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Roth IRA Calculator 2025

See how much your Roth IRA could grow tax-free by retirement — your projected balance, total contributions, and the tax-free earnings you'll never pay income tax on.

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How the Roth IRA Calculator Works

This calculator turns five numbers — your current age, target retirement age, current Roth IRA balance, annual contribution, and expected return — into the figure that matters most: the tax-free balance you could have at retirement. It simulates your account year by year, growing the balance at your chosen return and adding your contribution each year until you retire.

Your annual contribution is automatically capped at the IRS limit — $7,000 for 2025, or $8,000 if you are 50 or older — so the projection stays realistic. The results separate the two parts of your wealth: the money you contributed (your basis) and the tax-free earnings that compounding produced. The chart visualizes how earnings overtake contributions over time, and the export button gives you the full year-by-year schedule as a CSV. Defaults reflect a typical young saver maxing out contributions, so the page is useful the moment it loads — just replace the numbers with your own.

Who Benefits Most From a Roth IRA

  • Young savers and early-career earners in a lower tax bracket today than they expect in retirement — they lock in today's low rate and get decades of tax-free compounding.
  • Anyone who wants tax-free income in retirement and predictability about their future tax bill.
  • Savers who value flexibility — contributions can be withdrawn anytime, penalty-free.
  • People planning to leave a legacy, since Roth IRAs have no lifetime RMDs and pass to heirs tax-free.
  • Those who already max their 401(k) match and want a low-cost, self-directed account next.

Who Should Look Elsewhere

A Roth IRA is not ideal for everyone. High earners in their peak years who expect a much lower tax bracket in retirement may get more value from a Traditional IRA or 401(k) deduction today. Anyone who hasn't captured their full employer 401(k) match should do that first — it's free money that beats any tax treatment. People with no earned income generally can't contribute at all (a spousal IRA is one exception). And if your income exceeds the Roth limits, you can't contribute directly and must use the backdoor strategy. If you simply need money within a few years, a Roth IRA is the wrong tool — its earnings are meant to stay invested until 59½ and the 5-year rule applies. For retirement-income modeling beyond contributions, explore our other US retirement calculators.

Tax Implications of a Roth IRA

The Roth IRA's defining trait is its tax treatment. You fund it with after-tax dollars — there is no upfront deduction — but in exchange, qualified withdrawals are 100% free of federal income tax, including every dollar of growth. To be qualified, a withdrawal must come after age 59½ and after your first Roth has been open at least five years (the 5-year rule).

For 2025, you may contribute up to $7,000 across all your IRAs, or $8,000 if you're 50 or older. Your eligibility to contribute directly phases out based on MAGI (modified adjusted gross income) — roughly $150,000–$165,000 for single filers and $236,000–$246,000 for married couples filing jointly in 2025. Crucially, Roth IRAs have no required minimum distributions (RMDs) during the owner's lifetime, so the balance can compound tax-free indefinitely and pass to heirs. Always confirm current figures on IRS.gov and consult a tax professional for your situation.

Tips, Tricks & Strategies

  • Use the backdoor Roth if you're over the income limit — contribute to a Traditional IRA, then convert to Roth. Watch the pro-rata rule if you hold other pre-tax IRA money.
  • Your contribution deadline is tax day — you have until the April filing deadline to make a prior-year contribution, so you can still fund last year early in the new one.
  • Choose Roth over Traditional when you expect higher future taxes — younger and lower-bracket savers usually benefit most from paying tax now.
  • Mind the 5-year rule — open your first Roth as early as possible to start the clock, even with a small contribution, so earnings can be withdrawn tax-free later.
  • Contribute early in the year, not at the deadline, to give your money the maximum time to compound.
  • Automate it — set up monthly transfers so you reach the annual limit without thinking about it.

Roth IRA Growth Formula (2025)

How your existing balance and annual contributions compound into a tax-free retirement balance.

FV = PMT × [ (1 + r)^n − 1 ] / r

Example:

$7,000/yr for 35 years at 7%

7000 × [(1.07)^35 − 1] / 0.07
= ≈ $967,658

Variables:

PMT - Annual contribution (capped at the IRS limit)
r - Expected annual return (decimal)
n - Years until retirement

FV = PV × (1 + r)^n

Example:

$20,000 starting balance for 35 years at 7%

20000 × (1.07)^35
= ≈ $213,610

Variables:

PV - Current Roth IRA balance
r - Expected annual return (decimal)
n - Years until retirement

Tax-Free Earnings = Balance − Total Contributed

Example:

$7,000/yr, 35 yrs, 7%, $0 start

967,658 − 245,000
= ≈ $722,658 tax-free earnings

Variables:

Balance - Sum of the two future values above
Total Contributed - Starting balance + all annual contributions

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

We project the balance year by year: each year the existing balance grows at your expected annual return, then the annual contribution is added. Contributions are capped at the IRS 2025 limit of $7,000 (or $8,000 for ages 50 and older). The tax-free balance at retirement is the future value of your starting balance plus the future value of the contribution stream; tax-free earnings are that balance minus everything you contributed.

