Roth IRA Calculator — Retirement Growth, Contributions & Future Value
Roth IRA Calculator
Project your Roth IRA balance, contributions, investment growth, and future value at retirement.
Retirement inputs
Scenario analysis
Year-by-year growth
| Year | Age | Contribution | Growth | Balance |
|---|
How Roth IRA growth works
A Roth IRA can grow over time when your investments earn returns and your contributions are added consistently. Because qualified withdrawals are tax-free in retirement, the compounding effect can be meaningful over decades.
Two major drivers matter most: time and rate of return. The longer your investments remain invested, the more compounding can work in your favor. A modest rate difference can materially change the end balance over 20 or 30 years.
It also helps to separate the source of growth. The initial balance is not a new contribution, while each annual contribution adds fresh capital that can continue compounding in later years.
- Compounding works best with long time horizons.
- Contributions are distinct from investment growth.
- Inflation reduces future purchasing power, which is why real value estimates matter.
- Return assumptions are estimates and may differ from actual market outcomes.
Frequently asked questions
What does this calculator estimate?
It estimates the value of a Roth IRA based on your current balance, annual contributions, expected rate of return, and years until retirement.
How is the future value calculated?
The calculator models annual compounding and adds annual contributions each year to estimate the balance at retirement.
Does this account for inflation?
Yes. The “real value” figure adjusts the future total using an inflation assumption so you can understand the likely purchasing power in today’s dollars.
Are the results guaranteed?
No. Investment returns vary, and actual outcomes may differ materially from the estimate, especially over long periods.
Why is the contribution amount separate from growth?
Your contributions are the capital you add; investment growth is the return generated on that capital over time. Both matter, but they are different components of the final value.
Does this replace tax or legal advice?
No. This is an educational estimate, not tax, legal, or financial advice. Roth IRA contribution limits and eligibility rules can change and may vary by individual circumstances.