
A lumpsum calculator helps investors compare how an investment may grow over a selected period. In this example, we compare two approaches. One is investing ₹10 lakh gradually through SIP, and the other is investing ₹10 lakh as a single lumpsum amount for 15 years.
In the 1st scenario, the investor chooses SIP.
The monthly SIP amount is ₹5,560. The investment period is 15 years. The assumed annualised return is 12%.
At the end of 15 years, the total value of the investment would be ₹28,05,443.
The total invested amount would be ₹10,00,800, while the estimated returns would be ₹18,04,643.
In SIP, every instalment is invested at a different time. This means the first SIP gets more time to grow, while the later SIP instalments get a shorter period for compounding.
In the 2nd scenario, the investor invests ₹10 lakh in one go.
The investment period remains 15 years. The assumed annualised return is also 12%.
At the end of 15 years, the total value of the investment would be ₹54,73,566.
The invested amount would be ₹10,00,000, while the estimated returns would be ₹44,73,566.
In this case, the full amount remains invested from the beginning, allowing the entire capital to benefit from compounding for the full 15 year period.
Read More: SIP Calculator: How ₹25,000 SIP Beats ₹50,000; Why Longer Tenure Matters More Than Larger Amounts!
Based on the given assumptions, the lumpsum investment gives a higher final value than SIP.
The SIP route grows to ₹28,05,443, while the lumpsum investment grows to ₹54,73,566. The difference is mainly because the full lumpsum amount gets more time in the market.
This does not mean one method is suitable for everyone. SIP and lumpsum investing work differently, and the outcome may change depending on market conditions, entry point and investor behaviour.
A lumpsum calculator clearly shows the role of time and compounding in wealth creation. In this example, ₹10 lakh invested as lumpsum grows to a higher value than the SIP route over 15 years at an assumed return of 12% annualised.
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Disclaimer: This blog has been written exclusively for educational purposes. The securities or companies mentioned are only examples and not recommendations. This does not constitute a personal recommendation or investment advice. It does not aim to influence any individual or entity to make investment decisions. Recipients should conduct their own research and assessments to form an independent opinion about investment decisions.
Mutual Fund investments are subject to market risks, read all scheme-related documents carefully.
Published on: May 20, 2026, 1:33 PM IST

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