Projections assume a constant return and constant contribution and do not model inflation, fees, sequence-of-returns risk, MAGI phase-outs over time, or future limit increases. Results are estimates for planning and will differ from actual outcomes.

Data & Freshness

Figures reflect 2025 tax-year data.

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

Roth IRA Calculator — Frequently Asked Questions

Answers to the most common questions about Roth IRA growth, contribution and income limits, the backdoor Roth, the 5-year rule, and RMDs.

How much will my Roth IRA grow?

Roth IRA growth depends on three levers: how much you contribute each year, how long the money compounds, and your average annual return. Because earnings compound on top of earlier earnings, time is by far the most powerful factor. Consider contributing the full $7,000 a year for 35 years at a 7% average return: you would put in $245,000 of your own money, but the account would grow to roughly $968,000 — meaning about $723,000 is pure tax-free investment growth you never pay federal income tax on. Start ten years earlier and the same contributions could exceed $1.4 million, because those first years compound the longest. The calculator above lets you change the inputs and instantly see the projected tax-free balance at retirement, your total contributions, and how much of the balance is earnings. Keep in mind these are projections, not guarantees — real returns vary year to year and a 7% long-run average for a diversified stock-heavy portfolio is a planning assumption, not a promise. The takeaway is simple: contribute consistently, start as early as you can, and let decades of tax-free compounding do the heavy lifting.

Roth vs Traditional IRA — which is better?

The core difference is when you pay tax. With a Roth IRA you contribute after-tax dollars now, and qualified withdrawals in retirement — including all the growth — are completely tax-free. With a Traditional IRA you may deduct contributions today, the money grows tax-deferred, and you pay ordinary income tax on every dollar you withdraw later. The decision hinges on your tax rate now versus in retirement. If you expect to be in the same or a higher tax bracket later — common for younger savers early in their careers — the Roth usually wins because you lock in today's lower rate and never pay tax on decades of growth. If you are a high earner in your peak years expecting a much lower retirement bracket, the Traditional deduction can be more valuable. Roth IRAs also have advantages beyond rates: no required minimum distributions during your lifetime, tax-free inheritance for heirs, and the flexibility to withdraw your contributions (not earnings) anytime without penalty. Many savers hedge by holding both, a strategy called tax diversification, so they can choose which account to draw from based on their tax situation each retirement year.

What are the 2025 Roth IRA contribution and income limits?

For 2025, the Roth IRA contribution limit is $7,000 if you are under 50, and $8,000 if you are 50 or older thanks to the $1,000 catch-up provision. This limit is shared across all your IRAs combined — Roth and Traditional — so $7,000 is the total, not per account. You must also have earned income (wages or self-employment income) at least equal to your contribution. On top of the contribution cap, Roth IRAs have income (MAGI) limits that phase out your ability to contribute directly. For 2025, single filers begin phasing out around a modified adjusted gross income of $150,000 and are fully phased out near $165,000; married couples filing jointly phase out from roughly $236,000 to $246,000. If your income is below the phase-out, you can contribute the full amount; within the range, your limit shrinks proportionally; above it, you cannot contribute directly — though the backdoor Roth strategy remains available. The contribution deadline is generous: you have until the federal tax-filing deadline (typically April 15 of the following year) to make a prior-year contribution. Always verify the current year's figures on IRS.gov, since these thresholds are adjusted annually for inflation.

What is a backdoor Roth IRA?

A backdoor Roth IRA is a perfectly legal strategy that lets high earners who exceed the Roth income limits still get money into a Roth. Because there is no income limit on contributing to a Traditional IRA (the deduction phases out, but the contribution itself does not) or on converting Traditional to Roth, the maneuver works in two steps: first you make a non-deductible contribution to a Traditional IRA, then you convert that amount to a Roth IRA, usually right away. If the Traditional IRA had no pre-tax money in it, the conversion is essentially tax-free because you already paid tax on the contribution. The big catch is the pro-rata rule: the IRS treats all your Traditional, SEP, and SIMPLE IRA balances as one pool, so if you hold other pre-tax IRA money, part of your conversion becomes taxable proportionally. People often avoid this by first rolling existing pre-tax IRA funds into an employer 401(k), leaving the Traditional IRA empty for a clean backdoor conversion. You report the steps on IRS Form 8606. The strategy is well established, but because the tax mechanics can get tricky with existing balances, it is wise to consult a tax professional before executing it.

