Compound Interest

Watch your money snowball — interest earning interest over time.

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Maturity Value
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Principal + all compounded interest
Principal
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Your original investment
Interest Earned
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Growth from compounding
Real Value
—
Inflation-adjusted maturity value
Formula: A = P × (1 + r/n)ⁿᵗ — interest is calculated on your growing balance each period, not just the original amount. The more frequent the compounding, the higher the effective return.
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Compound vs. Simple Growth
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The Power of Compounding — Einstein's 8th Wonder

Compound interest is the process where the interest you earn on your investment is added back to the principal, and then you earn interest on that combined amount. Over long periods, this creates a snowball effect known as exponential growth. As Albert Einstein famously said, understanding this concept is the key to building significant wealth.

Monthly vs Yearly Compounding Calculator

The frequency of compounding matters. Most bank savings accounts in India calculate interest quarterly, while some fixed deposits and corporate bonds might use half-yearly or yearly compounding. Our compound interest calculator India allows you to toggle between these frequencies to see exactly how much 'interest on interest' you are gaining.

Compound Interest Formula Explained

The math behind our tool follows the standard universal formula: A = P × (1 + r/n)ⁿᵗ.

  • P: Your initial principal (seed money).
  • r: Annual interest rate (in decimal).
  • n: Number of times interest compounds per year.
  • t: Total time in years.

Impact of Inflation on Compounding

While compounding grows your money, inflation reduces its future purchasing power. If your money compounds at 8% but inflation is at 6%, your 'Real' rate of return is only ~2%. Use our integrated inflation toggle to see the real-world value of your future wealth in today's terms.