Explained: Want to build a corpus with a Rs 15,000 monthly SIP? Know Rule 15*15*30

When choosing a mutual fund, investors often have a target return and corpus in mind. The Rule 151530 offers a simple framework for investors looking to build a sizeable corpus over the long term. Under this approach, investing Rs 15,000 every month for 30 years, assuming an annual return of 15%, can help investors build substantial wealth through the power of compounding.

Compounding is the process of generating returns on both the initial investment and the returns earned over time. When investors invest regularly and the returns are reinvested, the accumulated amount can generate further returns in subsequent periods, helping wealth grow faster over the long term.

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According to the Rule 15*15*30, investing Rs 15,000 each month with a 15% return for 30 years can help in achieving long-term financial goals. The formula highlights the importance of consistent investment over an extended period.

When looking to calculate the target corpus using Rule 15*15*30, investors can use compounding calculators to estimate their potential returns. This strategy can provide a clear and tangible goal for those aiming for financial security and growth.


The Rule 15*15*30 encourages disciplined and regular investment, which can be crucial for achieving significant long-term financial goals. By allocating 15% of their income into a mutual fund for 30 years, investors can accumulate a substantial corpus.
An investment of Rs 15,000 monthly over 15 years results in a total capital outlay of Rs 27,00,000. Assuming a 15% annual return, the projected long-term capital gains are estimated to be Rs 74,52,946. After 15 years, the total amount accumulated would be Rs 1,01,52,946.It’s essential for investors to remain consistent and patient. The extended investment period and compounding returns can significantly amplify the initial investments, leading to substantial financial growth.

For investors looking to venture into mutual funds with the Rule 15*15*30, it’s advised to have a clear understanding of their risk profile and financial goals. Professionally managed mutual funds can offer a reliable avenue for long-term wealth creation, provided the investments are maintained consistently.

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If you are looking to calculate the target corpus using Rule 15*15*30, here is how you can calculate.

1ET Online

(Disclaimer: Recommendations, suggestions, views and opinions given by the experts are their own. These do not represent the views of The Economic Times)

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