India, July 23 -- Most people who start a systematic investment plan have a rough idea of what they want - build a corpus, save regularly, grow wealth over time. What they often don't have is a clear picture of what their money will actually look like after 10 or 15 years. That gap between intention and clarity is exactly where a SIP calculator becomes useful.

It's a simple tool. But used well, it changes how you think about investing.

At its core, a SIP calculator estimates the future value of your monthly investments based on three inputs. These include the amount you invest each month, the expected rate of return, and the duration of the investment.

You put in those numbers, and the calculator shows the projected corpus at the end o...