$1,000 invested at 9% for 40 years
Future value
$31,409
Interest earned
$30,409
Total growth
3,040.94%
Investing $1,000 at 9% compounded annually for 40 years grows to $31,409. That's $30,409 of compound interest earned on your original $1,000.
FV = $1,000 × (1 + 9%)^40
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