SIP Calculator
The SIP Calculator estimates what a Systematic Investment Plan could grow into when you invest a fixed amount every month. Enter your monthly investment, an expected annual return and the number of years, and it shows the projected maturity value, the total you invested and the wealth gained from compounding.
What a SIP is
A Systematic Investment Plan means investing a fixed sum at regular intervals, usually monthly, into a mutual fund or similar instrument. Instead of trying to time the market, you buy steadily through ups and downs, which averages your purchase price and turns investing into a simple habit.
The formula
The future value of a monthly SIP is FV = P × ((1 + i)n − 1) / i × (1 + i), where P is the monthly amount, i is the monthly return (annual return ÷ 12 ÷ 100) and n is the number of monthly instalments.
A worked example
Invest 5,000 a month for 10 years at an expected 12% a year. Here P = 5000, i = 0.01 and n = 120. The projected value is about 11,61,695. You will have invested only 6,00,000 of your own money, so roughly 5,61,695 is growth. Keep the same SIP going for 20 years and the projection jumps to about 49,95,740 on 12,00,000 invested, a striking illustration of how compounding rewards patience.
How to read the projection
The return you enter is an assumption, not a guarantee, because market investments rise and fall. Use a realistic long-term figure and try a lower one too, so you can see a conservative outcome. The real lesson from the numbers is that increasing the number of years usually does more for your final corpus than chasing a slightly higher return.
How to use
- Enter your details in the fields above. The SIP Calculator accepts everyday values and checks them as you type.
- Press the action button (or just start typing for live tools) to run the calculation.
- Read your result, along with any supporting figures, in the clearly labelled result box.
- Use Copy result to grab the answer, Reset to start again, or Copy link to share this tool.
Why use this tool
Finance Wave built the SIP Calculator to be genuinely useful: it validates your input so you never see a broken result, formats numbers for your region automatically, and stays readable in both light and dark mode. Because everything happens on your device, it is private by design and keeps working even without an internet connection once the page has loaded.