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$1,000 invested at 3% for 40 years

Future value

$3,262

Interest earned

$2,262

Total growth

226.204%

Investing $1,000 at 3% compounded annually for 40 years grows to $3,262. That's $2,262 of compound interest earned on your original $1,000.

FV = $1,000 × (1 + 3%)^40

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