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What is a SIP Calculator?
A SIP (Systematic Investment Plan) Calculator estimates the future value of your monthly mutual fund investments. By entering your monthly investment amount, expected annual return, and investment duration, you can see how compounding grows your wealth over time.
How to Use This SIP Calculator
- Enter your monthly SIP amount — the fixed amount you invest each month (e.g., ₹5,000).
- Enter the expected annual return — typically 10–14% for equity mutual funds historically.
- Enter the investment period in years.
- Click Calculate to see your estimated maturity value and total returns.
SIP Formula
Where: P = Monthly investment, r = Monthly return rate, n = Total months
Example
If you invest ₹5,000/month for 15 years at 12% annual return:
- Total Invested: ₹9,00,000
- Estimated Returns: ₹16,22,880
- Maturity Value: ₹25,22,880
This shows the power of compounding — your returns exceed your invested amount by nearly 2x.
Tips for SIP Investors
- Start early — even ₹500/month from age 22 beats ₹5,000/month from age 35.
- Increase your SIP by 10–15% every year (Step-Up SIP) to accelerate wealth creation.
- Stay invested during market downturns — SIPs benefit from buying more units when prices are low (rupee cost averaging).
- Choose direct plans over regular plans to save on commission.
- Set up auto-debit so you never miss an investment date.
SIP vs Lump Sum Investing
A SIP spreads your investment across months, buying more mutual fund units when the market is low and fewer when it's high — this is called rupee cost averaging, and it reduces the risk of investing a large lump sum right before a market fall. A lump sum investment, on the other hand, can outperform a SIP if invested right before a sustained bull run, but it also carries more timing risk. For most salaried individuals in India investing out of monthly income, SIP is the natural and lower-risk choice.
SIP and Taxation
Returns from equity mutual fund SIPs are taxed as capital gains. Units held for more than 12 months qualify for Long-Term Capital Gains (LTCG) tax — gains above ₹1.25 lakh in a financial year are taxed at 12.5%. Units sold within 12 months attract Short-Term Capital Gains (STCG) tax at 20%. Each SIP instalment is treated as a separate investment for calculating the holding period, so in a long-running SIP, the newest instalments may still be under STCG even if the oldest ones qualify for LTCG.
Who Should Use This Calculator
This calculator is aimed at anyone investing — or considering investing — in mutual funds through monthly instalments: first-time investors comparing SIP against lump sum, salaried professionals automating wealth creation from monthly income, and parents or young earners planning long-term goals like a child's education or their own retirement. It's especially useful before starting a new SIP, since seeing the projected maturity value at different assumed return rates (say 10% vs. 12% vs. 14%) helps set realistic expectations rather than anchoring to any single optimistic number. It's less suited for estimating returns on a single lump-sum investment (use the Compound Interest Calculator for that) or for SIPs with a planned annual step-up, since this tool assumes a constant monthly contribution throughout the tenure.
Frequently Asked Questions
Q: What return rate should I use for equity mutual fund SIPs?
A: Historically, diversified equity mutual funds in India have delivered 10-14% annualised returns over long periods (10+ years), though this varies by fund category and time frame. It's prudent to use a conservative assumption like 10-12% for planning purposes rather than the best-performing fund's past returns, since mutual fund returns are market-linked and not guaranteed.
Q: What happens if I stop my SIP midway?
A: You can pause or stop a SIP anytime without penalty — your existing units remain invested and continue to grow (or fall) with the market, but you stop adding new units. Most fund houses allow you to restart the SIP later, though stopping early usually means missing out on the compounding benefit of continued monthly contributions.
Q: How is SIP mutual fund income taxed?
A: For equity funds, units held over 12 months qualify for Long-Term Capital Gains tax at 12.5% on gains exceeding ₹1.25 lakh in a financial year; units sold within 12 months attract Short-Term Capital Gains tax at 20%. Since each SIP instalment is treated as a separate purchase, a long-running SIP can have some units taxed as LTCG and others as STCG simultaneously.
Q: What is a Step-Up SIP and does this calculator account for it?
A: A Step-Up (or Top-Up) SIP automatically increases your monthly instalment by a fixed percentage every year, helping your investment keep pace with rising income. This calculator assumes a flat, constant monthly amount throughout the tenure, so a Step-Up SIP will generate a higher maturity value than what's shown here for the same starting amount.
Q: Is SIP better than a lump sum investment?
A: Neither is universally better — SIP reduces timing risk through rupee cost averaging by spreading purchases across market highs and lows, making it well-suited for investing out of regular income. A lump sum can outperform if invested right before a sustained market rally, but carries higher timing risk. Most salaried Indian investors prefer SIPs precisely because they align with monthly income and reduce the stress of market timing.
More SIP Scenarios Across Different Investors
The maturity value of a SIP scales dramatically with how much you invest and for how long, which is why it helps to see a few contrasting examples side by side rather than relying on a single ₹5,000/month illustration. Below are three additional scenarios, each assuming a 12% expected annual return.
| Monthly SIP | Tenure | Total Invested | Maturity Value (approx.) |
|---|---|---|---|
| ₹2,000 | 20 years | ₹4,80,000 | ≈ ₹19,98,000 |
| ₹10,000 | 10 years | ₹12,00,000 | ≈ ₹23,23,000 |
| ₹25,000 | 25 years | ₹75,00,000 | ≈ ₹4,75,60,000 |
Notice how the 25-year SIP of ₹25,000/month grows to nearly 6.3 times the amount actually invested, while the 10-year SIP of ₹10,000/month only reaches about 1.9 times — the extra 15 years of compounding, not the larger monthly amount, is what drives the outsized difference. This is the single biggest lesson for young earners: starting a modest SIP in your 20s usually builds more wealth by retirement than starting a much larger one in your late 30s, simply because compounding needs time far more than it needs a big starting cheque.
📅 Last reviewed: July 2026 · Formulas verified against RBI/SEBI/IT Dept guidelines.