IRA Calculator

A traditional IRA is one of the most powerful tax-advantaged ways to save for retirement. Suppose you are 30 years old and contribute the full $7,000 2025 limit every year until you retire at 65. At a 7% annual return, your account grows to about $1,035,000 - of which roughly $245,000 is money you put in and about $790,000 is investment growth that compounded tax-deferred. On top of that, every $7,000 deductible contribution at a 22% marginal federal rate trims about $1,540 off your tax bill that year. This IRA calculator shows both sides: long-term growth and the upfront deduction value. All figures are for tax year 2025 (filed in 2026).

2025 contribution limits and how growth is projected

For 2025 the IRS combined IRA limit is $7,000, rising to $8,000 if you are age 50 or older thanks to the $1,000 catch-up contribution. Each year the calculator adds your contribution and grows the balance at your expected return, compounded annually:

where r is your expected annual return. Contributions above the 2025 IRS limit are automatically capped in the projection so the result stays realistic.

2025 federal tax brackets used for the deduction

A deductible contribution saves you tax at your marginal rate - the rate on your top dollar of income. The calculator estimates that rate from the verified 2025 brackets for your filing status:

Head-of-household brackets are also built in. The deduction value equals your contribution times this marginal rate - for example, $7,000 × 22% = $1,540.

Traditional IRA vs. Roth IRA

A traditional IRA gives you a tax deduction now (if eligible) and taxes withdrawals later as ordinary income - the tax is deferred, not erased. A Roth IRA offers no upfront deduction but qualified withdrawals are tax-free. Both share the same $7,000 (plus $1,000 catch-up) combined 2025 limit. If you expect a lower tax rate in retirement than today, the traditional IRA's upfront deduction is often more valuable; if you expect a higher rate later, the Roth can win. To see the same contributions grow tax-free, run them through the Roth IRA Calculator and compare the after-tax outcomes side by side.

Watch the deduction phase-out and RMDs

If you or your spouse are covered by a workplace plan such as a 401(k), the traditional IRA deduction phases out above IRS income limits - your contribution may be only partially deductible or non-deductible (you can still contribute, but without the tax break). If a workplace plan with an employer match is on the table, model it in the 401(k) Calculator first, since a full match usually beats the IRA deduction dollar for dollar. Traditional IRAs also require minimum distributions (RMDs) generally starting at age 73, with those withdrawals taxed as ordinary income. This calculator projects your pre-tax balance and does not subtract RMDs or state tax.

2025 traditional IRA deduction phase-out limits

The deduction phase-out only applies if you (or your spouse) are covered by a workplace retirement plan such as a 401(k) or 403(b). If neither of you is covered, your contribution is fully deductible no matter how high your income. When a workplace plan is in the picture, the IRS reduces the deductible amount across a modified-AGI (MAGI) range for tax year 2025:

Within each range the deductible amount shrinks proportionally - for example, a single filer covered by a 401(k) with $84,000 of MAGI (halfway through the $79,000-$89,000 band) can deduct roughly half of a $7,000 contribution. Above the top number you can still contribute the full limit, but the contribution is non-deductible, so the "tax saved" figure in this calculator would not apply. Note these MAGI thresholds are separate from the Roth IRA income limits, which cap whether you can contribute at all rather than whether you can deduct.

How to use this IRA calculator

You only need a few numbers to get a realistic projection. Work through the fields in order:

1. Current age and retirement age: these set the number of years your money has to compound. Starting at 30 and retiring at 65 gives 35 years of growth; the same plan started at 40 gives only 25 years - a gap that often more than halves the final balance.
2. Starting balance: enter the amount already in your traditional IRA. If you are opening a brand-new account, leave this at $0.
3. Annual contribution: type how much you plan to add each year. Anything above the 2025 IRS limit ($7,000, or $8,000 at 50+) is automatically capped so the projection stays realistic.
4. Expected return: use a long-run assumption that matches your investments. The 7% default suits a diversified stock-heavy portfolio before inflation; lower it for a bond-heavy or conservative mix.
5. Income and filing status: these set your marginal tax bracket so the tool can estimate the federal tax you defer each year by deducting your contribution.

The result updates instantly. Read the projected balance at retirement at the top, then check the split between your own contributions and investment growth, and the estimated tax saved this year from the deduction.

