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/ Investment Calculator
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Υπολογιστής απόδοσης επένδυσης
Calculate how your investments grow over time with compound interest. See yearly projections, total returns, and compare different contribution strategies.
Initial Investment ($)
Monthly Contribution ($)
Ετήσιο επιτόκιο (%)
Investment Period (Years)
1 yr20 χρόνια50 yrs
Compound Frequency
Inflation Rate (%) (optional)
Final Portfolio Value
$0
in 20 years
Year-by-Year Growth
How Compound Interest Works
Compound interest is interest earned on both your principal και your previously earned interest. Albert Einstein reportedly called it "the eighth wonder of the world." The key formula is A = P(1 + r/n)^(nt) + PMT × [(1+r/n)^(nt) - 1] / (r/n).
The most important factor is time. Starting 10 years earlier can double your final portfolio. The earlier you start, the more compound interest works in your favor.