SIP Calculator

A Systematic Investment Plan (SIP) is the most popular way Indians invest in mutual funds, and for good reason — it automates discipline, averages out market volatility, and harnesses the power of compounding over time.

Reviewed by: CalcMojo Editorial Team

This SIP calculator shows you exactly how much wealth your monthly investments can generate over any time horizon at any expected rate of return.

Enter your monthly SIP amount, the investment period, and your expected annual return rate. The calculator computes your total invested amount, estimated returns, and the total corpus at maturity. It also shows you the year-by-year growth trajectory so you can visualize how compounding accelerates in the later years — the reason why starting early matters far more than investing large amounts later.

Whether you are investing ₹500 a month as a college student or ₹50,000 a month for retirement, this tool puts concrete numbers behind your financial goals. Compare different SIP amounts, tenures, and return rates side by side. See how increasing your SIP by even ₹1,000 per month can add lakhs to your final corpus. Use these projections to align your investments with specific goals — a home down payment, your child’s education, or financial independence.

How SIP Returns Are Calculated

A SIP works by investing a fixed amount at regular intervals (typically monthly) into a mutual fund scheme. Each installment buys units at the prevailing NAV (Net Asset Value). Over time, the total units accumulate and grow in value as the fund’s NAV appreciates.

The SIP return calculation uses the future value of an annuity formula:

FV = P x [((1+r)^n – 1) / r] x (1+r)

Where:

• FV = Future value (total corpus at maturity)
• P = Monthly SIP amount
• r = Expected monthly rate of return (annual rate divided by 12)
• n = Total number of SIP installments (years multiplied by 12)

This formula assumes a constant monthly investment and a steady rate of return. In reality, mutual fund returns fluctuate daily, but this formula provides a useful approximation using an assumed annualized rate based on historical performance of the fund category.

For example, a monthly SIP of ₹10,000 at 12% annual returns for 20 years: the total invested amount is ₹24,00,000 (₹10,000 x 240 months). The estimated corpus is approximately ₹99.91 lakh. That means your money grew by roughly ₹75.91 lakh purely through compounding — more than three times your investment. This dramatic growth in the later years is the signature of compound returns.

The Power of Compounding in SIP

Compounding is the engine behind SIP wealth creation. Each installment earns returns, and those returns earn further returns. The effect is modest in the early years but becomes exponential over longer periods.

Consider a ₹10,000 monthly SIP at 12% annual returns:

• After 5 years: Invested ₹6 lakh, corpus approximately ₹8.25 lakh (returns ₹2.25 lakh)
• After 10 years: Invested ₹12 lakh, corpus approximately ₹23.23 lakh (returns ₹11.23 lakh)
• After 20 years: Invested ₹24 lakh, corpus approximately ₹99.91 lakh (returns ₹75.91 lakh)
• After 30 years: Invested ₹36 lakh, corpus approximately ₹3.53 crore (returns ₹3.17 crore)

Notice the pattern: in the first 10 years, returns are roughly equal to the invested amount. In the last 10 years of a 30-year SIP, returns dwarf the investment. This is why financial advisors emphasize starting early. A 25-year-old investing ₹5,000 per month until age 55 accumulates more wealth than a 35-year-old investing ₹15,000 per month until the same age, despite investing far less in total.

SIP vs Lump Sum Investment

A common question is whether it is better to invest a large amount at once or spread it out through SIP. The answer depends on market conditions and investor behavior.

Advantages of SIP over Lump Sum:

Rupee Cost Averaging. When markets dip, your fixed SIP amount buys more units at lower NAVs. When markets rise, you buy fewer units at higher NAVs. Over time, this averages out the cost per unit, reducing the impact of short-term volatility. You do not need to time the market — the SIP does it for you automatically.

Behavioral Discipline. SIPs automate investing. The money leaves your bank account on a fixed date each month, removing the temptation to time the market or skip investing during downturns. Most investors who try to time the market underperform those who invest consistently through SIPs.

Lower Entry Barrier. You can start a SIP with as little as ₹500 per month. A lump sum investment requires a significant amount of capital upfront, which many investors, especially younger ones, may not have.

When Lump Sum May Work Better:

In a consistently rising market, a lump sum invested at the start would generate higher returns than the same amount spread over monthly SIPs, because the entire capital is exposed to market growth from day one. However, predicting market direction consistently is nearly impossible. If you receive a windfall (bonus, inheritance), investing 60-70% as lump sum and the rest via SIP over 3-6 months is a common balanced approach.

Choosing the Right SIP Amount

Your SIP amount should be driven by your financial goals, not arbitrary round numbers.

Goal-Based Planning. Work backward from your target. If you need ₹1 crore in 15 years for your child’s education and expect 12% annual returns, the required monthly SIP is approximately ₹20,990. If you have 20 years, the required SIP drops to approximately ₹10,100. This calculator lets you experiment with different combinations to find the right amount for each goal.

The 50-30-20 Rule. Allocate 50% of income to needs, 30% to wants, and 20% to savings and investments. If your take-home salary is ₹60,000, aim to invest at least ₹12,000 per month across SIPs, PPF, and other instruments. Use the PPF Calculator to see how PPF fits alongside your SIP strategy.

Step-Up SIP. Many investors start with a modest SIP and increase it by 10% to 15% annually as income grows. A ₹10,000 SIP with a 10% annual step-up at 12% returns over 20 years yields approximately ₹1.89 crore — nearly double the ₹99.91 lakh from a flat ₹10,000 SIP. If your employer gives annual raises, route a portion of each increment into SIP increases.

