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Roth IRA Calculator

This Roth IRA Calculator helps you estimate the future value of your retirement savings based on regular contributions and compounded investment growth.

Roth IRA Growth Estimator

Input Fields
P
$
Enter how much you contribute annually to Roth IRA
Tax
%
Your current marginal tax rate (for info only)
n
years
Number of years you will contribute
r
%
Expected annual rate of return
If enabled, the result will update automatically when you change any value.

Roth IRA Future Value Formula

Formula
$$FV = P \times \frac{(1 + r)^n – 1}{r}$$

Where:

  • $$FV$$ = Future value of the Roth IRA account
  • $$P$$ = Annual contribution amount
  • $$r$$ = Annual interest rate (as decimal)
  • $$n$$ = Number of years until retirement


Roth IRA – Calculation Example

Let’s say you contribute $6,000 per year for 30 years, with an average return of 7% annually.

Calculation:

  1. $$FV = 6,000 \times \frac{(1 + 0.07)^{30} – 1}{0.07}$$
  2. $$= 6,000 \times \frac{(7.612255) – 1}{0.07}$$
  3. $$= 6,000 \times 94.46 \approx 566,760$$

The Roth IRA would grow to approximately $566,760.


A Roth IRA allows individuals to contribute after-tax income and withdraw tax-free in retirement. This calculator helps you project how your savings will grow over time, assuming consistent yearly contributions and compound interest. Ideal for long-term retirement planning.

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