Compound Interest Calculator

See how your savings and investments grow over time with compound interest and regular contributions. Adjust for inflation to see real purchasing power.

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Your Investment

$10,000
$500/mo
7%

S&P 500 historical average: ~10% (7% after inflation)

30 years
3%
Your Investment Will Grow To
$694,709
In today's dollars: $286,211 (adjusted for 3% inflation)
Total Deposited
$190,000
27% of final
Interest Earned
$504,709
73% of final

Growth Over Time

Year 1
$16,955
Year 5
$50,182
Year 10
$107,144
Year 15
$187,895
Year 20
$302,370
Year 25
$464,653
Year 30
$694,709
Contributions
Interest
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