
A SIP calculator is a useful tool to estimate how regular monthly investing may grow over time. It helps individuals understand the possible future value of investments based on the monthly SIP amount, investment period and assumed annualised return. This article uses simple illustrations for educational purposes only.
The 50:30:20 rule is a widely discussed budgeting framework. Under this approach, 50% of income is kept for needs, 30% for wants and 20% for savings and investing.
For a person earning ₹1 lakh per month at the age of 35, the 20% savings portion would mean a monthly SIP of ₹20,000. If this amount is invested every month for 25 years, the investment period would continue till the age of 60.
Assuming an annualised return of 12%, the SIP calculator shows that the total value after 25 years would be around ₹3,79,52,702. The total amount invested would be ₹60,00,000 and the estimated return would be around ₹3,19,52,702.
This illustration shows that disciplined investing over a long period can create a sizeable corpus. However, under the given assumptions, a monthly SIP of ₹20,000 may not be enough to reach the ₹5 crore mark.
If the same person increases the monthly investment from 20% to 30% of income, the SIP amount rises to ₹30,000 per month.
With an investment period of 25 years and an assumed annualised return of 12 per cent, the estimated corpus would be around ₹5,69,29,053. The total amount invested would be ₹90,00,000 and the estimated return would be around ₹4,79,29,053.
This SIP calculator illustration highlights how a higher savings rate can make a meaningful difference over long periods.
The increase from ₹20,000 to ₹30,000 per month changes the outcome significantly because compounding works on a larger monthly investment base.
Read More: SIP Calculator: How ₹25,000 SIP Beats ₹50,000; Why Longer Tenure Matters More Than Larger Amounts!
A SIP calculator can help explain how regular investing may contribute towards long term wealth creation. In the given illustration, investing 20% of a ₹1 lakh monthly income may create an estimated corpus of around ₹3.80 crore over 25 years at 12 per cent annualised return. Increasing the SIP to 30% of income may raise the estimated corpus to around ₹5.69 crore under the same assumptions.
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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: Jun 12, 2026, 4:08 PM IST

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