Compound Interest Calculator
Calculate how your money grows with compound interest — interest earned on interest. See your final balance, total interest earned, and growth breakdown.
Final Balance
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Power of Compounding
Compound interest is often called the "eighth wonder of the world." Unlike simple interest, compound interest earns returns on both the principal and accumulated interest, creating exponential growth over time.
A = P × (1 + r/n)^(n×t)
Where n = compounding frequency per year
Where n = compounding frequency per year
Example
₹1,00,000 at 10% for 10 years compounded monthly:
Final Amount ≈ ₹2,70,704
Interest Earned = ₹1,70,704