Mutual Funds & SIPsUpdated July 2026Reviewed by Myat Finance TeamFree & Privacy-First

Compound Growth Curve Compare

Key Takeaway

Equity funds at 12% return grow ₹10 lakh to ₹96 lakh in 20 years, while FDs at 7% grow the same amount to only ₹39 lakh. The ₹57 lakh gap is entirely due to compounding differences across asset classes.

10,000
₹500₹1L₹2L
15 Years
1 Yr20 Yrs40 Yrs
Invested

18,00,000

Equity (12%)

50,45,760

Index (10%)

41,79,243

FD (6.5%)

30,51,890

Savings (3.5%)

23,69,752

Compounding Growth Curve Projections

What to do next

Based on your Compound Growth Curve Compare, here are the tools you should try next:

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The Eighth Wonder of the World

A = P(1 + r/n)^(nt)

Albert Einstein famously called compound interest the eighth wonder of the world. 'He who understands it, earns it; he who doesn't, pays it.' The magic of compounding doesn't come from the interest rate alone; it comes from *time*. It is the process of earning interest on your interest, creating an exponential growth curve that looks flat for years before violently shooting upwards.

The Cost of Waiting: Amit vs. Sneha

This is the classic story of why starting early beats everything else in investing.

Sneha gets her first job at age 25. She is disciplined and decides to invest ₹10,000 a month in a mutual fund generating 12% annually. She does this for exactly 10 years until she turns 35. She has invested a total of ₹12 Lakhs. At age 35, she stops investing completely but lets the money sit in the market until she turns 60.

Amit, her colleague, wants to enjoy his 20s. He buys the latest gadgets and travels, putting off investing until he turns 35. Realizing he needs to catch up, Amit starts investing ₹10,000 a month at age 35 and continues to do so every single month until he is 60. He invests for 25 years, putting in a massive ₹30 Lakhs out of his pocket.

At age 60, they compare their portfolios.
- **Amit (Invested ₹30 Lakhs over 25 years):** His corpus is **₹1.89 Crores**.
- **Sneha (Invested only ₹12 Lakhs over 10 years):** Her corpus is a staggering **₹3.93 Crores!**

Despite investing more than double the amount of money, Amit ends up with less than half of Sneha's wealth. Why? Because Sneha's money had 35 years to compound, whereas Amit's earliest rupee only had 25 years.

**The Rule:** The best time to plant a tree was 20 years ago. The second best time is today. Don't wait for the "perfect" time to invest; let time do the heavy lifting for you.

Why Equity Beats FDs in 20 Years: The Chart That Ends the Debate

Suresh's father swears by Fixed Deposits. "Safe, guaranteed, no tension," he says, as he has for the past 30 years. What he doesn't realise is that his FD at 7% post-tax returns has grown his ₹10 lakh investment to ₹38 lakhs over 20 years. Suresh's 20-year equity index fund investment at 13% has turned the same amount into ₹1.35 crore. The gap is ₹97 lakhs.

The difference isn't risk. It's time horizon and asset class understanding. FDs are outstanding for short-term goals (1–3 years) where capital preservation matters. Equity is outstanding for long-term goals (7+ years) where compounding has time to recover from volatility and generate real wealth.

The compound growth curve comparison tool lets you visualise this graphically. The magic happens between years 15 and 25, where the equity curve begins to curve sharply upward , the exponential phase. In the early years, the lines look similar. But patience changes everything.

One key insight: don't compare asset classes at the wrong time horizons. Criticising equity for being volatile over 3 years, or criticising FDs for low returns over 20 years , both are category errors. Right tool, right timeline.

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