SIP Calculator: How Long Will a ₹1,000 Monthly SIP Take to Build a ₹10 Lakh Corpus?

Starting a Systematic Investment Plan (SIP) with just ₹1,000 per month may seem like a small step, but disciplined investing over a long period can help create a substantial investment corpus. The time required to reach a target of ₹10 lakh depends largely on the annual rate of return generated by the mutual fund.

While mutual fund returns are market-linked and cannot be guaranteed, estimated calculations based on different return assumptions can help investors understand the potential impact of long-term investing and compounding.

Here's how long a monthly SIP of ₹1,000 could take to grow into ₹10 lakh under different return scenarios.

Estimated Time to Reach ₹10 Lakh

The following estimates assume:

• Monthly SIP investment: ₹1,000

• Monthly compounding

• Regular investments without interruption

Estimated Annual Return Approximate Time to Reach ₹10 Lakh

10%	About 22 years 5 months
12%	About 20 years 1 month
15%	About 17 years 5 months

These figures are only illustrative and actual investment outcomes will depend on market performance and fund returns.

Small Difference in Returns Can Save Years

Long-term investing demonstrates the power of compounding, where investment returns themselves begin generating additional returns over time.

For example:

• At an estimated 10% annual return, it may take more than 22 years to accumulate ₹10 lakh.

• Increasing the return assumption to 12% reduces the investment period by over two years.

• At an estimated 15% annual return, the target may be achieved nearly five years earlier than in the 10% scenario.

This illustrates how even modest differences in long-term returns can significantly affect wealth creation.

How Step-Up SIP Can Help You Reach the Goal Faster

Investors whose income increases over time may consider a Step-Up SIP, also known as a Top-Up SIP.

Instead of investing the same amount every month throughout the investment period, the SIP contribution is increased annually.

Example

Suppose you begin with:

• Year 1: ₹1,000 per month

• Year 2: ₹1,100 per month

• Year 3: ₹1,210 per month

If the SIP amount is increased by 10% every year, the total investment grows steadily, allowing compounding to work on a larger contribution base.

As a result, investors may reach their financial target earlier while also creating a larger corpus over the long term.

Estimated Impact of a 10% Annual Step-Up SIP Estimated Annual Return Regular SIP Step-Up SIP (10% Annual Increase) Estimated Time Saved

10%	About 23.1 years	About 17.2 years	Around 6 years
12%	About 20.8 years	About 16.3 years	Around 4.5 years
15%	About 18.3 years	About 15 years	Around 3.3 years

These illustrations highlight how gradually increasing investments can significantly shorten the time required to achieve long-term financial goals.