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Retirement Calculator 2025

How much do you need to retire? See your target nest egg, project your savings to retirement, and find out if you're on track or need to save more.

4% Rule Target
Compound Projection
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How the Retirement Calculator Works

This calculator answers the question every saver asks: "How much do I need to retire, and am I on pace?" It works in two directions. First, it sets your target by dividing the income you want your portfolio to provide by your chosen safe withdrawal rate — at 4%, that's the classic "multiply by 25" rule of thumb. Enter $60,000 of desired income and the target is $1.5 million.

Second, it projects where you'll actually land. Your current savings grow at your expected return until retirement, and each monthly contribution compounds for the time it has left. Add the two together and you get your projected nest egg. The on-track banner compares that projection to your target and, if there's a gap, calculates the exact monthly contribution needed to close it. The chart shows your projected balance climbing year by year against the flat target line, so you can see precisely when the two cross. Defaults reflect a typical mid-career saver, so the page is useful the moment it loads — just replace the numbers with your own.

Who Benefits Most From This Calculator

  • Mid-career savers who want a single number to aim for and a clear yes/no on whether they're on track.
  • Young professionals who want to see how powerfully early contributions compound over 30+ years.
  • People deciding how much to contribute — the required-monthly figure turns a vague goal into a concrete savings rate.
  • Anyone weighing an earlier or later retirement age and wanting to see the effect on their number instantly.
  • FIRE-minded savers stress-testing different withdrawal rates (3% to 5%) against their target.

Who Should Look Elsewhere

This tool models a smooth, average-return path and a fixed withdrawal rate. If you're already in or near retirement and need to model real-world market volatility, sequence-of-returns risk, or a detailed year-by-year drawdown with taxes, a Monte Carlo simulation or a fee-only financial planner will serve you better. The calculator also doesn't model Social Security, pensions, or other income directly — subtract those from your desired income before entering the remainder. And if you simply want to project a single lump sum or a SIP-style series without the retirement framing, a general investment calculator may be a cleaner fit.

Tax Implications of Retirement Savings

Where you hold your savings changes how much of your nest egg you actually keep. Tax-deferred accounts (traditional 401(k) and IRA) give you a deduction now and grow untaxed, but every dollar you withdraw in retirement is taxed as ordinary income. Roth accounts (Roth 401(k) and Roth IRA) are funded with after-tax dollars, so qualified withdrawals — including all the growth — are completely tax-free, which is powerful if you expect to be in the same or a higher bracket later. Taxable brokerage accounts have no contribution limits and offer favorable long-term capital-gains rates, making them useful once you've maxed tax-advantaged space or need money before age 59½.

Two rules shape your drawdown. Required Minimum Distributions (RMDs) force you to start withdrawing from traditional accounts at age 73, whether you need the money or not, creating taxable income; Roth IRAs have no RMDs during the owner's lifetime. And Social Security taxation means up to 85% of your benefit can be taxable depending on your "combined income," so large traditional-account withdrawals can push more of your Social Security into the taxable zone. A mix of account types gives you flexibility to manage your tax bracket year by year. Consult a tax professional for your specific situation.

Tips, Tricks & Pitfalls to Watch

  • Treat the 4% rule as a starting anchor, not gospel. Critics note it assumes U.S. historical returns and a 30-year horizon; early retirees often use 3%–3.5%, while flexible spenders can safely run higher with "guardrails."
  • Start early — time beats timing. Because of compounding, a dollar saved at 25 can be worth several times one saved at 45. Even small contributions now outweigh larger ones later.
  • Use catch-up contributions at 50+. The IRS lets you add several thousand dollars beyond the standard 401(k) and IRA limits, with an even larger catch-up for ages 60–63 under SECURE 2.0.
  • Guard against sequence-of-returns risk. Keep one to three years of spending in cash or short-term bonds near retirement so a bad early market doesn't force you to sell stocks at a loss.
  • Capture the full employer match first — it's an immediate, guaranteed return on your contributions.
  • Automate increases. Bump your contribution rate every time you get a raise so saving more never feels like a sacrifice.

Retirement Number & Projection (2025)

How the 4% rule sets your target and how compounding projects your nest egg.

