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حاسبة عائد الاستثمار
Calculate how your investments grow over time with compound interest. See yearly projections, total returns, and compare different contribution strategies.
Initial Investment ($)
Monthly Contribution ($)
سعر الفائدة السنوي (%)
Investment Period (Years)
1 yr20 سنة50 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 و 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.