Retirement planning is arguably the most important financial calculation you will ever make. It is the one number that connects every financial decision—how much you save, how you invest, when you stop working—into a single, life-defining question: Will I have enough?

The answer depends on dozens of variables, many of which are uncertain. But running the numbers, even with rough estimates, is far better than guessing. A realistic projection gives you a target to aim for, reveals gaps while you still have time to close them, and helps you avoid the two biggest retirement mistakes: saving too little or retiring too early.

The calculator below uses standard compound-growth math and a year-by-year drawdown model to project whether your current savings trajectory will sustain you through retirement. Adjust the inputs to match your situation and see the results update instantly.

How Much Do You Need to Retire?

The most widely cited guideline is the 25x rule: multiply the annual income you need in retirement by 25 to get your savings target. If you want $60,000 a year (after Social Security), you need $1.5 million saved. This is the inverse of the 4% withdrawal rate—drawing 4% of $1.5 million gives you $60,000.

These rules are useful starting points, but they are rough guidelines. They assume a 30-year retirement, a balanced stock/bond portfolio, and historically average market returns. If you retire early, expect to live past 95, or face a prolonged bear market in your first years of retirement, you may need considerably more. The calculator below accounts for these factors by modeling the drawdown year by year rather than relying on a single rule of thumb.

The 4% Rule

The 4% rule originated from a 1994 study by financial planner William Bengen. He analyzed every 30-year period in U.S. market history and found that retirees who withdrew 4% of their portfolio in the first year—then adjusted that dollar amount for inflation each year—never ran out of money. The rule is a useful benchmark, but it was based on a specific mix of U.S. stocks and bonds and does not account for fees, taxes, or non-U.S. markets. Many planners now use 3.5% as a more conservative starting point.

Retirement Savings Calculator

Your Situation

Savings & Contributions

Investment Returns

Retirement Income Needs

Inflation

Your Projection

Falling Short
Your savings are projected to run out around age 80. You'll want to make changes now while time is on your side.
Projected Savings
$1,475,835
at age 65
Annual Income Gap
$112,554
income needed beyond Social Security
Savings Last Until
Age 80
15 years of retirement income
What if you saved $200 more per month?
You would have $1,836,046 at retirement—that is $360,211 more than your current projection.
Growth Projection (every 5 years)
AgeProjected Balance
30$50,000
35$106,678
40$187,025
45$300,928
50$462,400
55$691,307
60$1,015,810
65$1,475,835

Key Factors That Affect Your Number

Inflation

At 3% inflation, $60,000 of spending power today requires about $146,000 in 30 years. The calculator adjusts your income needs for inflation automatically, but many people underestimate how much prices rise over a multi-decade retirement. Healthcare and housing costs have historically outpaced general inflation, which makes the problem even harder to predict.

Healthcare Costs

Fidelity estimates that a 65-year-old couple retiring today will need roughly $315,000 for healthcare expenses in retirement (after Medicare). That figure does not include long-term care. If you retire before 65 and lose employer-sponsored insurance, you will need to bridge the gap with marketplace coverage, which can cost $800 to $1,500 per month per person depending on your location and plan.

Longevity Risk

The average 65-year-old man in the U.S. can expect to live to about 84; the average 65-year-old woman, to about 87. But those are averages. There is roughly a 25% chance that at least one member of a 65-year-old couple will live past 95. Planning for a 25- or 30-year retirement may not be enough.

Sequence of Returns Risk

A market crash in the first few years of retirement does far more damage than one that happens 15 years in. If you withdraw money from a declining portfolio, those shares never get the chance to recover. This is why many advisors recommend keeping two to three years of expenses in cash or bonds at the start of retirement, even if your long-run allocation favors stocks.

Common Retirement Planning Mistakes

Not accounting for inflation. If you calculate your retirement needs in today's dollars without adjusting, you will underestimate by 40% to 60% over a 30-year horizon. Always plan in future dollars or use a calculator (like the one above) that adjusts for you.

Underestimating healthcare. Medicare does not cover everything. Dental, vision, hearing, and long-term care are largely out of pocket. A single extended nursing-home stay can consume $100,000 or more per year.

Relying too heavily on Social Security. Social Security replaces about 40% of pre-retirement income for average earners. It was designed as a supplement, not a sole income source. Benefit cuts are possible if the trust fund is depleted (currently projected around 2033), which could reduce benefits by roughly 20% to 25% unless Congress acts.

Starting too late. The difference between starting to save at 25 and 35 is enormous. Ten extra years of compounding at 7% roughly doubles your ending balance—even if you contribute the same monthly amount. Time is the most powerful variable in the equation.

Ignoring taxes in retirement. Withdrawals from traditional 401(k)s and IRAs are taxed as ordinary income. A $1 million balance is not $1 million of spending power. Roth accounts, taxable brokerage accounts, and traditional accounts each have different tax treatment, and the order in which you draw from them matters significantly.

The Role of a Financial Advisor

For many people, a spreadsheet or calculator is enough. If your finances are straightforward—steady income, employer 401(k), no complex tax situations—you can do the math yourself and invest in low-cost index funds.

But there are situations where professional help pays for itself many times over:

  • Tax-efficient withdrawal sequencing: Deciding which accounts to draw from first (Roth, traditional, taxable) can save tens of thousands of dollars in taxes over the course of retirement.
  • Roth conversion planning: Converting traditional IRA funds to Roth during lower-income years (especially between retirement and Social Security) can reduce lifetime taxes.
  • Social Security timing: The difference between claiming at 62 vs. 70 can be over $100,000 in lifetime benefits for a single person, and even more for couples using spousal strategies.
  • Estate and legacy planning: Trusts, beneficiary designations, and gifting strategies involve complex rules that change frequently.
  • Behavioral coaching: Studies consistently show that investors who have an advisor are less likely to panic-sell during market downturns, which is one of the most destructive things you can do to a retirement portfolio.
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A good financial advisor does not just pick investments. Their biggest value often comes from tax-efficient withdrawal strategies, Roth conversion timing, and keeping you from making emotional decisions during market volatility. For retirees with $500,000 or more in mixed account types, these strategies can easily save $5,000 to $15,000 per year in taxes alone.

The key is knowing when DIY is fine and when professional advice would save you more than it costs. A one-time financial plan from a fee-only advisor ($500 to $3,000) can provide a detailed roadmap. Ongoing advice (0.5% to 1% of assets annually) makes sense if your situation is complex enough to warrant regular adjustments.

Why TrueAdvisor is different: Most advisor-matching sites let advisors pay to change how they appear. We show the same SEC data for every advisor—real fees, real conflicts, real disciplinary history. Advisors can pay for better visibility in search results, but no one can pay to alter their data. You see the full picture before you reach out.

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