Step-up SIP Calculator
See how increasing your SIP every year — in line with salary hikes — transforms your final corpus. The math runs instantly in your browser. No sign-up, no data leaves your device.
Step-up SIP Summary
Growth Over Time
Year-by-Year Breakdown
| Year | Invested | Returns | Total Value | Growth % |
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Scroll horizontally to view all years. Values are projected based on the inputs above.
What is a Step-up SIP?
A step-up SIP is a Systematic Investment Plan where you increase your monthly investment by a fixed percentage every year — typically 5% to 10%, in line with your salary hikes. It is one of the most underused yet powerful techniques in long-term investing, because it acknowledges a simple reality: your income grows over time, and your investments should grow with it.
The mathematical impact of step-ups is dramatic. Over a 20-year horizon, a flat ₹10,000/month SIP at 12% grows to roughly ₹99 lakh. The same SIP, stepped up 10% every year, grows to roughly ₹1.85 crore — almost double. The additional corpus comes not from a higher starting investment, but from gradually increasing contributions as your income grows. This makes the step-up SIP both more affordable (you start with what you can spare today) and more aligned with your actual earning trajectory.
How the step-up SIP calculator works
The calculator computes the future value of a step-up SIP by treating each year as a separate 12-month SIP annuity. For year 1, the future value is computed for 12 monthly investments of the initial amount, compounded for the full duration. For year 2, the future value is computed for 12 monthly investments of the stepped-up amount, compounded for one year less. And so on. The total future value is the sum of all yearly annuities.
For example, with ₹10,000/month, 10% annual step-up, 12% expected return, 15-year horizon: Year 1 contributes ₹10,000/month growing for 15 years. Year 2 contributes ₹11,000/month growing for 14 years. Year 3 contributes ₹12,100/month growing for 13 years. The final year (year 15) contributes ₹37,560/month growing for just 1 year. The sum of all these future values is what the calculator displays as the total corpus.
For the mathematically inclined, the closed-form formula is more complex than a standard SIP because of the year-on-year increase, but the calculator handles it instantly. The bar chart shows the proportion of the final corpus that comes from your invested amount versus the wealth gained through compounding.
Why step-up SIPs change the math so dramatically
The reason step-up SIPs deliver 50–80% larger corpora than flat SIPs is that the increased contributions in later years are still getting meaningful compounding. A ₹10,000 monthly SIP stepped up 10% annually becomes ₹25,937/month in year 11 and ₹67,275/month in year 21. Even though these larger contributions have fewer years to compound, their sheer size means they contribute significantly to the final corpus.
Equally important, step-ups keep your savings rate roughly constant as a percentage of income. If you earn ₹50,000 today and invest ₹10,000 (20%), a flat SIP means you are still investing only ₹10,000 even when your salary has doubled to ₹1,00,000 — your savings rate has dropped to 10%. A 10% annual step-up keeps your investment growing roughly in line with your income, maintaining the discipline that builds wealth.
How to actually implement a step-up SIP
There are three practical ways to set up a step-up SIP in India:
- Built-in step-up facility: Most major fund houses (HDFC, ICICI Prudential, SBI, Mirae, Nippon, Kotak, DSP, etc.) now offer a "Step-up SIP" or "Top-up SIP" option at the time of registering the SIP mandate. You specify the step-up percentage and the date of annual increase, and the fund house automatically increases the debit amount each year.
- DIY platforms: Apps like Coin (by Zerodha), Kuvera, ETMoney, Groww, and Paytm Money allow you to set up automated step-ups. Some even support "smart" step-ups based on custom triggers.
- Manual top-ups: The simplest approach — keep your original SIP running, and add a separate new SIP each year with the incremental amount. For example, if you start with ₹10,000 in 2025, you start an additional ₹1,000 SIP in 2026, another ₹1,100 in 2027, and so on.
Whatever method you choose, the key is to make the step-ups automatic. Relying on your own discipline to manually increase the SIP every year usually fails — life gets in the way, and three years later you realise you have been investing the same ₹10,000 while your salary has risen 30%.
What step-up percentage should you use?
A sensible step-up percentage is one that matches your expected annual salary increase. For most salaried Indians, this is 8–10% in early-to-mid career, falling to 5–7% in senior roles. If you are in a fast-growing field (technology, financial services), 10–12% is achievable. If your income is variable (business owner, freelancer), use a more conservative 5% step-up and top up additionally in good years.
The biggest mistake people make is choosing a step-up that is too aggressive. A 20% annual step-up sounds impressive, but it means your SIP doubles every 4 years — by year 12, your monthly investment is 8× the original. For most people, this quickly becomes unaffordable. Stick to 8–10% for realistic planning.
What this calculator does NOT account for
As with all SIP calculators, this is a projection tool — actual returns will vary with market conditions. The calculator assumes a constant annual return, but real markets deliver volatile year-on-year returns. It also shows nominal future value, not real purchasing power — ₹1 crore in 20 years will buy what roughly ₹30 lakh buys today, given 5–6% Indian inflation.
The calculator does not account for taxes on redemption. When you withdraw your corpus, you will pay Long-Term Capital Gains tax (12.5% on equity gains above ₹1.25 lakh per financial year, post-July 2024 Budget). To estimate your post-tax corpus, knock off roughly 1–2 percentage points from the expected return.
For a deeper dive on step-up SIPs — including when NOT to step up, how to handle job changes, and how to combine step-ups with goal-based investing — read our complete guide: Step-up SIP: Why You Should Increase Your SIP Every Year.