
Many investors often wonder whether they should invest through a Systematic Investment Plan or put a larger amount at once.
A lumpsum calculator helps understand how both approaches may work over a long period, based on assumed returns and investment duration. This article is only for informational purposes and does not suggest or recommend any investment approach.
In this example, the investor puts ₹10,000 every month for 20 years. The assumed annualised return is 12%.
At the end of 20 years, the total value of the investment would be around ₹ 99,91,479.
The total amount invested would be ₹24,00,000, while the estimated return would be around ₹75,91,479.
This shows the power of regular investing and compounding over a long period. Even though the monthly amount looks small, disciplined investing for 20 years can create a sizeable corpus.
In the second scenario, the investor invests ₹15 lakh at one time for 20 years. The assumed annualised return is again 12%.
At the end of 20 years, the total value of the investment would be around ₹1,44,69,440.
The invested amount would be ₹15,00,000, while the estimated return would be around ₹1,29,69,440.
This happens because the entire ₹15 lakh gets the full 20 years to compound. The longer the money stays invested, the stronger the impact of compounding becomes.
In the SIP example, the investor contributes ₹24 lakh over 20 years, and the final value reaches nearly ₹99.91 lakh. In the lumpsum example, the investor contributes ₹15 lakh at the beginning, and the final value reaches nearly ₹1.44 crore.
The difference is mainly due to time in the market. In lumpsum investing, the full amount starts compounding from the first year. In SIP, each instalment enters the market at different points in time, so not every contribution gets the full 20 years to grow.
However, this comparison is based on a fixed assumed return of 12%. Actual market returns may vary every year.
Read More: SIP Calculator: How a ₹11,440 Monthly SIP Can Create a Corpus of ₹66.5 Lakh!
A lumpsum calculator gives a simple estimate of how a one time investment may grow over a chosen period. It helps investors understand the role of investment amount, return assumption and time horizon.
It also makes comparisons easier. Investors can check how different amounts, durations and return assumptions affect the final corpus. This improves clarity before making any financial decision.
The result of any calculation depends on the assumptions used. A 12% annualised return is only an estimate and not a guaranteed return. Markets can move up and down, and actual outcomes may be different.
SIP and lumpsum investing also suit different cash flow situations. Some investors may have regular monthly income, while others may have a large surplus available at once. Therefore, the numbers should be understood as an illustration, not as advice.
A lumpsum calculator shows how powerful compounding can become when money stays invested for a long period. In the given examples, the lumpsum investment grows to a higher amount because the full capital remains invested for the entire 20 years.
At the same time, SIP also creates meaningful wealth through regular and disciplined investing. The comparison simply highlights how investment amount, timing and duration can influence long term wealth creation.
Read stock market news in Hindi. Head to Angel One's share market news in Hindi for comprehensive coverage.
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 22, 2026, 3:41 PM IST

Team Angel One
We're Live on WhatsApp! Join our channel for market insights & updates
