Compound Interest Calculator
Visualize how your money grows exponentially over time with the power of compounding.
Calculate Growth
Enter your investment details below
Exponential Growth
See how "interest on interest" accelerates your wealth building over long periods.
Accurate Projections
Compute future values with precise daily, monthly, or annual compounding frequencies.
Why Compound Interest Matters
Albert Einstein famously called compound interest the "eighth wonder of the world." He who understands it, earns it; he who doesn't, pays it.
Unlike simple interest, which is calculated only on the principal amount, compound interest includes interest on the interest you've already earned. This creates a snowball effect that can turn small, regular savings into significant wealth over time.
The Rule of 72
Want to know how quickly your money will double? Divide 72 by your interest rate. For example, at 8% return, your money doubles in 9 years (72 ÷ 8 = 9).
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