15X15X30 SIP Formula Explained: How A Rs 15,000 Monthly Investment Could Grow Beyond Rs 8 Crore

Creating substantial wealth does not always require a large lump sum investment. For many investors, regular contributions through a Systematic Investment Plan (SIP) have emerged as an effective way to build a sizeable corpus over time. Financial experts often emphasise that the real strength of SIP investing lies in consistency, patience and the power of compounding . One popular illustration, known as the 15X15X30 formula, demonstrates how disciplined investing over three decades could potentially turn modest monthly contributions into an investment corpus worth more than Rs 8 crore, assuming favourable long-term returns.