Compound Interest Calculator — Power of Compounding
Visualize exponential wealth growth with flexible compounding frequencies (Annually, Quarterly, Monthly, Daily) and periodic deposits.
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Wealth Structure Breakdown
Year-by-Year Compound Trajectory
| Year | Opening Principal | Yearly Additions | Interest Earned | Ending Balance |
|---|---|---|---|---|
| Year 1 | ₹2,00,000 | ₹0 | +₹24,000 | ₹2,24,000 |
| Year 2 | ₹2,24,000 | ₹0 | +₹26,880 | ₹2,50,880 |
| Year 3 | ₹2,50,880 | ₹0 | +₹30,106 | ₹2,80,986 |
| Year 4 | ₹2,80,986 | ₹0 | +₹33,718 | ₹3,14,704 |
| Year 5 | ₹3,14,704 | ₹0 | +₹37,764 | ₹3,52,468 |
| Year 6 | ₹3,52,468 | ₹0 | +₹42,296 | ₹3,94,764 |
| Year 7 | ₹3,94,764 | ₹0 | +₹47,372 | ₹4,42,136 |
| Year 8 | ₹4,42,136 | ₹0 | +₹53,056 | ₹4,95,192 |
| Year 9 | ₹4,95,192 | ₹0 | +₹59,423 | ₹5,54,615 |
| Year 10 | ₹5,54,615 | ₹0 | +₹66,554 | ₹6,21,169 |
| Year 11 | ₹6,21,169 | ₹0 | +₹74,540 | ₹6,95,709 |
| Year 12 | ₹6,95,709 | ₹0 | +₹83,485 | ₹7,79,194 |
| Year 13 | ₹7,79,194 | ₹0 | +₹93,503 | ₹8,72,697 |
| Year 14 | ₹8,72,697 | ₹0 | +₹1,04,724 | ₹9,77,421 |
| Year 15 | ₹9,77,421 | ₹0 | +₹1,17,291 | ₹10,94,712 |
Example: ₹2 Lakh at 12% Annual Compounding for 15 Years
An initial principal of ₹2,00,000 compounding annually at 12% without any further additions for 15 years.
- Principal:₹2,00,000
- Annual Rate:12.0% p.a.
- Duration:15 Years
- Final Amount:₹10,94,713
- Compound Interest:₹8,94,713
- Multiplier:5.47x
Key Takeaway: Compounding turns ₹2 Lakh into nearly ₹11 Lakh over 15 years — multiplying your initial wealth by over 5.4 times.
How This Calculation Works (Mathematical Formula)
A is final amount, P is principal, r is decimal interest rate, n is compounding frequency per year, and t is years.
Frequently Asked Questions
Divide 72 by your annual rate of return to estimate how many years it will take for your money to double (e.g. 72 / 12% = ~6 years).
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Helpful Guides & Explanations
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