Step-Up SIP Calculator
See the power of increasing your SIP every year. Enter your starting monthly amount, annual step-up, expected return, and tenure to project your corpus with a growth chart.
Understanding the Step-Up SIP Calculator
A step-up SIP (also called a top-up SIP) is a systematic investment plan whose monthly contribution rises by a fixed percentage every year, usually to match salary growth. This calculator projects the maturity value of such a plan for Indian mutual fund investors who expect their income, and therefore their savings capacity, to increase annually. Inputs are the starting monthly amount, the annual step-up rate, an expected return, and the investment duration. Outputs are estimates and depend on market performance.
How it works
Provide the initial monthly SIP, the annual step-up percentage, the expected annual return, and the number of years. Internally the tool compounds contributions monthly. For each year it grows that year's deposits at the monthly rate, then increases the monthly amount by the step-up percentage for the next year. It sums every installment's future value to maturity. The result shows total invested, estimated maturity, and wealth gained. Compare a step-up plan against a flat SIP at the same starting amount to see how rising contributions compound into a markedly larger corpus over long horizons.
Worked example
Start at 10,000 rupees/month, step up 10 percent each year, assume 12 percent annual return over 10 years. The monthly amount climbs from 10,000 to about 23,580 by year 10. Total invested is roughly 19.1 lakh, versus 12 lakh for a flat 10,000 SIP. The stepped-up plan matures near 33-34 lakh against about 23 lakh for the flat plan, so annual increases add roughly 10 lakh extra over the decade.
Tips & common mistakes
- Match the step-up rate to your realistic annual salary hike, often 7-10 percent, not an aspirational figure.
- Even a modest 5 percent step-up meaningfully beats a flat SIP over 15-plus years due to compounding.
- Most fund houses let you automate top-ups; confirm your AMC supports a percentage-based step-up.
- Returns shown are pre-tax estimates; equity LTCG and exit loads reduce the actual corpus.
- Revisit the rate yearly; pause or trim step-ups in tight years rather than abandoning the SIP entirely.
Sources & methodology
- • AMFI (Association of Mutual Funds in India) — SIP investor resources (https://www.amfiindia.com)
- • SEBI Investor Education — systematic investing guidance (https://investor.sebi.gov.in)
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Reviewed by the TopOpenTools editorial team · Last updated June 2026. These tools provide general estimates for educational purposes only and are not financial, tax, insurance, investment, or medical advice. Verify important decisions with a qualified professional.
Frequently Asked Questions
What is a step-up (top-up) SIP?
A step-up SIP automatically increases your monthly investment by a fixed percentage every year — usually in line with your rising income. It can dramatically grow your final corpus versus a flat SIP.
How much should I step up?
A common choice is 10% per year, roughly matching salary growth. Even a modest annual increase compounds into a much larger maturity value over time.
Is this an estimate?
Yes. It assumes a constant expected return, which real markets do not provide. It is for information only, not investment advice.