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Compound Interest Calculator

Visualize how your money grows exponentially when interest compounds over days, months, quarters, or years.

Compound Growth Metrics

Review the compounding analysis on your principal capital:

Initial Capital

The base amount invested before compound interest begins.

Compound Interest

The exponential returns earned over the duration.

Accumulated Wealth

The final maturity corpus representing principal plus all compounded interest.

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How is it calculated?

A = P \left(1 + \frac{r}{n}\right)^{nt}

Where A is the final amount, P is the principal, r is the annual rate, n is compounding frequency, and t is the time in years.

Worked Examples

₹50,000 Compounded Monthly for 3 Years

At a 10% annual rate compounded monthly for 3 years, ₹50,000 grows to a final balance of ₹67,409. Total compound interest earned is ₹17,409.

Daily Compounding Impact

Investing ₹1 Lakh for 5 years at 8% compounded daily yields ₹149,176, which is higher than annual compounding which yields ₹146,932.

Frequently Asked Questions

How does compounding frequency affect growth?
The more frequently interest is compounded (e.g., daily instead of annually), the faster your principal balance grows because interest is added back to earn more interest sooner.
What is the Rule of 72?
The Rule of 72 is a quick way to estimate how long it takes to double your money. Divide 72 by your annual interest rate (e.g., at 8% interest, it takes about 9 years to double).
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Results are estimates and should not be considered financial advice.

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