Nest Egg = Desired Annual Income ÷ (Withdrawal Rate ÷ 100)

Example:

$60,000 desired income at a 4% withdrawal rate

60000 ÷ 0.04
= $1,500,000 nest egg

Variables:

Desired Annual Income - Pre-tax income you want your portfolio to fund each year
Withdrawal Rate - Safe annual withdrawal, e.g. 4% (the Trinity-study rule)

FV = PV × (1 + r)^t

Example:

$50,000 today at 7% for 30 years

50000 × (1.07)^30
= $380,613

Variables:

PV - Current retirement savings
r - Expected annual return (as a decimal)
t - Years until retirement

FV = PMT × [ ((1 + i)^n − 1) ÷ i ]

Example:

$800/month at 7% for 30 years, then add the lump-sum growth

800 × [((1.005833)^360 − 1) ÷ 0.005833] + 380613
= ≈ $975,977 + $380,613 = $1,356,590 projected (≈ $143K short of $1.5M)

Variables:

PMT - Monthly contribution
i - Monthly return (annual rate ÷ 12)
n - Total months (years × 12)

These formulas provide the mathematical foundation for the calculations. Actual results may vary based on rounding, compounding frequency, and specific lender policies.

How We Calculate & Keep This Accurate

The target nest egg is the desired annual income divided by the safe withdrawal rate — the inverse of the 4% rule popularized by William Bengen and the Trinity study. The projection grows your current savings with the standard future-value formula and your monthly contributions as an ordinary annuity, both at your chosen pre-retirement return. The required-monthly figure solves the annuity equation for the contribution that exactly funds the target.

This is a deterministic, average-return model. It does not run Monte Carlo simulations, model market volatility or sequence-of-returns risk, account for taxes on withdrawals, or include Social Security and pensions automatically. Results are estimates for planning and should be revisited as your circumstances and the markets change.

Data & Freshness

Figures reflect 2025 tax-year data.

Last updated June 8, 2026 · Maintained by the Financial Calculator editorial team.

Retirement Calculator — Frequently Asked Questions

Answers to the most common questions about how much you need, the 4% rule, Social Security, inflation, and catching up.

How much do I need to retire?

A widely used shortcut is to multiply your desired annual retirement income by 25 — the inverse of the 4% rule. If you want $60,000 a year from your portfolio, you'd aim for roughly $1.5 million ($60,000 ÷ 0.04). This figure is your 'nest egg' and represents the savings that can sustainably fund your lifestyle without running out. The number shrinks if other income sources — Social Security, a pension, rental income, or part-time work — cover part of your spending, because you only need your portfolio to bridge the gap. It grows if you retire early (more years to fund), expect high healthcare costs, or want to leave an inheritance. This calculator works backward from the income you enter and your chosen withdrawal rate to show the target, then projects whether your current savings and monthly contributions will get you there. Treat the result as a planning baseline, not a precise promise — markets, inflation, and your own spending will all vary over a multi-decade retirement, so revisit your number every few years.

What is the 4% rule?

The 4% rule is a guideline that says you can withdraw 4% of your portfolio in your first year of retirement, then adjust that dollar amount for inflation each year, with a high probability of your money lasting 30 years. It comes from the 1998 Trinity study and related research by William Bengen, which tested historical U.S. stock and bond returns across many retirement start dates. On a $1 million portfolio, the rule allows $40,000 in year one. The appeal is its simplicity: multiply your target income by 25 and you have a savings goal. But the rule has critics. It assumes a roughly 50–75% stock allocation, a 30-year horizon, and U.S. historical returns that may not repeat. Some researchers argue 4% is too aggressive for early retirees or low-return environments and suggest 3% to 3.5%; others say it's too conservative because it leaves large balances unspent in most scenarios. Flexible strategies — cutting spending in down years or using 'guardrails' — can safely support higher initial rates. Use 4% as a starting anchor and adjust for your time horizon and risk tolerance.

What income replacement ratio should I target?

Financial planners commonly suggest replacing 70% to 85% of your pre-retirement income, though the right figure depends on your situation. The logic is that some expenses fall in retirement: you stop saving for retirement itself, payroll taxes drop, commuting and work costs disappear, and your mortgage may be paid off. So you can maintain your standard of living on less than your full salary. Someone earning $100,000 might plan for $70,000–$85,000 a year. However, the ratio is higher for people who plan to travel extensively, who carry a mortgage into retirement, or who face large healthcare or long-term-care costs — these can push the figure to 90% or more. It's lower for aggressive savers who already live well below their income, since their lifestyle was never tied to their full paycheck. Rather than relying on a generic percentage, the most accurate approach is to build a retirement budget line by line — housing, food, healthcare, travel, insurance — and use that number as your desired annual income in this calculator. The replacement ratio is a useful sanity check, not a substitute for budgeting.

How does Social Security fit in?

