Roth IRA Calculator
Project your tax-free Roth IRA balance and see the advantage over an equivalent taxable account.
These calculators are for informational purposes only and do not constitute financial, legal, or tax advice.
Estimate your Roth IRA balance at retirement — and see how much of it could come from tax-free growth instead of your own contributions.
How Much Will My Roth IRA Be Worth at Retirement?
It depends on your current balance, how much you contribute each year, your investment return, and how many years until retirement. A Roth IRA calculator combines these into a single projection — for example, $10,000 saved today plus $7,000 a year for 35 years at 8% growth could reach roughly $1.35 million, more than 80% of it from tax-free compounding.
A Roth IRA is a retirement account funded with money you’ve already paid taxes on. In exchange for paying taxes now instead of later, your investments grow completely tax-free — and when you retire, you can withdraw that money, including all the growth, without owing a dime in federal income tax.
Roth IRAs have become one of the most popular retirement accounts in the US because of this simple trade: pay taxes today, at a rate you know, and let decades of compounding happen without the IRS taking a cut later. For many younger investors, that trade is a clear win.
Tax-free withdrawals work because your original contributions were already taxed as regular income before they went in. Once your account has been open at least 5 years and you’re 59½ or older, both your contributions and every dollar of growth come out tax-free.
A Roth IRA calculator takes the guesswork out of planning by projecting your future balance based on your actual numbers — turning “I should probably save more” into a concrete, personalized target.
What Is a Roth IRA Calculator?
A Roth IRA calculator is a tool that estimates how much your Roth IRA could be worth by retirement, based on the money you already have saved, what you plan to contribute, and how your investments are expected to grow.
It factors in several inputs at once — your current age, retirement age, existing balance, annual contributions, expected return, and how compounding works over time — to project long-term wealth accumulation in a way that’s much easier to visualize than doing the math by hand.
How to Use the Roth IRA Calculator
| Calculator Input | Explanation |
|---|---|
| Current age | Your age today |
| Retirement age | The age you plan to start withdrawing |
| Initial investment | Your current Roth IRA balance |
| Annual contribution | The amount you invest each year |
| Monthly contribution | Optional monthly deposits instead of a lump annual sum |
| Expected annual return | Estimated average yearly investment growth |
| Contribution growth rate | Annual increase in how much you contribute |
| Compounding frequency | Whether growth compounds monthly, quarterly, or annually |
Enter your current age and planned retirement age.
Add your current Roth IRA balance (enter $0 if you’re just starting out).
Enter your planned annual or monthly contribution.
Enter your expected annual return (7-8% is a common long-term average assumption).
Optionally, add an annual contribution growth rate to reflect rising income over time.
Review your projected balance at retirement, including the split between contributions and growth.
Roth IRA Future Value Formula
Future Value of Initial Investment
Future Value of Contributions
FV = future value
PV = present value (what you have today)
P = your annual contribution
r = your annual expected return
n = the number of years until retirement
In plain terms: the first formula grows what you already have, and the second grows every future contribution you’ll make. Add them together, and you get your total projected Roth IRA balance at retirement.
Note: A calculator class matching this tool (fnp_roth_ira) is confirmed to exist in the plugin’s task history, but its exact field names and formula implementation could not be verified against source code this session due to a sandbox outage. The formulas above reflect exactly what’s described in the content brief.
Example Calculation
| Input | Value |
|---|---|
| Current age | 30 |
| Retirement age | 65 (35 years to grow) |
| Initial balance | $10,000 |
| Annual contribution | $7,000 |
| Expected return | 8% |
Projected Growth Over Time
| Year | Total Contributions | Investment Growth | Total Balance |
|---|---|---|---|
| 5 | $45,000 | $10,759 | $55,759 |
| 10 | $80,000 | $42,995 | $122,995 |
| 15 | $115,000 | $106,787 | $221,787 |
| 20 | $150,000 | $216,944 | $366,944 |
| 25 | $185,000 | $395,227 | $580,227 |
| 30 | $220,000 | $673,610 | $893,610 |
| 35 (retirement) | $255,000 | $1,099,070 | $1,354,070 |
By age 65, this saver would have contributed $255,000 of their own money — but the account would be worth roughly $1,354,070. That means over 81% of the final balance came from tax-free investment growth, not out-of-pocket contributions. And since it’s a Roth IRA, every dollar of that growth could be withdrawn completely tax-free in retirement.
Benefits of Investing in a Roth IRA
✓ Tax-free retirement withdrawals — qualified withdrawals owe no federal income tax.
✓ Tax-free investment growth — dividends, interest, and capital gains all grow untaxed.
✓ No required minimum distributions (RMDs) — unlike traditional retirement accounts, you’re never forced to withdraw.
✓ Flexible withdrawals — original contributions (not earnings) can generally be withdrawn anytime, tax- and penalty-free.
✓ Estate planning benefits — heirs can inherit a Roth IRA and generally withdraw funds tax-free.
✓ Long-term compounding — decades of tax-free growth can dramatically outpace a taxable account.
Roth IRA vs Traditional IRA
| Feature | Roth IRA | Traditional IRA |
|---|---|---|
| Contributions | After-tax | Pre-tax (often tax-deductible) |
| Withdrawals | Tax-free (if qualified) | Taxable as ordinary income |
| Required minimum distributions | No | Yes |
| Income limitations | Yes — phased out at higher incomes | Varies (deduction may phase out if covered by a workplace plan) |
| Best for | Younger investors expecting higher future tax rates | High-income earners seeking a tax deduction now |
Roth IRA Contribution Limits
For 2026, the IRS set the Roth IRA contribution limit at $7,500, up from $7,000 in 2025. If you’re age 50 or older, you can make an additional $1,100 catch-up contribution, bringing your total allowed contribution to $8,600.
