Free SIP Calculator – Calculate Mutual Fund SIP Returns

What Is a SIP and How the SIP Calculator Works

A SIP, or Systematic Investment Plan, is a way of investing a fixed amount in a mutual fund at regular intervals — usually every month — rather than putting in one large sum. A SIP calculator projects what that steady habit could grow into by a chosen date. You supply your monthly contribution, an expected annual return rate, and the number of years you plan to keep investing, and it returns three numbers that matter: the total you will have invested, the estimated gains on top, and the projected maturity value. It is used by first-time investors sizing up a goal, salaried people planning retirement or a child's education, and anyone who wants to see, in rupees, why disciplined monthly investing is worth starting early. The projection uses the standard SIP future-value formula with monthly compounding: FV = P × [((1 + i)^n − 1) ÷ i] × (1 + i). Here P is your monthly instalment, i is the monthly rate of return (the annual rate divided by 12 and by 100), and n is the total number of instalments (years × 12). The crucial idea is that each instalment keeps earning for all the months remaining until maturity, so money you invest early compounds the longest. That is why the calculator does far more than multiply your monthly amount by the number of months — it layers the growth of every single contribution. A concrete example shows the effect. Invest ₹5,000 a month for 10 years at an assumed 12% annual return. That is 120 instalments of ₹5,000, so you contribute ₹6,00,000 of your own money. With monthly compounding the projected maturity value is about ₹11,61,695 — meaning roughly ₹5,61,695 of estimated gains on top of what you put in. Nearly as much again as you invested, purely from time and compounding, which is the point that usually convinces people to start sooner rather than wait. SIPs suit long-horizon goals: a retirement corpus, a child's higher-education fund, a home down-payment, or simply building the habit of wealth creation. Because you invest a fixed sum every month regardless of market level, you automatically buy more units when prices are low and fewer when they are high — a behaviour called rupee cost averaging that spares you from trying to time the market, which almost nobody does well consistently. Many investors also step up their SIP each year as income rises, and even small annual increases meaningfully lift the final corpus. A common use is running two projections side by side: one at your current instalment and one after a 10% annual step-up, to see how much extra corpus the discipline of raising contributions can build. Others use it to reverse-engineer a goal — if you need roughly ₹1 crore in 20 years, the calculator helps you find the monthly amount that gets you there at a realistic rate. The honest caveat is that the return rate is an assumption, not a promise. Equity fund returns swing year to year and can be negative in some periods; the calculator projects a steady rate only so you can plan. It also ignores the fund's expense ratio, exit loads, taxes on capital gains, and inflation, all of which trim your real, in-hand return. The common mistake is plugging in an optimistic rate and treating the output as guaranteed — run a few scenarios at conservative rates like 10–12% instead. These figures are illustrative estimates for planning, not financial advice; mutual funds carry market risk, so read the scheme documents and consider a SEBI-registered advisor. The calculation runs in your browser and your figures are never stored.

SIP Calculator Formula & Method

Learn More — SIP Calculator Guide

🔥 Trending Tools