SIP Calculator: In the modern era, people are adopting an excellent strategy to earn substantial sums by investing. Today, the SIP—or Systematic Investment Plan—has emerged as a highly popular method of investing in mutual funds. Through this method, even small amounts can, over time, accumulate into a significant corpus.
Given its numerous advantages, hundreds of thousands of investors today are initiating SIPs with modest monthly contributions—such as ₹500, ₹1,000, or ₹2,000. A common question that frequently crosses people’s minds is: if one were to invest just ₹1,000 every month, how long would it take to build a corpus of ₹5 lakh? If you are seeking the answer to this question, there is no need to worry. Here, we will help you understand the calculations based on assumed annual returns of 12%, 15%, and 20%.

Duration Required for a 12% Return
Let’s assume you initiate a monthly SIP of ₹1,000 and receive an average annual return of 12%. It would take approximately 15 years to build a corpus of ₹5 lakh. During this period, your total investment would amount to roughly ₹1.80 lakh. The remaining sum—exceeding ₹3 lakh—would be generated through the power of compounding and the returns earned on your investment. Many high-quality equity mutual funds have historically delivered returns of 12% over the long term; therefore, this figure is generally considered a realistic and balanced estimate.
How Does Money Grow with a 15% Return?
In this scenario, if your investment yields an average annual return of 15%, a corpus of ₹5 lakh could be built in approximately 13 years and 3 months. In this instance, your total investment would be around ₹1.59 lakh, with the remaining amount being generated through investment returns. Typically, a 15% return is observed over the long term in strong market conditions, a favourable economic environment, and within high-performing Flexi-cap or Mid-cap funds. **Understanding How a 20% Return Works**
If you receive an average return of 20% on a Systematic Investment Plan (SIP), a corpus of ₹5 lakh can be built in approximately 11 years and 2 months. In this scenario, the total investment would amount to roughly ₹1.34 lakh, while a sum exceeding ₹3.5 lakh would be generated solely through returns and compounding.
Typically, a 20% return is observed during specific periods—such as in bullish markets, high-growth sectors, or within certain mid-cap and small-cap funds. Sustaining such returns consistently over the long term is not easy, and it also entails a higher level of risk.
Slight Differences in Returns Can Have a Major Impact
The greatest strength of a SIP lies in the power of compounding. This is why even a difference of just a few percentage points—between returns of 12%, 15%, and 20%—can effectively reduce the time required to reach a financial goal by several years. At a return rate of 12%, building a corpus of ₹5 lakh could take approximately 15 years. Conversely, if a return of 20% is achieved, this very same goal can be attained nearly four years earlier.





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