between claiming early, at FRA, or at 70.
Born 1960+: FRA = 67
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From your my Social Security account at ssa.gov
US avg: men 76, women 81 — use personal health
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What early benefits would earn if invested
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Historical average: ~2.5%. Higher base at 70 means larger COLA dollars.
Projected Nest Egg
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Enter your details above
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Years to Retirement
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Time to grow your portfolio
🎯 Retirement Readiness Score
📊 Scenario Comparison
📋 Summary
📅 Year-by-Year Projection
⚠️ Projections are estimates for educational purposes only. Investment returns are not guaranteed — actual results will vary based on market performance, sequence-of-returns risk, taxes, fees, inflation, and personal circumstances. The 4% rule is based on historical US market data and may not hold in all market environments. Social Security projections assume current benefit rules. Consult a Certified Financial Planner (CFP) before making retirement decisions. No data is stored. ✦ CatchyTools.com
What Is a Retirement Calculator?
A Retirement Calculator is a financial projection tool that estimates how much money you will have when you retire, whether that amount is sufficient to fund your retirement lifestyle, and what changes you can make now to improve your retirement outlook. It takes your current age, savings, income, contribution rate, and expected investment returns — then projects forward to your target retirement age, accounting for compound growth, inflation, and Social Security income.
Our Retirement Calculator offers four distinct modes that together address the most critical gaps in competing tools like Vanguard, SmartAsset, and NerdWallet. Most tools use a single fixed scenario with no support for early retirement, no withdrawal strategy comparison, and no Social Security timing optimization. We fix all of that: a full readiness check with scenarios, a FIRE (Financial Independence, Retire Early) calculator with no arbitrary age minimum, a 4% rule vs. dynamic withdrawal comparison with year-by-year portfolio modeling, and a Social Security claiming age optimizer that calculates your breakeven age and cumulative lifetime benefit under any claiming strategy.
📊 The retirement savings crisis in context: According to Vanguard's 2024 "How America Saves" report, the median 401(k) balance for Americans aged 45–54 is approximately $134,000 — and for ages 55–64, it is roughly $244,750. At the 4% withdrawal rule, $244,750 generates only $9,790/year in sustainable portfolio income — far short of the $50,000–$70,000 most households need to maintain their lifestyle. Understanding this gap early and acting is the entire purpose of using a retirement calculator.
What Is Retirement?
Retirement is the permanent withdrawal from the workforce — the point at which a person stops earning income from employment and lives instead on accumulated savings, investment returns, pension income, Social Security benefits, and other passive income sources. In the United States, the traditional retirement age is 65 (tied to Medicare eligibility), though Social Security full retirement age (FRA) is now 67 for those born in 1960 or later. The FIRE movement has popularized early retirement at ages 40–55, while some Americans work well into their 70s by choice or necessity.
Retirement is the largest financial goal most Americans will ever face — and unlike a college fund or a home purchase, it has no borrowing option. You cannot take out a "retirement loan." The money must be accumulated before it is needed, compounded over decades, and then drawn down strategically over what could be a 20–40 year retirement period. Getting this right requires understanding four interconnected problems: how much to accumulate, how long it will take, how to draw it down sustainably, and when to claim Social Security for maximum lifetime income.
Retirement Number = Annual Expenses in Retirement ÷ Safe Withdrawal Rate
The 4% Rule: $50,000/yr annual need ÷ 0.04 = $1,250,000 portfolio needed. At 3.5% SWR (conservative): $50,000 ÷ 0.035 = $1,428,571. At 5%: $50,000 ÷ 0.05 = $1,000,000. Subtract expected annual Social Security / pension income before applying this formula.
The Four Retirement Planning Modes Explained
Mode 1 — Retirement Readiness Check
The readiness check is the most comprehensive overview of your retirement situation. It calculates your projected nest egg at retirement using compound growth on your current savings plus ongoing contributions, then compares that to your "number" — the total portfolio needed to fund your desired annual retirement income for the specified number of years. The readiness score (0–100%) is the ratio of projected wealth to required wealth. A score above 100% means you're on track or ahead. Below 100%, the calculator shows exactly how much you would need to increase annual contributions to close the gap by your target retirement age. Three scenarios are shown simultaneously: pessimistic (market underperforms by 2%), base case, and optimistic (outperforms by 2%) — addressing the key weakness of single-scenario tools like Vanguard and NerdWallet.
Mode 2 — FIRE Early Retirement Calculator
FIRE (Financial Independence, Retire Early) is a movement of people who save 40–70% of their income to achieve financial independence decades before traditional retirement age. This mode calculates your FIRE number (portfolio size needed to retire), your current savings rate, and how many years it will take to reach financial independence at different savings rates. Crucially, this mode imposes no minimum retirement age (most competing tools refuse to model retirement before 55), and it lets you set a custom Safe Withdrawal Rate — recognizing that a 40-year retirement requires a more conservative SWR than a 30-year one.
