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Roth IRA Calculator

Updated 2026

A Roth IRA calculator shows you the remarkable power of tax-free growth. Unlike Traditional IRAs, Roth contributions grow tax-free and qualified withdrawals in retirement are completely tax-free.

How to Use This Calculator

Enter your current age, current Roth IRA balance, and how much you plan to contribute annually (up to the $7,000 limit for 2026). Set your expected annual return and target retirement age. Click Calculate to see your projected balance at retirement, the total contributions you made, and the tax-free earnings your money generated.

How It's Calculated

The Roth IRA projection uses the same future value formula as other investment calculators:

FV = P × (1 + r/n)^(n×t) + PMT × [ ((1 + r/n)^(n×t) − 1) / (r/n) ]

The difference is in the tax treatment, not the math. Contributions are made after-tax (no deduction now), but all growth and qualified withdrawals are entirely tax-free. The calculator applies the annual contribution limit ($7,000 for 2026, or $8,000 with catch-up for age 50+).

Frequently Asked Questions

The key difference is when you pay taxes. Roth IRA contributions are made with after-tax dollars — you get no upfront tax deduction, but qualified withdrawals in retirement are completely tax-free. Traditional IRA contributions may be tax-deductible now, but withdrawals in retirement are taxed as ordinary income. Roth IRAs also have no required minimum distributions (RMDs), making them excellent for estate planning. For young investors in lower tax brackets, Roth IRAs are particularly attractive.
In 2026, you can contribute the full amount to a Roth IRA if your modified adjusted gross income (MAGI) is under $150,000 (single) or $240,000 (married filing jointly). Contributions phase out between $150,000–$165,000 (single) and $240,000–$255,000 (married). Above those limits, you cannot contribute directly to a Roth IRA, but you may be able to use a "backdoor Roth IRA" strategy — contributing to a Traditional IRA first, then converting it to Roth.
The 2026 Roth IRA contribution limit is $7,000 per year ($8,000 if you're age 50 or older, including the $1,000 catch-up contribution). This is the combined limit across all your IRAs — both Roth and Traditional combined. You can split the limit between Roth and Traditional as you choose, but the total cannot exceed $7,000 (or $8,000 with catch-up).

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