📈 SIP Calculator
Calculate your mutual fund SIP returns with a full year-by-year growth breakdown.
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What Is a SIP Calculator?
A SIP (Systematic Investment Plan) calculator shows how a fixed monthly investment in a mutual fund grows over time, accounting for compounding returns. Unlike a lump-sum investment, SIPs spread your investment across months and years, buying more units when prices are low and fewer when prices are high — a strategy known as rupee cost averaging that smooths out market volatility over long time horizons.
SIPs have become the dominant way individual investors in India participate in equity markets. According to AMFI (Association of Mutual Funds in India), monthly SIP contributions crossed ₹26,000 crore in late 2024, with over 9.5 crore active SIP accounts. The power behind this isn't the individual contribution size — it's the discipline of regular investing combined with compounding over decades.
The SIP calculator uses the future value of an annuity formula: FV = P × [(1 + r)^n – 1] / r × (1 + r), where P is the monthly investment, r is the monthly rate of return (annual rate ÷ 12), and n is the number of months. A ₹5,000 monthly SIP at 12% annual returns over 20 years produces approximately ₹49.9 lakh — even though you only invested ₹12 lakh in total. The remaining ₹37.9 lakh is pure compounding growth.
This calculator lets you input your monthly amount, expected annual return, and investment duration to see your projected corpus — along with a breakdown of how much you invested versus how much wealth compounding added. For most long-term investors, the compounding component eventually dwarfs the total principal invested.
How to Use This SIP Calculator
- Enter your monthly SIP amount — the fixed amount you plan to invest each month. Start with what you can commit to consistently; you can always increase it later.
- Set the expected annual return rate — for equity mutual funds, historical long-term returns in India have averaged 12–15% annually, though past performance doesn't guarantee future results. Use 10–12% for conservative projections.
- Choose your investment duration — enter the number of years you plan to stay invested. The longer the horizon, the more dramatically compounding amplifies your corpus.
- Review the projected corpus — the calculator shows your total investment, expected returns, and final corpus side by side.
- Experiment with step-up SIPs — if the calculator supports it, model a 10–15% annual increase in your SIP amount to reflect salary growth. This dramatically improves outcomes over a 15–20 year horizon.
Why SIP Investing Beats Trying to Time the Market
The most common reason people don't invest is that they're waiting for the "right time" — when markets are lower, when they have more money, when things feel less uncertain. SIPs eliminate this friction by automating the decision. You invest the same amount every month regardless of whether the Sensex is at an all-time high or in a 20% correction. Research consistently shows that time in the market beats timing the market for most individual investors.
A study comparing investors who started SIPs at market peaks versus those who waited for market lows found that after 15 years, the difference in returns was less than 1% annually — while the "waiters" often never invested at all. The behavioral benefit of commitment often matters more than the entry price.
Related Tools
- Compound Interest Calculator — compare SIP compounding to lump-sum investment growth
- Retirement Calculator — see if your SIP investments are on track for your retirement goal
- EMI Calculator — balance your SIP contributions against loan repayment obligations
- Net Worth Calculator — track your growing mutual fund corpus as part of your total wealth
- Tax Calculator — understand LTCG tax implications on your mutual fund gains
Frequently Asked Questions
What return rate should I use for SIP projections?
For equity mutual funds (large cap, index funds), a 10–12% annual return is a commonly used assumption for long-term projections in India, based on historical Nifty 50 returns over 15–20 year periods. For mid-cap or small-cap funds, historical returns have been higher (13–16%) but with significantly more volatility. Use 10% for conservative scenarios, 12% for moderate, and 15% for optimistic projections — and avoid using recent bull market returns as your baseline.
Can I pause or stop a SIP without penalty?
Yes. Most mutual fund SIPs allow you to pause for 1–3 months, reduce the amount, or stop entirely without penalty. Your existing units remain invested and continue to grow. Some funds allow a "SIP pause" feature for temporary financial hardship. Stopping a SIP doesn't trigger redemption — your accumulated corpus stays in the fund until you choose to withdraw it.
How is SIP different from a recurring deposit (RD)?
A recurring deposit is a fixed-income product with guaranteed returns, typically 6–7% annually in India. A SIP invests in mutual funds (equity, debt, or hybrid), offering potentially higher returns but with market risk. Over 15+ year horizons, equity SIPs have historically outpaced RDs by a wide margin after inflation adjustment. RDs suit short-term goals (1–3 years) where capital preservation matters; SIPs suit long-term wealth building where growth matters more than stability.
What is a step-up SIP and should I use one?
A step-up SIP automatically increases your monthly contribution by a fixed percentage each year — typically 10–15%, aligned with salary increments. For example, starting at ₹5,000/month and increasing 10% annually means you invest ₹5,500 in year two, ₹6,050 in year three, and so on. Over 20 years, a step-up SIP can produce 40–60% more corpus than a flat SIP at the same starting amount. Most AMCs (asset management companies) support step-up SIPs through their online platforms with no additional setup.
Are SIP gains taxable in India?
Yes. Equity mutual fund SIP gains are subject to Long-Term Capital Gains (LTCG) tax if units are held for more than 12 months. As of 2024, LTCG above ₹1.25 lakh per year is taxed at 12.5% without indexation. Each SIP installment is treated as a separate investment for tax purposes — so when you redeem, gains on units held over 12 months qualify for LTCG rates, while units held under 12 months attract Short-Term Capital Gains (STCG) tax at 20%. Debt fund gains are now taxed at your income slab rate regardless of holding period.