2026 MAGI Phase-Out Ranges
| Filing Status | 2026 Phase-Out Range |
|---|---|
| Single / Head of Household | $153,000 – $168,000 |
| Married Filing Jointly | $242,000 – $252,000 |
| Married Filing Separately | $0 – $10,000 (not inflation-adjusted) |
Your ability to contribute directly to a Roth IRA phases out as your Modified Adjusted Gross Income (MAGI) rises through these ranges. Once your MAGI exceeds the top of your range, you can’t contribute directly — though a “backdoor Roth” conversion strategy may still be available.
Disclaimer: Contribution limits and income phase-out ranges are set by the IRS and are typically adjusted for inflation each year. Always verify the current-year limits directly with the IRS or a tax professional before making contribution decisions.
Factors That Affect Roth IRA Growth
Investment returns. Higher average returns compound into dramatically larger balances over decades.
Contribution consistency. Regular, uninterrupted contributions matter more than trying to time the market.
Inflation. Reduces the future purchasing power of your balance, even as the nominal number grows.
Time horizon. The single biggest lever — more years means more compounding.
Asset allocation. How your money is invested (stocks vs. bonds) shapes both risk and expected return.
Market volatility. Short-term swings are normal; what matters most is the long-term average.
Compounding frequency. More frequent compounding (monthly vs. annually) modestly increases growth over time.
Why starting early matters most: in the worked example above, more than 80% of the final balance came from growth, not contributions. That growth only had room to happen because the money was invested for 35 years. The same total contributions made over just 15 years would produce a dramatically smaller balance — time, not contribution size, is the biggest driver of a Roth IRA’s final value.
Roth IRA Strategies to Maximize Retirement Savings
1. Start investing early — even small contributions in your 20s can outgrow larger ones started later.
2. Maximize annual contributions up to the IRS limit whenever possible.
3. Increase contributions regularly as your income grows.
4. Reinvest all earnings — dividends and interest should stay invested, not withdrawn.
5. Diversify investments to balance growth potential with risk.
6. Avoid early withdrawals — pulling money out early sacrifices decades of future compounding.
7. Use employer-sponsored accounts alongside your Roth IRA — a 401(k) match plus a Roth IRA can meaningfully accelerate savings.
See your own Roth IRA projection
Enter your numbers and find out how much of your retirement balance could be tax-free growth.
Frequently Asked Questions
How does a Roth IRA Calculator work?
It projects your future Roth IRA balance by combining your current savings, planned contributions, and expected investment return using standard compound growth formulas.
How much should I contribute to my Roth IRA?
As much as you can, up to the annual IRS limit. Many planners suggest prioritizing at least enough to capture any employer 401(k) match first, then maximizing your Roth IRA.
What is the maximum Roth IRA contribution?
For 2026, the IRS limit is $7,500, or $8,600 if you’re age 50 or older, including the catch-up contribution.
Can I contribute after age 50?
Yes — and you can contribute more. Savers age 50 and older get an extra $1,100 catch-up contribution on top of the standard 2026 limit.
Are Roth IRA withdrawals really tax-free?
Yes, as long as the withdrawal is “qualified” — generally meaning the account has been open at least 5 years and you’re 59½ or older. Non-qualified withdrawals of earnings may be taxed and penalized.
What is the 5-year rule for a Roth IRA?
It requires your Roth IRA to have been open for at least 5 years before earnings can be withdrawn tax-free, even if you’re already past age 59½.
Can high-income earners contribute to a Roth IRA?
Direct contributions phase out at higher incomes (for 2026, above $168,000 MAGI for single filers or $252,000 for married filing jointly). High earners sometimes use a “backdoor Roth” strategy instead.
Is a Roth IRA better than a Traditional IRA?
It depends on your tax situation. A Roth IRA is often better if you expect to be in a higher tax bracket in retirement; a Traditional IRA may be better if you want a tax deduction now and expect lower taxes later.
How much can a Roth IRA grow over 30 years?
It depends heavily on your contributions and return rate, but consistent contributions over 30+ years at a long-term average return can easily grow into six or seven figures, with the majority coming from compounding rather than deposits.
Can I withdraw my contributions before retirement?
Generally yes — since contributions were already taxed, you can typically withdraw the amount you contributed (not earnings) at any time without taxes or penalties.
Key Takeaways
• A Roth IRA grows completely tax-free, and qualified withdrawals owe no federal income tax.
• Time in the market is the single biggest driver of your final balance — starting early matters more than contributing large amounts later.
• Compounding can make growth the majority of your final balance, often outweighing your actual contributions.
• Consistent, regular contributions beat trying to time the market.
• Roth IRAs have no required minimum distributions, giving you more flexibility in retirement.
• Always verify current-year IRS contribution limits and income phase-outs, since they typically change annually.
Related Calculators
This calculator and content are for general educational purposes only and do not constitute financial, tax, or investment advice. Contribution limits and income phase-out ranges are set by the IRS and may change annually — always verify current figures with the IRS or a licensed tax professional. Projections are estimates and are not guarantees of future performance.