Step-Up SIP Calculator
See how much faster your SIP grows when you increase your monthly investment by a fixed percentage every year.
How much you'll increase your monthly SIP by, once a year.
Market-linked returns are not guaranteed — this is an assumption.
Projected value
₹33,74,326
Wealth gained: ₹14,61,835
Absolute returns
76.44%
Step-Up SIP tips
- Set the step-up to roughly match your expected annual salary increment, not more.
- Compare the projected value against a regular SIP of the same starting amount to see the difference a step-up makes.
- Automate the step-up with your mutual fund platform if it's supported, so you don't have to remember to increase it manually.
How it's calculated
A Step-Up SIP increases your monthly investment by a fixed percentage once every year, rather than staying flat like a regular SIP. Because the contribution amount changes each year, there's no single formula — we simulate the growth month by month, applying that year's contribution and the assumed monthly return at each step.
Example
Starting at ₹10,000/month with a 10% annual step-up, a 12% assumed return, over 10 years, grows to roughly ₹33,74,326 — on ₹19,12,491 invested, about ₹14,61,835 in wealth gained.
About Step-Up SIPs
A Step-Up (or "top-up") SIP is a simple tweak to a regular SIP: instead of investing the same amount every month for years, you increase it by a fixed percentage once a year — typically in line with an expected salary increment. Over a long horizon, this can grow your corpus substantially more than a flat SIP of the same starting amount.
How it works
You set a starting monthly investment and an annual step-up percentage. Every 12 months, the monthly investment increases by that percentage and continues at the new, higher level until the next step-up. The underlying mechanics are the same as a regular SIP — deposit at the start of the month, compounding at the assumed monthly return — just with a growing contribution.
How to use it
- Set your starting monthly investment.
- Set the annual step-up percentage — how much you'll increase your SIP by each year.
- Set your expected annual return and investment period.
- Compare the projected value against a regular SIP at the same starting amount to see the step-up's impact.
Strategies
A step-up of roughly your expected annual salary increment keeps the SIP's share of your income roughly constant, without it becoming an increasing strain on your budget. Setting it much higher than your real income growth can leave you unable to sustain the increases in later years — a modest, sustainable step-up beats an ambitious one you have to stop.
Important caveats
- The expected return you enter is an assumption — actual market-linked returns fluctuate and are not guaranteed.
- This calculator assumes the step-up happens reliably every year for the full tenure — a real step-up SIP depends on you actually increasing the instalment (most platforms support automating this, but check yours).
- It doesn't account for inflation eroding the real value of the projected corpus — the number shown is in future rupees, not today's purchasing power.
Why it works
Because each year's contribution is fixed but different from the year before, we can't use one closed-form annuity formula — instead we track the running balance month by month, adding that month's contribution (based on the current step-up level) and applying the monthly return, exactly as SIP maths always works, just repeated with a growing input.
Benefits
- Grows your investment contribution in step with rising income, rather than losing real value to inflation over time.
- Can meaningfully outgrow a flat SIP of the same starting amount over a long horizon.
- Most SIP platforms support automating the annual step-up, so it requires little ongoing effort.
Frequently asked questions
How is a Step-Up SIP different from a regular SIP?
A regular SIP keeps the same monthly investment throughout. A Step-Up SIP increases that monthly amount by a fixed percentage once every year — so your contribution grows in line with your income, rather than staying flat.
How is the future value calculated, since the monthly amount keeps changing?
There's no single closed-form formula once the contribution changes each year, so we simulate it month by month: each month's contribution (based on that year's step-up level) is added and then grows at the assumed monthly return, the same annuity-due convention as a regular SIP.
Is a bigger step-up always better?
A higher step-up grows your corpus faster, but only if your income growth can actually sustain it — setting the step-up higher than your real income growth just strains your budget. Match it to a realistic annual raise.
Learn more from official sources
- AMFI (Association of Mutual Funds in India) — industry body for mutual fund investor education.
- SEBI — regulator for mutual funds and securities markets in India.
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