SIP Calculator - Mutual Fund Returns & Step-up SIP

Estimate your future mutual fund returns or calculate step-up SIP wealth projections with dynamic graphical visualizers.

Reviewed for Budget 2025 • Last updated 19 June 2026 • by Sandesh D.

SIP Parameters

Monthly Investment₹10,000
Amount you plan to invest every month
₹
Expected Return Rate (% p.a.)12%
Assumed annual growth rate of your mutual funds
%
Time Period (Years)10 Years
Duration of your investment plan
Years
Annual Step-up (%)0%
Percentage to increase your SIP contribution every year (0% for flat SIP)
%

Estimation Summary

Invested Amount (52%)Est. Gains (48%)
Total Invested₹12,00,000
Estimated Gains₹11,23,391
Future Value₹23,23,391
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Calculation Methodology & Rules

The SIP & Step-up SIP Calculator estimates the future value of your systematic mutual fund investments. Read our guides: How SIP Returns and Compounding Work, evaluate SIP vs Lumpsum strategies, or see how much you need monthly to retire at 40, 50, or 60.

1. Flat SIP Calculation Formula

For a standard SIP without annual step-up, the future value (FV) is computed using the monthly compounding formula (applied at the start of each month):

FV = P × [ ( (1 + i)n- 1 ) / i ] × (1 + i)

Where:

  • P: Monthly investment amount (₹)
  • i: Monthly interest rate (Expected annual return % / 12 / 100)
  • n: Total number of compounding periods (Years × 12)

2. Step-up SIP Compounding Method

For a Step-up SIP, the monthly contribution increases annually by your chosen **Annual Step-up (%)**. The calculator compounds the accumulated wealth month-by-month, applying the higher contribution at the beginning of each year.

3. Assumptions & Disclaimers

  • Timing of Contributions: Investments are assumed to occur at the start of each month (advance annuity model).
  • ConstantAssumed Return: Calculations assume a constant annual return rate. In practice, mutual fund returns vary based on market cycles.
  • Market Risk: Mutual fund investments are subject to market risks. Returns computed here are illustrative projections and not guaranteed.
For detailed rules, formulas, references, and official guidelines, see the complete Ganakam Calculation Methodology.

Frequently Asked Questions

SIP returns are calculated using the Extended Internal Rate of Return (XIRR) method. Since SIP involves multiple cash flows at different intervals, XIRR calculates the annualized rate of return (CAGR) for all investments combined.

A Step-up SIP (or top-up SIP) allows you to automatically increase your monthly investment amount by a fixed percentage or rupee value every year. This aligns your investments with salary hikes and significantly boosts your wealth compounding over long horizons.

A Systematic Investment Plan (SIP) is ideal for salaried individuals as it instills regular saving habits and leverages rupee-cost averaging to buffer against market volatility. Lumpsum investing is better when you have a large cash windfall (like a bonus, inheritance, or asset sale) and a long-term investment horizon to ride out short-term market corrections.