Use the free SIP calculator below to estimate the future value of your mutual fund investment — whether you invest monthly (SIP), as a one-time lumpsum, or a combination of both. Just enter your amount, expected return rate, and time period and hit calculate.
SIP Calculator
Estimate the future value of your SIP, Lumpsum, or combined mutual fund investment
Investment Details
How to Use This SIP Calculator
This tool supports three investment modes, so you can model whichever way you actually invest:
- SIP — a fixed amount invested every month, the most common way to invest in mutual funds.
- Lumpsum — a one-time investment, such as a bonus or maturity payout, left to grow.
- SIP + Lumpsum — a combination, e.g. starting with a lumpsum and then continuing monthly SIPs on top of it.
Pick a mode, then enter your investment amount, expected annual return rate, and time period. Click "Calculate Returns" to see your total invested amount, estimated wealth gained, and total future value — along with a year-wise growth table showing how your investment compounds over time.
What Is SIP and How Are Returns Calculated?
A Systematic Investment Plan (SIP) lets you invest a fixed amount in a mutual fund at regular intervals, typically monthly, instead of investing a large sum at once. Because your money is invested consistently over time, SIPs benefit from rupee-cost averaging (buying more units when prices are low and fewer when prices are high) and the compounding of returns.
The future value of a SIP is calculated using:
FV = P × [(1 + i)n − 1] / i × (1 + i)
Where P is the monthly investment amount, i is the expected monthly rate of return (annual rate divided by 12 and then by 100), and n is the total number of monthly installments. A lumpsum investment, by contrast, simply compounds using FV = P × (1 + i)n, where P is the one-time invested amount.
Benefits of Using a SIP Calculator
- See the power of compounding. Small, regular investments can grow into a large corpus over long periods — the calculator shows exactly how much.
- Plan toward a goal. Work backward from a target amount (a down payment, retirement corpus, or a child's education fund) to figure out how much you need to invest monthly.
- Compare SIP vs lumpsum vs a combination to decide which investing approach fits your cash flow and goals best.
- Set realistic expectations. Understand how changes in the expected return rate or investment horizon affect your final corpus.
- Track your progress using the year-wise growth table to see invested amount versus wealth gained at any point in your investment journey.
Tips to Get the Most Out of Your SIP
- Start early. Time in the market matters more than timing the market — even small amounts invested early can outgrow larger amounts invested later, thanks to compounding.
- Stay invested through market ups and downs. SIPs are designed to average out volatility over time; stopping during a downturn defeats that purpose.
- Increase your SIP amount periodically (a "step-up SIP") as your income grows, rather than keeping it fixed for years.
- Use a realistic expected return rate when planning — equity mutual funds are market-linked and returns are never guaranteed.
- Align your time horizon with your goal. Longer horizons can typically absorb more market volatility than short-term goals.
Frequently Asked Questions
Is SIP better than a lumpsum investment?
Neither is universally "better" — it depends on your cash flow and market conditions. SIPs suit investors with regular income and help average out purchase cost over time, while a lumpsum can work well when you have a large sum available and a long investment horizon. Many investors use a combination of both.
Are SIP returns guaranteed?
No. SIP returns depend on the performance of the underlying mutual fund, which is market-linked. The return rate you enter in this calculator is an assumption for illustration purposes, not a guaranteed outcome.
What is rupee-cost averaging?
It's the effect of investing a fixed amount at regular intervals: you automatically buy more units when the fund's price (NAV) is low and fewer units when it's high, which can smooth out the average purchase cost over time compared to a one-time investment.
Can I stop or pause my SIP anytime?
Yes, most mutual funds allow you to pause, stop, or modify your SIP at any time without penalty, though it's generally advisable to stay invested through market cycles to benefit fully from compounding and rupee-cost averaging.
How is a step-up SIP different from a regular SIP?
A step-up (or top-up) SIP automatically increases your monthly investment amount by a fixed percentage or amount at regular intervals, typically annually, helping you invest more as your income grows rather than keeping contributions flat for the entire tenure.
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