How SIP Works: Grow Wealth With Small Monthly Investments
A Systematic Investment Plan, or SIP, is one of the simplest ways ordinary people build serious wealth over time — a fixed amount invested every month into a mutual fund, quietly compounding in the background.
What is a SIP?
Instead of investing a large lump sum at once, a SIP lets you invest a small fixed amount — say ₹5,000 — automatically every month. Over years, two forces work in your favour: rupee-cost averaging (you buy more units when prices are low, fewer when high) and compounding (your returns start earning their own returns).
Why compounding is the real magic
The longer your money stays invested, the more dramatic the growth. ₹10,000 a month for 10 years at an assumed 12% annual return grows to far more than the ₹12,00,000 you actually put in — the difference is compounding doing the heavy lifting. Start five years earlier and the final figure can nearly double.
The SIP formula
Future value of a SIP is calculated as FV = P × [((1 + i)ⁿ − 1) / i] × (1 + i), where P is your monthly amount, i is the monthly rate of return, and n is the number of months. You never need to compute this by hand — that's what the calculator is for.
Try it free
Use our SIP Calculator to see how much your monthly investment could grow. Enter your monthly amount, an expected annual return, and the number of years — you'll instantly see the total invested, the estimated returns, and the projected final value.
A realistic mindset
Markets go up and down, and returns are never guaranteed — the "expected return" is an assumption, not a promise. But SIPs reward patience and consistency more than timing. The investors who do best are usually the ones who simply kept going through the ups and downs.
Pair this with our NPS and EPF calculators to plan your full retirement picture.
This article is general information, not investment advice. Mutual fund investments are subject to market risk; read all scheme documents carefully.