SIP & Investment Growth Calculator
Estimate how monthly micro-investments compound into long-term wealth over time.
Investment Plan Parameters
Accumulated portfolio value
How Does a Systematic Investment Plan (SIP) Work?
A Systematic Investment Plan (SIP) allows individuals to invest a predetermined, fixed sum of money into mutual funds or index funds at regular intervals (usually monthly). Instead of attempting to time volatile market peaks and valleys, SIP harnesses Dollar-Cost Averaging (DCA) and compound interest to accumulate substantial long-term wealth even on a modest salary.
The SIP Compound Growth Formula:
M = P × [ ( (1 + i)^n - 1 ) / i ] × (1 + i)
- M = Maturity Value (expected total corpus at the end of the investment tenure)
- P = Monthly investment amount deposited at each interval
- i = Periodic monthly rate of return (Annual expected rate / 12 / 100)
- n = Total number of monthly deposits (Tenure in Years × 12)
The Step-Up SIP: Fast-Tracking Financial Independence
While a constant monthly deposit provides disciplined growth, adopting a Step-Up SIP (increasing your monthly contribution by 5% to 10% each year as your income rises) dramatically alters your terminal net worth.
Dollar-Cost Averaging
When market prices fall, your fixed monthly allocation buys more fund units. When markets rise, you buy fewer units. Over time, your average purchase price per share is significantly lower than lump-sum market timing.
The Snowball Effect
In early years, your personal contributions represent the bulk of portfolio value. After 10 to 15 years, accumulated compound earnings overtake total invested capital and do the heavy lifting of wealth generation.
Behavioral Discipline
Automating transfers on payday removes emotion, hesitation, and speculative panic from the equation, helping you maintain consistent investing discipline throughout economic cycles.
Frequently Asked Questions About SIPs
Can I start a SIP with as little as $10 or $25 a month?
Yes. Modern low-cost brokerages and robo-advisors offer fractional share purchases and zero-minimum index funds, enabling low-income earners to build diversified equity portfolios with micro-contributions.
What happens if market conditions drop shortly after I start?
Market downturns in a SIP are actually an advantage for long-term investors. A temporary decline means your upcoming monthly deposit acquires more fund units at discounted valuations. When markets recover, those discount units compound rapidly.
What is a realistic expected rate of return?
Broad market diversified equity index funds (such as the S&P 500 or MSCI World) have historically returned roughly 9% to 11% annualized over multi-decade periods before adjusting for inflation. Conservative bond-heavy portfolios typically average 4% to 6%.