Mode 3 — The 4% Rule & Withdrawal Planner
The 4% rule — derived from William Bengen's landmark 1994 study and the "Trinity Study" — states that withdrawing 4% of your portfolio in year 1 of retirement, then adjusting for inflation each subsequent year, has historically sustained a 30-year retirement portfolio through all historical market conditions with a high success rate. Our withdrawal planner models five different withdrawal strategies side by side: the classic 4% rule, an ultra-conservative 3% rule (better for longer retirements), an aggressive 5% rule, a dynamic 5%-of-balance strategy (withdrawals shrink in bad years), and the Floor-and-Ceiling method (4% ±20% guardrails). You see the remaining portfolio balance year by year under each strategy — showing exactly when and if the money runs out.
Mode 4 — Social Security Claiming Age Optimizer
The Social Security claiming decision is one of the highest-value financial decisions most Americans will ever make — yet almost no free tools model it properly. Claiming at 62 reduces your benefit permanently by up to 30% compared to your Full Retirement Age benefit. Waiting to 70 increases it by 24–32% above FRA. Our optimizer calculates your monthly benefit at age 62, 65, FRA (67), and 70, then finds the break-even age for each comparison — the age at which cumulative lifetime benefits from a later claim surpass those of an earlier claim. For most people in good health, the break-even between age 62 and 70 is approximately 80–82, meaning anyone expecting to live past 82 should consider waiting to claim.
Retirement Savings Benchmarks by Age (2026)
Financial planners use "rules of thumb" to help people gauge whether they are on track for retirement. Fidelity's widely-cited benchmarks suggest having the following multiples of your annual salary saved by each age:
Age
Fidelity Benchmark (× salary)
Example ($85k income)
T. Rowe Price Benchmark
30
1× salary
$85,000
0.5×–1×
35
2×
$170,000
1.5×–2×
40
3×
$255,000
2×–3.5×
45
4×
$340,000
3×–5×
50
6×
$510,000
5×–7×
55
7×
$595,000
6×–9×
60
8×
$680,000
7×–11×
67 (FRA)
10×
$850,000
10×–14×
Related Financial Calculators
Retirement planning works best when it's integrated with your complete financial picture. These tools provide the inputs and context for a complete retirement strategy:
A retirement calculator projects your future financial situation by modeling the growth of your current savings plus ongoing contributions over your remaining working years, then comparing the projected wealth at retirement against the total amount you need to fund your desired retirement income. It works through compound interest math: starting with your current balance, adding annual contributions, applying an expected annual return rate, and compounding year over year until retirement. The required "number" is calculated using a withdrawal rate (typically 4%) applied to your annual income need. For example, if you need $60,000/year in retirement and will receive $20,000/year from Social Security, you need $40,000/year from your portfolio. At a 4% withdrawal rate, that requires $40,000 ÷ 0.04 = $1,000,000 in your portfolio. The calculator then shows whether your projected savings will reach $1M by your target retirement age, how much more you'd need to save monthly to close any gap, and what happens under pessimistic vs. optimistic market return scenarios.
Retirement is the phase of life when you permanently stop working for income and live on accumulated savings, investment returns, Social Security, pensions, and other passive income. In the US, traditional retirement ages range from 62 (earliest Social Security claiming age) to 67 (Full Retirement Age for those born after 1960) to 70 (maximum Social Security delay). The optimal time to start retirement planning is immediately, regardless of age — but the math strongly favors early starters. A 25-year-old saving $300/month at 7% annual return will have approximately $952,000 by age 65. A 35-year-old saving the same $300/month will have only $452,000 by 65 — less than half — because they missed 10 years of compound growth. The difference between starting at 25 versus 35 is $500,000 from the same $300 monthly contribution. This is the power of compound interest over time — the most compelling argument for starting retirement planning in your 20s, even if you can only contribute small amounts.
The 4% rule is a retirement withdrawal guideline derived from financial planner William Bengen's 1994 research showing that retirees could withdraw 4% of their starting portfolio in year 1, then adjust each subsequent year for inflation, and sustain the portfolio for at least 30 years across all historical US market scenarios. It was reinforced by the "Trinity Study" (1998) which examined rolling 30-year periods from 1926 to 1997. Is it still valid in 2026? Most financial researchers say yes, for a 30-year retirement — but with important caveats. For longer retirements (35–40+ years, common in FIRE scenarios), a more conservative 3%–3.5% SWR is recommended. For shorter retirements (20 years), 5% may be sustainable. Current conditions — with higher starting stock valuations and lower expected bond returns — have led some researchers (like Morningstar's 2024 study) to suggest a "safe" starting rate closer to 3.7%–3.8% for new retirees. Our calculator lets you test any withdrawal rate from 3% to 6%, so you can see how conservative or aggressive you want to be.
Your retirement number is the total portfolio value you need to sustainably fund your retirement expenses through portfolio withdrawals. The simplest formula: Annual portfolio income needed ÷ Safe Withdrawal Rate. Step 1: estimate your annual expenses in retirement (most planners use 70–80% of pre-retirement income, though actual needs vary). Step 2: subtract annual guaranteed income (Social Security, pension). Step 3: divide the remaining need by your chosen SWR. Example: $70,000 annual expenses, $22,000 Social Security, 4% SWR: ($70,000 − $22,000) ÷ 0.04 = $1,200,000 needed. If you prefer the 3.5% SWR: $1,371,000 needed. The biggest mistakes people make: using too high a SWR for long retirements, forgetting to account for healthcare costs (which often increase substantially after 65), ignoring inflation, and overestimating Social Security. Our Readiness mode calculates this precisely using your specific inputs and shows three scenarios.