Social Security is a foundation most U.S. retirees build on, replacing roughly 40% of pre-retirement income for an average earner — though higher earners get a smaller percentage because benefits are progressive. Because Social Security provides guaranteed, inflation-adjusted income for life, every dollar it covers is a dollar your portfolio doesn't have to. If your benefit will be $24,000 a year and you want $60,000 total, your portfolio only needs to produce $36,000, which at a 4% withdrawal rate means a $900,000 nest egg instead of $1.5 million. That's why estimating your benefit early matters. The claiming age has a big impact: taking benefits at 62 permanently reduces them by about 25–30% versus your full retirement age (67 for those born in 1960 or later), while delaying past full retirement age earns roughly 8% per year in delayed credits up to age 70. This calculator focuses on your portfolio target; to estimate your benefit, use the SSA's official Retirement Estimator, then subtract that income from your desired total before entering the remaining amount here.

How does inflation affect my number?

Inflation is the quiet force that makes retirement planning harder than it looks, because it erodes purchasing power over decades. At 3% inflation, prices roughly double every 24 years — so $60,000 of spending today could require about $120,000 a year by the time someone in their 40s reaches their 80s. There are two ways to handle this. First, decide whether the 'desired annual income' you enter is in today's dollars or future dollars; planning in today's dollars is usually clearer, and you then rely on the 4% rule's built-in inflation adjustment to raise withdrawals each year in retirement. Second, recognize that your investment return should be viewed in real (after-inflation) terms — a 7% nominal return with 3% inflation is only about 4% real growth. If you want a conservative plan, you can enter a lower expected return to approximate real growth, which raises your required savings. Healthcare inflation typically runs higher than general inflation, so retirees should pad their estimates. The key takeaway: a number that looks comfortable in today's dollars may feel tight in 30 years, so build in a margin of safety.

What is sequence-of-returns risk?

Sequence-of-returns risk is the danger that poor investment returns early in retirement permanently damage your portfolio, even if the long-term average is fine. The order of returns matters enormously once you're withdrawing money. Imagine two retirees with identical average returns over 30 years: the one who suffers a big market drop in their first few years — while also taking withdrawals — sells more shares at low prices, leaving fewer to recover when markets rebound. They can run out of money, while the retiree who got good early returns thrives. This is why the same average return can produce wildly different outcomes depending on timing. The risk is highest in the five years before and after retirement, sometimes called the 'retirement red zone.' Defenses include holding one to three years of spending in cash or short-term bonds so you don't have to sell stocks in a downturn, using a flexible withdrawal strategy that trims spending after bad years, building a bond 'tent' that shifts more conservative near retirement, and keeping a buffer above your bare-minimum number. This calculator projects an average path; real markets are lumpier, so a cushion matters.

Am I saving enough, and how do I catch up?

The fastest way to know is the on-track banner on this calculator: it compares your projected nest egg to the target and tells you the monthly contribution required to close any gap. A common benchmark is to have roughly 1x your salary saved by age 30, 3x by 40, 6x by 50, 8x by 60, and 10x by 67, but the precise milestone matters less than the trend. If you're behind, several levers help, and they compound. The most powerful is raising your savings rate — even an extra $200 a month over 25 years can add six figures thanks to compounding. Capture your full employer 401(k) match first; it's an instant return. Increase contributions automatically each time you get a raise so you never feel the cut. At 50 and older, take advantage of catch-up contributions: the IRS lets you add several thousand dollars beyond the standard 401(k) and IRA limits, and SECURE 2.0 adds an even larger catch-up for ages 60–63. Other levers include working a few years longer (which both adds savings and shortens the years you must fund), delaying Social Security, and trimming fees by using low-cost index funds. Small, consistent changes usually beat dramatic ones.

When can I afford to retire?

You can afford to retire when your projected nest egg, plus other income like Social Security and pensions, can sustainably cover your desired spending — typically when your portfolio reaches about 25 times the annual amount you need it to provide, under the 4% rule. But the date is a moving target you can pull earlier with three main choices: spending less (a lower target means a smaller nest egg), saving more now (which both builds the balance and proves you can live on less), and adjusting your return assumptions or risk. Working even two or three extra years has an outsized effect because it simultaneously adds contributions, gives your investments more time to compound, shortens the retirement you must fund, and may boost your Social Security benefit. Many people also choose a phased approach — shifting to part-time work or 'barista FIRE' — which covers some expenses and lets the portfolio keep growing. Before pulling the trigger, stress-test your plan against a bad market in the first few years (sequence risk), confirm your healthcare coverage until Medicare at 65, and make sure you have a cash buffer. Use this calculator to experiment: nudge the retirement age up or down and watch how quickly the shortfall closes.
US Retirement Calculator User Reviews

Disclaimer: Results are estimates for planning only and do not constitute tax, legal, lending, or investment advice. Actual paycheck and tax outcomes can vary based on employer settings, local rules, and personal elections. Consult a qualified US tax professional, CFP, or attorney before making financial decisions.