SIP Calculator — Plan Your Monthly Mutual Fund Investment
Calculate exactly how much wealth a monthly SIP (Systematic Investment Plan) can build for you. Enter your monthly investment amount, expected annual return, and time period — our free SIP calculator instantly shows your total invested amount, estimated returns, and final maturity value. Built specifically for Indian mutual fund investors.
SIP Calculator
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About the Author
Mithun Srivastava is the founder of InvestWithMithun.com, a free stock market education platform for Indian investors. With a passion for making finance accessible to everyone, Mithun creates practical guides, calculators, and glossary resources to help beginners start their investing journey with confidence.
What Is a SIP Calculator?
A SIP calculator is a financial tool that estimates the future value of your monthly mutual fund investments. It uses the compound interest formula to show how regular investments grow over time — helping you plan goals like retirement, a child’s education, or buying a home.
How the SIP Calculator Works
You enter three inputs:
- Monthly investment amount (₹500 to ₹1,00,000+)
- Expected annual return rate (typically 10–15% for equity mutual funds)
- Investment duration (in years)
The calculator applies the SIP future value formula and returns your total amount invested, estimated returns (wealth gained), and final maturity value.
The SIP Formula
FV = P × [((1 + r)ⁿ − 1) ÷ r] × (1 + r)
Where FV = Future Value (maturity amount), P = Monthly SIP amount, r = Monthly interest rate (Annual rate ÷ 12 ÷ 100), n = Total number of months.
Example: ₹10,000 Monthly SIP for 20 Years at 12%
- Monthly SIP: ₹10,000
- Duration: 20 years (240 months)
- Expected return: 12% annually
- Total invested: ₹24,00,000
- Estimated maturity: ₹99,91,479 (approx. ₹1 Crore)
- Wealth gained: ₹75,91,479
The power of compounding more than triples your invested money.
Why SIP Works So Well for Indian Investors
- Rupee cost averaging — You buy more units when markets are low, fewer when high
- Discipline — Automatic monthly debit removes emotional decisions
- Affordable — Start with as little as ₹500/month
- Tax-efficient — ELSS SIPs qualify for 80C deduction
- No market timing — Time IN the market beats timing the market
Common SIP Goals and Recommended Amounts
| Goal | Timeline | Monthly SIP Needed (12% return) |
|---|---|---|
| Child’s college fund (₹25 L) | 15 years | ~₹5,000 |
| Home down payment (₹30 L) | 10 years | ~₹13,500 |
| Retirement corpus (₹2 Cr) | 25 years | ~₹10,500 |
| Emergency buffer (₹10 L) | 5 years | ~₹12,500 |
| Wealth building (₹1 Cr) | 20 years | ~₹10,000 |
Tips to Maximize Your SIP Returns
- Start early. A ₹5,000 SIP started at 25 becomes much bigger than a ₹10,000 SIP started at 40.
- Step up annually. Increase your SIP by 10% each year — doubles your final corpus.
- Don’t stop during market crashes. That’s when SIPs buy the most units.
- Pick the right funds. Stick to 3–4 diversified equity funds with 5+ year track record.
- Review annually. Replace underperformers, but avoid constant fund switching.
Frequently Asked Questions
Is SIP better than lump sum investment?
For most retail investors, yes. SIP removes the need to time the market and spreads risk over time. Lump sum works only if you have a large one-time amount and markets are clearly undervalued. For regular salary earners, SIP is almost always the better choice.
What is a good monthly SIP amount for a beginner?
Start with whatever you can afford consistently — even ₹500/month. A common rule is 20–30% of your monthly savings. Increase by 10% every year as your income grows.
Can I stop or pause my SIP anytime?
Yes. SIPs can be paused, stopped, or modified without any penalty. However, stopping during market lows defeats the purpose of rupee cost averaging.
Is SIP return guaranteed?
No. SIPs invest in market-linked mutual funds. The 12% used in most calculators is a historical average for Indian equity funds — actual returns vary year to year and are not guaranteed.
How is SIP taxed in India?
Equity fund SIPs held over 12 months attract 12.5% LTCG tax on gains above ₹1.25 lakh per year (rates as of FY 2024–25). Each SIP installment is treated as a separate purchase for tax purposes.
Which is the best SIP for 10 years?
Large-cap index funds or flexi-cap funds from established AMCs like HDFC, ICICI Prudential, Mirae Asset, or Nippon India are solid 10-year choices. Avoid thematic/sectoral funds for long-term core SIPs.
Can I invest in SIP without a Demat account?
Yes. Most mutual fund SIPs can be started directly through the AMC website or platforms like Groww, Kuvera, or Zerodha Coin — no Demat account needed. Demat is required only for stocks and ETFs.
What happens if I miss a SIP installment?
Nothing major. The AMC retries the debit. If it fails repeatedly (3 months), the SIP is paused — you can restart it anytime. No penalty or black mark.