FIRE stands for Financial Independence, Retire Early. The movement's core insight is that traditional retirement planning focuses too much on age (retire at 65) and not enough on financial status (retire when your portfolio can sustain your lifestyle indefinitely). FIRE practitioners aim to achieve financial independence — typically at ages 35–55 — by saving 40–70% of income and investing aggressively. The FIRE number is calculated exactly like any retirement number: Annual Expenses ÷ SWR. For someone spending $40,000/year at a 4% SWR, the FIRE number is $1,000,000. The "years to FIRE" depends on your savings rate — the higher the savings rate, the faster you accumulate the portfolio. At a 50% savings rate, research by Mr. Money Mustache shows most people can achieve FIRE in approximately 17 years regardless of income. At 70%, it takes roughly 8.5 years. Our FIRE mode calculates your current savings rate, your FIRE number at your chosen SWR, the years remaining to reach it, and shows how increasing your savings rate accelerates the timeline — the key insight most calculators completely miss.
The Social Security claiming decision is one of the most impactful retirement choices you'll make. Here's the mechanics: your benefit at age 62 is reduced by approximately 30% from your Full Retirement Age (FRA, which is 67 for those born 1960 and later) benefit. For every year you delay past FRA to age 70, your benefit grows by 8% per year — meaning claiming at 70 gives you a benefit approximately 24–32% higher than at FRA, and roughly 76% higher than at 62. The decision framework: Claim early (62–64) if you have serious health issues, need the income, or have a high-return investment alternative for the benefit. Claim at FRA (67) if health is average and you want simplicity. Claim at 70 if you're in good health and expect to live past approximately age 82 — because the higher lifetime payments from waiting break even around that age for most people. Our Social Security Timing mode calculates your exact break-even age for all claiming ages, cumulative lifetime benefits through your life expectancy, and whether the "invest early benefits" strategy beats the guaranteed 8%/year from delaying.
The standard financial planning guidance is to save 15% of gross income for retirement, including any employer match. Fidelity's research shows that saving 15% starting at age 25 should, on average, produce a retirement portfolio large enough to replace 45% of pre-retirement income — when combined with Social Security's ~35–40% income replacement for average earners, this approaches the 80–90% replacement rate most planners target. If you're starting later than 25, the required savings rate increases: starting at 35, you may need 20–25%; starting at 45, 30%+ to retire at 65. The 2026 IRS contribution limits to help you maximize tax-advantaged savings: 401(k): $24,500 ($30,500 if age 50+); IRA: $7,000 ($8,000 if 50+); HSA: $4,300 self/$8,550 family. If you can max your 401(k) at $24,500 on a $85,000 income, that's a 28.8% savings rate before any IRA contributions — excellent progress toward any retirement timeline. Use our Readiness mode to calculate your specific required savings rate.
The core difference is timing of the tax benefit. Traditional 401(k) / IRA: contributions are pre-tax (reduce your taxable income today), the money grows tax-deferred, and withdrawals in retirement are taxed as ordinary income. Best if you expect to be in a lower tax bracket in retirement than you are now. Roth 401(k) / IRA: contributions are after-tax (no current deduction), the money grows tax-free, and qualified withdrawals in retirement are completely tax-free. Best if you expect to be in the same or higher bracket in retirement, or if you're younger and expect decades of tax-free growth. A practical heuristic: if your current marginal tax rate is 22% or below (single under ~$105,700 in 2026), Roth is usually advantageous. If you're in the 32% bracket or above, traditional pre-tax contributions are usually better. Many planners recommend a blend of both — tax diversification — so you have flexibility to draw from tax-free and taxable buckets in retirement based on circumstances. Required Minimum Distributions (RMDs) begin at age 73 for traditional accounts (Roth 401(k)s also have RMDs unless rolled to a Roth IRA) — a key consideration for high-balance retirement savers.
Sequence-of-returns risk is the danger that poor investment returns early in retirement — even if long-term average returns are normal — can devastate a retirement portfolio. A retiree who experiences a 30% market crash in year 1 of retirement and is withdrawing 4% simultaneously is forced to sell assets at depressed prices. This permanently reduces the portfolio's ability to recover even when markets rebound, often leading to portfolio depletion decades sooner than projections suggest. This is why retirement calculators that use a single average return rate (like most Vanguard and NerdWallet calculators) are potentially misleading — they assume smooth, uniform returns when actual returns are volatile. The practical implications for managing sequence risk: (1) Keep 1–2 years of expenses in cash so you don't sell equities during downturns; (2) Consider a rising equity glide path (holding more bonds early, shifting to more equities as retirement progresses); (3) Use flexible withdrawal strategies that reduce withdrawals in down market years; (4) Consider delaying Social Security to age 70 — the guaranteed benefit acts as a floor that protects against sequence risk by providing reliable income regardless of market performance.