Investing

27 Oct 2026

7 min read

Team mastertrust

Step Up SIP: How Increasing Your SIP Every Year Changes Your Final Corpus

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Key Takeaways

  1. A step-up SIP lets you increase your monthly SIP amount at a set interval, usually once a year, by a fixed amount or a percentage.
  2. A yearly step-up increases the amount you invest, and the additional instalments can also earn returns over the remaining investment period.
  3. A larger corpus also comes from investing more money overall, so compare both the total invested and the estimated value when you use a SIP calculator.
  4. Returns from mutual funds are market-linked. Any corpus figure from a SIP calculator is only an estimate and not a guaranteed or promised return.
  5. Choose a step-up rate based on your expected income, regular expenses and other financial commitments so that you can review the higher SIP amount each year.

Many investors start a SIP with a small amount and never change it, even as their salary grows.

A step-up SIP lets you increase your investment periodically, which can help you raise your contributions as your income grows.

 

This blog explains how a step-up SIP works, how it can change your final corpus, and how to compare outcomes using a SIP calculator.

What Is a Step Up SIP?

A step-up SIP is a systematic investment plan in which you raise your monthly instalment at a fixed interval. The increase can be set in two ways:

  • Fixed amount: For example, you add ₹500 to your SIP every year.
  • Percentage: For example, you raise your SIP by 10% every year.

Some mutual fund schemes offer a top-up or step-up facility that lets you increase your SIP amount periodically. The available increase, frequency and registration process depend on the scheme and the fund house.

Why Does Increasing Your SIP Every Year Matter?

A regular SIP keeps the monthly contribution unchanged. A step-up SIP increases it at set intervals. The additional contributions remain invested for the rest of the investment period and may earn returns. Over time, this can change the estimated final corpus.

 

The cost of goals such as a child's education or retirement also rises with inflation. Reviewing your SIP amount as your income and goal requirements change can help you reassess whether your investment plan remains suitable.

How a Step Up SIP Changes Your Final Corpus

Here is an illustrative example based on an assumed annual return of 12%, with monthly compounding. These figures are for explanation only, are not linked to any specific fund, and do not represent guaranteed returns.

 

Assumptions: Starting SIP of ₹5,000 per month, investment period of 20 years, assumed annual return of 12% calculated as 1% per month, monthly contributions made at the beginning of each month, and the step-up applied at the start of each year.

 

In this illustration, a 10% yearly step-up nearly doubles the estimated corpus of a regular SIP.

The total amount invested is also higher with a step-up SIP. The difference in estimated corpus reflects both the additional contributions and the returns those contributions may earn over the investment period.

How to Use a SIP Calculator for Step Up SIP

A SIP calculator estimates how your investment may grow. Many calculators also have a step-up option. Enter:

  • Your starting monthly SIP amount
  • The expected annual rate of return (an assumption, not a promise)
  • The investment tenure in years
  • The step-up rate or amount per year

Use the SIP calculator once for a regular SIP and once for a step-up SIP. Compare the total amount invested and the estimated corpus. You can also enter different assumed return rates to see how the estimates change under different scenarios.

How to Choose the Right Step-Up Rate

A few points can help you decide:

  • Your income growth: Consider your expected income growth when choosing a step-up rate. Make sure the increased SIP amount fits your budget even if your income does not rise as expected.
  • Your goal amount: Work backwards from your target corpus using a SIP calculator to see what step-up rate gets you closer to it.
  • Your other commitments: EMIs and household expenses also grow, so leave room in your monthly budget.

Review your step-up amount every year to make sure it remains affordable alongside your other expenses and financial commitments.

Common Doubts About Step Up SIP

Can I start a step-up SIP on an existing SIP?

This depends on the fund house. Some allow a top-up on an existing SIP, while others may need a new SIP registration.

 

Does a step-up SIP reduce risk?

No. A step-up SIP changes how much you invest, not the risk of the fund. The value of your investment will still move with the market, especially in schemes that invest in stocks.

 

Is the corpus shown by a SIP calculator guaranteed

No. A SIP calculator uses the return rate you enter to estimate a future value. Actual returns depend on market performance and may be higher or lower than the estimate.

How mastertrust Helps With Step Up SIP

mastertrust offers mutual funds investment options through SIP on mastertrust.co.in. You can explore available schemes and start a SIP from the mastertrust mutual funds page.

 

If you are new to SIPs, read about the key things to know about systematic investment plans before choosing your step-up amount.

Final Thoughts

A step-up SIP lets you increase your contributions over time. Even a small yearly increase can affect your estimated corpus over a long investment period, depending on the amount invested and the returns earned.

Use a SIP calculator to compare regular and step-up options, look at both the amount invested and the estimated value, and pick a step-up rate you can sustain year after year.

Frequently Asked Questions (FAQ)

1. What is a step-up SIP in simple terms?

It is a SIP in which you increase your monthly amount at regular intervals, usually once a year.

2. How much should I increase my SIP every year?

The right step-up rate depends on your income, financial goals, regular expenses and other commitments. Choose a rate that fits your budget and review it as your circumstances change.

3. Does a step-up SIP always give a higher corpus than a regular SIP?

With the same return assumption, a step-up SIP generally shows a higher estimated corpus because you invest more over time. Actual outcomes depend on market performance.

4. How do I calculate returns on a step-up SIP?

You can use a SIP calculator with a step-up option. Enter your starting amount, step-up rate, tenure and an assumed return rate to see an estimated corpus.

5. How is a step-up SIP different from a lump-sum investment?

A step-up SIP involves regular installments that increase at set intervals. A lump-sum investment involves investing an amount at one time. The choice depends on your available funds, cash flow and financial goals.

6. Can I start a step up SIP with mastertrust?

You can start a SIP in mutual funds through mastertrust. Step-up options depend on the scheme and fund house, so check the details on the platform before you register.

 

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