When can I withdraw from a Roth IRA (the 5-year rule)?

Roth IRAs are unusually flexible, but there are rules that separate your contributions from your earnings. You can withdraw your own contributions (your basis) at any age, at any time, with no tax and no penalty, because you already paid tax on that money. Earnings are different. To withdraw earnings completely tax- and penalty-free, the distribution must be qualified, which requires two things: you must be at least 59½, and your first Roth IRA must have been open for at least five tax years — this is the 5-year rule. The five-year clock starts January 1 of the year of your first contribution and applies even if you are already over 59½. There is a separate five-year clock for each Roth conversion that governs penalty-free access to converted amounts. If you take out earnings before meeting these conditions, the earnings are generally subject to income tax plus a 10% early-withdrawal penalty, though exceptions exist for a first-time home purchase (up to $10,000), qualified education, disability, and certain other hardships. The practical guidance is to treat the Roth as a long-term retirement vehicle: tap contributions only in a genuine emergency, and leave the earnings untouched until they qualify.

Roth IRA vs 401(k) — which should I prioritize?

Both are powerful retirement accounts, and for many people the best answer is to use them together in a specific order. A common framework: first contribute to your 401(k) up to the full employer match — that match is an instant, guaranteed return you should never leave on the table. Next, max out a Roth IRA, because it offers tax-free growth, a wider menu of low-cost investments than most 401(k) plans, no required minimum distributions, and the flexibility to withdraw contributions if needed. After that, return to the 401(k) and contribute up to its much higher annual limit. The accounts differ in scale and structure: a 401(k) allows far larger contributions, is funded through payroll, and is offered only through an employer, while a Roth IRA you open yourself and fund with after-tax dollars. Note that many employers now offer a Roth 401(k), which combines the 401(k)'s high limit with Roth tax treatment and, under current rules, no lifetime RMDs. Your ideal mix depends on your tax bracket, your plan's investment quality and fees, and whether you value the Roth's tax-free withdrawals or the traditional 401(k)'s upfront deduction.

Can I contribute to a Roth IRA if I'm over the income limit?

Not directly — but you still have options. The Roth IRA has a modified adjusted gross income (MAGI) ceiling, and once your income rises above the phase-out range you lose the ability to make a direct Roth contribution. The most common workaround is the backdoor Roth: contribute to a Traditional IRA (which has no income limit on contributions) and then convert those funds to a Roth, paying tax only on any pre-tax amount converted. High earners with access to a workplace plan that allows after-tax contributions and in-plan conversions may also use the mega backdoor Roth, which can move much larger sums into Roth status each year. Another approach is simply to use a Roth 401(k) if your employer offers one, since Roth 401(k)s have no income limit at all. Be careful not to make an ineligible direct Roth contribution by mistake — doing so creates an excess contribution subject to a 6% annual penalty until corrected, though you can fix it by recharacterizing or withdrawing the excess before the deadline. Given the moving parts around the pro-rata rule and conversions, anyone near or above the income limit should run the numbers carefully or work with a tax advisor.

Do Roth IRAs have required minimum distributions (RMDs)?

No — and this is one of the Roth IRA's most valuable features. Unlike Traditional IRAs and (historically) other tax-deferred accounts, a Roth IRA has no required minimum distributions during the original owner's lifetime. You are never forced to withdraw money at any age, which means your balance can keep compounding tax-free for as long as you live. This makes the Roth IRA a superb estate-planning and legacy tool: you can leave the entire account to grow untouched and pass it to heirs. As of recent rule changes, Roth 401(k)s also no longer require lifetime RMDs, putting them on equal footing. Heirs, however, are subject to distribution rules. Most non-spouse beneficiaries must empty an inherited Roth IRA within 10 years of the owner's death, though the withdrawals they take are still generally tax-free, preserving the Roth's biggest benefit. Surviving spouses have more flexibility and can typically treat the inherited Roth as their own, continuing to skip RMDs. The absence of forced withdrawals is a key reason many retirees prefer Roth assets: it gives them complete control over their taxable income each year and maximizes the tax-free compounding window.
US Roth IRA 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.