Who this calculator is for

This tool is built for anyone weighing a traditional IRA as part of a retirement plan. That includes:

• New savers deciding whether to open an IRA and how much to contribute each year.
• Workers without a 401(k) who want a tax-advantaged account and a full deduction regardless of income.
• People comparing traditional vs. Roth, who want to see the upfront deduction value next to the long-term balance.
• Savers age 50+ checking how the $1,000 catch-up contribution changes their projection.
• Anyone budgeting for retirement who wants a quick estimate of where steady contributions could land them.

A second worked example: starting later at 50

Numbers change dramatically with your timeline. Suppose you are 50, have $50,000 already saved, and contribute the full $8,000 catch-up limit every year until you retire at 67 - 17 years of growth. At a 7% return, your balance grows to roughly $420,000. Of that, about $186,000 is the money you put in (your $50,000 head start plus 17 years of $8,000 contributions) and the rest is compounded growth. At a 24% marginal rate, each $8,000 deductible contribution also trims about $1,920 off that year's federal tax bill. Compare that to the 35-year example near the top of this page: starting earlier with smaller contributions produces a far larger balance, which is the practical power of compounding over time.

What changes the result the most

If you adjust the inputs and watch the projection move, a few factors dominate:

• Years of growth: the single biggest lever. An extra decade of compounding can do more than a larger contribution, because early dollars grow the longest.
• Expected return: over 30+ years even a 1% difference in return compounds into a six-figure swing in the final balance.
• Annual contribution: contributing the full limit versus half of it roughly doubles the contributed portion of your balance.
• Marginal tax rate: a higher bracket makes each deductible contribution save more tax today, though it may also mean more tax on withdrawals later.
• Starting balance: a head start compounds alongside new contributions for the full period.

Tips to grow your IRA balance

• Start early: even small contributions in your 20s and 30s usually beat larger ones started in your 40s, because they compound the longest.
• Contribute the full limit: aim for the $7,000 (or $8,000 at 50+) cap each year if your budget allows - it is the most you can shelter per year.
• Automate it: set up monthly transfers so you reach the annual limit without trying to time the market.
• Mind fees: low-cost index funds keep more of your return working for you; high expense ratios quietly erode decades of growth.
• Use the catch-up: once you turn 50, the extra $1,000 a year adds up meaningfully over a 15-20 year stretch into retirement.

How the result is used in real life

The projected balance is your retirement-savings target check: compare it against the income you expect to need and you can see whether your current contribution rate gets you there or needs to rise. For the full picture across every account, fold this IRA total into the Retirement Calculator alongside your 401(k), pension, and Social Security estimate. The tax-saved figure matters at filing time - a deductible contribution lowers your adjusted gross income, which can also affect other tax credits and phase-outs that key off AGI. Many savers use the deduction strategically: making a deductible IRA contribution before the April deadline is one of the few ways to still reduce last year's tax bill after the calendar year has ended.

Limitations and assumptions

This calculator is a planning estimate, not tax advice or an investment guarantee. Keep these assumptions in mind:

• Returns are assumed constant every year; real markets are volatile and some years are negative.
• Results are in nominal dollars and are not adjusted for inflation.
• It assumes your contribution is fully deductible; if you or your spouse have a workplace plan, the deduction may phase out at higher incomes.
• It does not model required minimum distributions, early-withdrawal penalties, state income tax, or investment fees.
• It uses 2025 limits and brackets, which the IRS adjusts most years for inflation.

How it compares to related calculators

This page answers "how big could my traditional IRA grow, and what does the deduction save me?" If you have a different question, a sister tool fits better:

• To compare tax-free Roth growth with no upfront deduction, use the Roth IRA Calculator.
• To project an employer plan with company matching, use the 401(k) Calculator.
• For a broad picture of all your retirement savings together, use the Retirement Calculator.
• To model a lump sum or recurring deposits in any account, use the Investment Calculator.
• For triple-tax-advantaged medical savings, use the HSA Calculator.
• To plan how to draw the balance down in retirement, use the Retirement Withdrawal Calculator.

Sources

• Internal Revenue Service (IRS) - IRA contribution limits (2025: $7,000, plus $1,000 catch-up at 50+).
• Internal Revenue Service (IRS) - IRA deduction limits and workplace-plan phase-outs.
• Internal Revenue Service (IRS) - Required minimum distributions (RMDs) beginning at age 73.
• Internal Revenue Service (IRS) - 2025 federal income tax brackets and inflation adjustments.