# Compound Interest Calculator - Getting Interest on Interest

Use the Compound Interest Calculator to determine how much money you would accumulate by investing a given amount of money at a fixed annual rate of return for a specified period in years.

For example, if you invested $1,000 at a 6 percent annual rate of return, after 20 years you would have $3,207.14.

## Computational Notes:

The future value is computed using the following compound interest formula:Future Value = Investment Amount * (1 + Annual Rate of Return / 100) ^ Number Years

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