SIP Calculator
Estimate Indian mutual fund SIP and lumpsum returns. Monthly compounding, matches AMFI / Groww / Zerodha standards.
Estimate only. Actual mutual fund returns are NOT guaranteed and can be negative in any given year. Past performance ≠ future returns.
How SIP and lumpsum returns are calculated
SIP (Systematic Investment Plan):
M = P × [(1 + i)^n − 1] / i × (1 + i) P = monthly SIP amount i = monthly return rate = annual rate ÷ 1200 n = total months
Lumpsum:
M = P × (1 + r/100)^t P = lumpsum invested r = annual return rate (%) t = years
Both formulas assume the return compounds. SIP figures match what Groww, Zerodha, and AMFI calculators show; lumpsum is straight compound interest.
Frequently asked questions
How is SIP maturity calculated?▼
Standard SIP formula: M = P × [(1 + i)^n − 1] / i × (1 + i), where P is the monthly investment, i is the monthly return rate (annual rate ÷ 12 ÷ 100), and n is the number of months. The (1 + i) factor at the end assumes investment at the start of each month — most online calculators use this convention. Lumpsum uses the simpler compound interest formula: M = P × (1 + r/100)^t.
What return rate should I assume?▼
Conservative: 8-10% (large-cap funds, balanced portfolios). Moderate: 12% (multi-cap / mid-cap funds). Aggressive: 15% (small-cap funds, sector funds). Long-term Indian equity averages ~12% nominal over 15+ years (BSE Sensex CAGR since 1979 is ~14%). Don't extrapolate one bull year — use the long-term average.
Does this account for inflation?▼
No — the maturity figure is in nominal rupees. To convert to today's purchasing power, divide by (1 + inflation)^years. India's long-term inflation runs ~6%, so a ₹1 crore maturity in 20 years is roughly ₹31 lakh in today's money. For real-return planning, subtract expected inflation from your assumed return rate.
SIP vs Lumpsum — which is better?▼
If you have a lump sum and the market is at a fair valuation, lumpsum mathematically wins (more time invested = more compounding). If you don't have a lump sum, or the market is at a peak, SIP averages your entry price (rupee-cost averaging) and reduces timing risk. In practice, most retail investors lump-sum when they get a windfall and SIP from monthly salary.
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