🔄

Compound Interest Calculator

See how your money grows with the magic of compounding.

🎭

Enter Details

Principal Amount —

₹

Annual Interest Rate (%) —

Time Period (Years) —

Formula: A = P × (1 + r)ⁿ | Annual compounding

📊

Principal

—

Interest Earned

—

Total Amount

—

Invested

Returns

Compound interest earns interest on previously earned interest. It grows exponentially — the 'eighth wonder of the world'.

Divide 72 by the interest rate to estimate doubling time. At 12%, money doubles in ~6 years.