SIP for Different Financial Goals

Emergency Fund (1-2 years). SIP into a liquid or ultra-short-term fund. Expected returns: 5-7%. Goal: 6 months of expenses. This is not a high-growth strategy but a disciplined way to build a safety net.

Buying a Home (5-7 years). SIP into a balanced or large-cap fund. Expected returns: 10-12%. If you need ₹15 lakh for a down payment in 7 years, an SIP of approximately ₹12,500 per month at 11% will get you there. Pair this with an EMI Calculator estimate to plan the full home purchase.

Child’s Education (10-18 years). SIP into diversified equity funds. Expected returns: 12-14% over long horizons. The key is starting when the child is born or very young to maximize the compounding runway.

Retirement (20-30 years). SIP into equity-heavy portfolios for the first 15-20 years, gradually shifting to balanced and debt funds in the final 5-10 years. A ₹15,000 monthly SIP at 12% for 25 years builds approximately ₹2.67 crore. Combine with the NPS Calculator and EPF Calculator to model your complete retirement picture.

Tax Implications of SIP Investments

SIP investments in equity mutual funds are subject to capital gains tax based on the holding period of each SIP installment. Since each monthly SIP is treated as a separate purchase, different installments may qualify for different tax treatments.

Equity Mutual Funds (including ELSS):

• Holding period under 12 months: Short-term capital gains taxed at 20%
• Holding period over 12 months: Long-term capital gains above ₹1.25 lakh per year taxed at 12.5%

Debt Mutual Funds:

• All gains (regardless of holding period) are taxed at your income tax slab rate for funds purchased after April 2023

ELSS (Equity Linked Savings Scheme): ELSS funds qualify for a deduction under Section 80C up to ₹1.5 lakh per year. They have a mandatory 3-year lock-in per SIP installment, the shortest among all 80C investments. After the lock-in, each installment can be redeemed freely. This makes ELSS SIPs a popular choice for tax-saving combined with equity growth. Use the Income Tax Calculator (Old vs New) to see how 80C deductions reduce your tax.

Common SIP Mistakes to Avoid

Stopping SIP During Market Crashes. This is the most common and costly mistake. Market dips are when your SIP buys the most units at the lowest prices. Stopping during a downturn locks in zero units at discounted prices and you miss the recovery gains. Historical data from Indian markets shows that investors who continued SIPs through the 2008 and 2020 crashes saw significantly higher long-term returns than those who paused.

Expecting Linear Returns. A 12% expected return does not mean 1% per month without fail. Markets can return 30% one year and negative 10% the next. SIP returns are volatile in the short term but tend to converge toward long-term averages over 7-plus-year horizons.

Ignoring Fund Selection. The SIP amount and tenure matter, but so does the fund you choose. A poorly managed fund with high expense ratios will underperform even with disciplined investing. Check the fund’s historical performance, expense ratio, fund manager track record, and consistency before starting a SIP.

Not Reviewing Annually. While SIPs should run long-term, review your fund’s performance annually. If a fund consistently underperforms its benchmark and peers for 2-3 years, consider switching to a better-performing fund rather than holding on purely out of loyalty.

This calculator provides estimates. Actual returns depend on your financial institution’s terms.

Frequently Asked Questions

How much should I invest in SIP per month?

Your SIP amount should be driven by your financial goals. Work backward from the target amount and timeline. As a general guideline, aim to invest at least 20% of your take-home salary. If you earn ₹60,000 per month, start with ₹10,000-12,000 in SIPs across 2-3 funds. Increase the amount by 10% annually as your income grows.

What is the best SIP amount for beginners?

You can start a SIP with as little as ₹500 per month in most mutual funds. For beginners, ₹2,000-5,000 per month in a large-cap or index fund is a sensible starting point. The key is starting early and being consistent. As you learn more and your income increases, gradually increase the SIP amount.

Are SIP returns guaranteed?

No. SIP returns from mutual funds are market-linked and not guaranteed. Equity SIPs can fluctuate significantly in the short term. However, historical data shows that SIPs in diversified equity funds held for 10-plus years have consistently delivered positive returns, typically in the 10-14% annualized range over long periods in Indian markets.

Can I stop or pause my SIP anytime?

Yes. SIPs have no lock-in period except for ELSS funds (3-year lock-in per installment). You can pause, stop, or modify your SIP amount anytime without penalties by instructing your fund house or through your investment platform. However, stopping SIPs during market dips is generally counterproductive.

What is the difference between SIP and recurring deposit?

Both involve fixed monthly contributions, but SIPs invest in market-linked mutual funds with variable returns and higher growth potential, while recurring deposits (RDs) are bank products offering fixed, guaranteed returns at lower rates. Over long periods, equity SIPs have historically outperformed RDs significantly, though with more short-term volatility. Compare with our RD Calculator.

How are SIP returns taxed in India?

Each SIP installment is treated as a separate purchase for tax purposes. For equity funds, gains on units held over 12 months above ₹1.25 lakh per year are taxed at 12.5% (LTCG). Gains on units held under 12 months are taxed at 20% (STCG). For debt funds purchased after April 2023, all gains are taxed at your income tax slab rate.

What is a step-up SIP?

A step-up SIP automatically increases your monthly investment by a fixed percentage or amount annually. For example, a ₹10,000 SIP with a 10% annual step-up increases to ₹11,000 in year 2, ₹12,100 in year 3, and so on. This approach aligns SIP growth with income growth and can nearly double your final corpus compared to a flat SIP over 20 years.

Default rates shown are illustrative. Always verify current rates with your fund house. Data accurate as of: March 2026